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Phospho Antibodies

Phospho-specific antibodies’ typical purpose is to enable researchers to detect changes in proteins. They will exclusively bind to the amino acid sequence on a protein that has been phosphorylated (which is both a physical & chemical change) and do not bind to the same amino acid sequence on said protein if it lacks said phosphorylation. This aids in being able to clearly see and understand the data produced from this particular protein modification.


Viewing 200-250 of 266 product results


product-image-AAA31291_IHC7.jpg IHC (Immunohistochemistry) (At 1/100 staining Mouse heart tissue by IHC-P. The sample was formaldehyde fixed and a heat mediated antigen retrieval step in citrate buffer was performed. The sample was then blocked and incubated with the primary antibody at 4 degree C overnight. An HRP conjugated anti-Rabbit antibody was used as the secondary antibody.)

ID2, Polyclonal Antibody (Cat# AAA31291)

Full Name
Phospho-ID2 (Thr27) Antibody
Gene Names
ID2; GIG8; ID2A; ID2H; bHLHb26
Reactivity
Human, Mouse, Rat
Applications
Immunohistochemistry (IHC), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing
product-image-AAA29770_ICC8.jpg ICC (Immunocytochemistry) (ICC staining Phospho-Smad5 (S463/465) in HepG2 cells (green). The nuclear counter stain is DAPI (blue). Cells were fixed in paraformaldehyde, permeabilised with 0.25% Triton X100/PBS.)

SMAD5, Monoclonal Antibody (Cat# AAA29770)

Full Name
SMAD5 (Phospho-S463/465) Antibody
Gene Names
SMAD5; DWFC; JV5-1; MADH5
Reactivity
Human, Mouse, Rat, Zebrafish
Applications
Western Blot (WB), Immunocytochemistry (ICC), Immunofluorescence (IF), Immunohistochemistry (IHC), Immunoprecipitation (IP), Flow Cytometry (FC/FACS)
Purity
ProA affinity purified
Pricing
product-image-AAA31298_APP6.jpg Application Data (At 25 degree C. Samples were then incubated with primary Ab(At 37 degree C. An AlexaFluor594 conjugated goat anti-rabbit IgG(H+L) Ab(Red) and an AlexaFluor488 conjugated goat anti-mouse IgG(H+L) Ab(Green) were used as the secondary antibody.The nuclear counter stain is DAPI (blue).)

YAP, Polyclonal Antibody (Cat# AAA31298)

Full Name
Phospho-YAP (Ser941) Antibody
Gene Names
YAP1; YAP; YKI; YAP2; YAP65
Reactivity
Human, Mouse, Rat
Applications
Immunohistochemistry (IHC), Immunofluorescence (IF), Immunocytochemistry (ICC), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing
product-image-AAA17990_WB2.jpg WB (Western Blot) (Western blot analysis of extracts from 293 cells using Src (Ab-529) antibody and Src (phospho-Tyr529) antibody (AAA17990, Lane 3 and 4).)

Src, Antibody (Cat# AAA17990)

Full Name
Src (Phospho-Tyr529) Antibody
Gene Names
SRC; ASV; SRC1; THC6; c-SRC; p60-Src
Reactivity
Human, Mouse, Rat
Applications
Western Blot (WB), Immunohistochemistry (IHC)
Purity
Affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific phosphopeptide. The antibody against non-phosphopeptide was removed by chromatography using non-phosphopeptide corresponding to the phosphorylation site.
Pricing
product-image-AAA31302_APP9.jpg Application Data (At 25 degree C. Samples were then incubated with primary Ab(At 37 degree C. An AlexaFluor594 conjugated goat anti-rabbit IgG(H+L) Ab(Red) and an AlexaFluor488 conjugated goat anti-mouse IgG(H+L) Ab(Green) were used as the secondary antibody.The nuclear counter stain is DAPI (blue).)

eIF4B, Polyclonal Antibody (Cat# AAA31302)

Full Name
Phospho-eIF4B (Ser504) Antibody
Gene Names
EIF4B; EIF-4B; PRO1843
Reactivity
Human, Mouse, Rat
Applications
Western Blot (WB), Immunohistochemistry (IHC), Immunofluorescence (IF), Immunocytochemistry (ICC), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing
product-image-AAA31311_IHC13.jpg IHC (Immunohistochemistry) (At 1/100 staining Human mammary cancer and adjacent normal tissues by IHC-P. The sample was formaldehyde fixed and a heat mediated antigen retrieval step in citrate buffer was performed. The sample was then blocked and incubated with the primary antibody at 4 degree C overnight. An HRP conjugated anti-Rabbit antibody was used as the secondary antibody.)

Jak2, Polyclonal Antibody (Cat# AAA31311)

Full Name
Phospho-Jak2 (Tyr1008) Antibody
Gene Names
JAK2; JTK10; THCYT3
Reactivity
Human, Mouse, Rat
Applications
Western Blot (WB), Immunohistochemistry (IHC), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing
product-image-AAA29777_ICC6.jpg ICC (Immunocytochemistry) (ICC staining Phospho-RSK1 p90 (T359+S363) in 293 cells (green). The nuclear counter stain is DAPI (blue). Cells were fixed in paraformaldehyde, permeabilised with 0.25% Triton X100/PBS.)

RSK1, Monoclonal Antibody (Cat# AAA29777)

Full Name
RSK1 p90 (Phospho-T359+S363) Antibody
Gene Names
RPS6KA1; RSK; HU-1; RSK1; MAPKAPK1A
Reactivity
Human, Mouse, Rat
Applications
Western Blot (WB), Immunocytochemistry (ICC), Immunofluorescence (IF), Immunohistochemistry (IHC), Immunoprecipitation (IP)
Purity
ProA affinity purified
Pricing
product-image-AAA31308_APP15.jpg Application Data (At 25 degree C. Samples were then incubated with primary Ab(At 37 degree C. An AlexaFluor594 conjugated goat anti-rabbit IgG(H+L) Ab(Red) and an AlexaFluor488 conjugated goat anti-mouse IgG(H+L) Ab(Green) were used as the secondary antibody.The nuclear counter stain is DAPI (blue).)

Nucleophosmin, Polyclonal Antibody (Cat# AAA31308)

Full Name
Phospho-Nucleophosmin (Ser125) Antibody
Gene Names
NPM1; B23; NPM
Reactivity
Human, Mouse, Rat
Applications
Western Blot (WB), Immunohistochemistry (IHC), Immunofluorescence (IF), Immunocytochemistry (ICC), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing
product-image-AAA29774_FCM6.jpg FCM (Flow Cytometry) (Flow cytometric analysis of Hela cells with p-HSF1 (S326) antibody at 1/50 dilution (red) compared with an unlabelled control (cells without incubation with primary antibody; black). Alexa Fluor 488-conjugated goat anti rabbit IgG was used as the secondary)

HSF1, Monoclonal Antibody (Cat# AAA29774)

Full Name
HSF1 (Phospho-S326) Antibody
Gene Names
HSF1; HSTF1
Reactivity
Human, Rat
Applications
Western Blot (WB), Immunocytochemistry (ICC), Immunofluorescence (IF), Immunohistochemistry (IHC), Immunoprecipitation (IP), Flow Cytometry (FC/FACS)
Purity
ProA affinity purified
Pricing
product-image-AAA29773_ICC8.jpg ICC (Immunocytochemistry) (ICC staining Phospho-GSK3 beta (Ser 9) in MCF-7 cells (green). The nuclear counter stain is DAPI (blue). Cells were fixed in paraformaldehyde, permeabilised with 0.25% Triton X100/PBS.)

GSK3 beta, Monoclonal Antibody (Cat# AAA29773)

Full Name
GSK3 beta (Phospho-Ser 9) Antibody
Reactivity
Human, Mouse, Rat
Applications
Western Blot (WB), Immunocytochemistry (ICC), Immunofluorescence (IF), Immunohistochemistry (IHC), Flow Cytometry (FC/FACS)
Purity
ProA affinity purified
Pricing
product-image-AAA29778_FCM7.jpg FCM (Flow Cytometry) (Flow cytometric analysis of NIH/3T3 cells with Phospho- PAK1 (S144)+PAK2 (S141)+PAK3 (S139) antibody at 1/50 dilution (red) compared with an unlabelled control (cells without incubation with primary antibody; black). Alexa Fluor 488-conjugated goat anti rabbit IgG was used as the secondary antibody.)

PAK1, Monoclonal Antibody (Cat# AAA29778)

Full Name
PAK1 (Phospho-S144)+PAK2 (Phospho-S141)+PAK3 (Phospho-S139) Antibody
Gene Names
PAK3; bPAK; MRX30; MRX47; OPHN3; hPAK3; CDKN1A; PAK3beta
Reactivity
Human, Mouse, Rat
Applications
Western Blot (WB), Immunocytochemistry (ICC), Immunofluorescence (IF), Immunohistochemistry (IHC), Immunoprecipitation (IP), Flow Cytometry (FC/FACS)
Purity
ProA affinity purified
Pricing
product-image-AAA29784_ICC7.jpg ICC (Immunocytochemistry) (ICC staining Phospho-JunD (S255) in MCF-7 cells (green). The nuclear counter stain is DAPI (blue). Cells were fixed in paraformaldehyde, permeabilised with 0.25% Triton X100/PBS.)

JunD, Monoclonal Antibody (Cat# AAA29784)

Full Name
JunD (Phospho-S255) Antibody
Gene Names
JUND; AP-1
Reactivity
Human, Mouse, Rat
Applications
Western Blot (WB), Immunohistochemistry (IHC), Immunocytochemistry (ICC), Immunofluorescence (IF), Immunohistochemistry (IHC)
Purity
ProA affinity purified
Pricing
product-image-AAA29785_ICC7.jpg ICC (Immunocytochemistry) (ICC staining Phospho-PKC alpha (T638) in SH-SY-5Y cells (green). The nuclear counter stain is DAPI (blue). Cells were fixed in paraformaldehyde, permeabilised with 0.25% Triton X100/PBS.)

PKC alpha, Monoclonal Antibody (Cat# AAA29785)

Full Name
PKC alpha (Phospho-T638) Antibody
Gene Names
PRKCA; AAG6; PKCA; PRKACA; PKC-alpha
Reactivity
Human, Mouse, Rat
Applications
Western Blot (WB), Immunoprecipitation (IP), Immunocytochemistry (ICC), Immunofluorescence (IF), Immunohistochemistry (IHC), Flow Cytometry (FC/FACS)
Purity
ProA affinity purified
Pricing
product-image-AAA31318_APP18.jpg Application Data (At 25 degree C. Samples were then incubated with primary Ab(At 37 degree C. An AlexaFluor594 conjugated goat anti-rabbit IgG(H+L) Ab(Red) and an AlexaFluor488 conjugated goat anti-mouse IgG(H+L) Ab(Green) were used as the secondary antibody.The nuclear counter stain is DAPI (blue).)

JIP1, Polyclonal Antibody (Cat# AAA31318)

Full Name
Phospho-JIP1 (Thr103) Antibody
Gene Names
MAPK8IP1; IB1; JIP1; JIP-1; PRKM8IP
Reactivity
Human, Mouse, Rat
Applications
Immunohistochemistry (IHC), Immunofluorescence (IF), Immunocytochemistry (ICC), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing
product-image-AAA29783_ICC7.jpg ICC (Immunocytochemistry) (ICC staining phospho -TrkB (Y817) in SH-SY-5Y cells (green). The nuclear counter stain is DAPI (blue). Cells were fixed in paraformaldehyde, permeabilised with 0.25% Triton X100/PBS.)

TrkB, Monoclonal Antibody (Cat# AAA29783)

Full Name
TrkB (Phospho-Y817) Antibody
Gene Names
NTRK2; TRKB; trk-B; GP145-TrkB
Reactivity
Human, Mouse, Rat
Applications
Western Blot (WB), Immunocytochemistry (ICC), Immunofluorescence (IF), Immunohistochemistry (IHC), Immunoprecipitation (IP)
Purity
ProA affinity purified
Pricing
product-image-AAA29780_FCM8.jpg FCM (Flow Cytometry) (Flow cytometric analysis of Hela cells with Phospho-JNK1/2/3 (T183+T183+T221) antibody at 1/50 dilution (blue) compared with an unlabelled control (cells without incubation with primary antibody; red). Alexa Fluor 488-conjugated goat anti rabbit IgG was used as the secondary antibody.)

JNK1/2/3, Monoclonal Antibody (Cat# AAA29780)

Full Name
JNK1/2/3 (Phospho-T183+T183+T221) Antibody
Gene Names
MAPK8; JNK; JNK1; PRKM8; SAPK1; JNK-46; JNK1A2; SAPK1c; JNK21B1/2
Reactivity
Human, Mouse, Rat
Applications
Western Blot (WB), Immunocytochemistry (ICC), Immunofluorescence (IF), Immunohistochemistry (IHC), Immunoprecipitation (IP), Flow Cytometry (FC/FACS)
Purity
ProA affinity purified
Pricing
product-image-AAA31316_IHC6.jpg IHC (Immunohistchemistry) (At 1/100 staining Human kidney cancer and adjacent normal tissues by IHC-P. The sample was formaldehyde fixed and a heat mediated antigen retrieval step in citrate buffer was performed. The sample was then blocked and incubated with the primary antibody at 4 degree C overnight. An HRP conjugated anti-Rabbit antibody was used as the secondary antibody.)

RSK1 p90, Polyclonal Antibody (Cat# AAA31316)

Full Name
Phospho-RSK1 p90 (Thr348) Antibody
Gene Names
RPS6KA1; RSK; HU-1; RSK1; MAPKAPK1A
Reactivity
Human, Mouse, Rat
Applications
Immunohistochemistry (IHC), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing
product-image-AAA31317_APP10.jpg Application Data (At 25 degree C. Samples were then incubated with primary Ab(At 37 degree C. An AlexaFluor594 conjugated goat anti-rabbit IgG(H+L) Ab(Red) and an AlexaFluor488 conjugated goat anti-mouse IgG(H+L) Ab(Green) were used as the secondary antibody.The nuclear counter stain is DAPI (blue).)

JIP1, Polyclonal Antibody (Cat# AAA31317)

Full Name
Phospho-JIP1 (Thr205) Antibody
Gene Names
MAPK8IP1; IB1; JIP1; JIP-1; PRKM8IP
Reactivity
Human, Mouse, Rat
Applications
Western Blot (WB), Immunohistochemistry (IHC), Immunofluorescence (IF), Immunocytochemistry (ICC), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing
product-image-AAA29788_ICC6.jpg ICC (Immunocytochemistry) (ICC staining Phospho-alpha Synuclein (S129) in SH-SY-5Y cells (green). The nuclear counter stain is DAPI (blue). Cells were fixed in paraformaldehyde, permeabilised with 0.25% Triton X100/PBS.)

alpha Synuclein, Monoclonal Antibody (Cat# AAA29788)

Full Name
alpha Synuclein (Phospho-S129) Antibody
Gene Names
SNCA; PD1; NACP; PARK1; PARK4
Reactivity
Human, Mouse, Rat
Applications
Western Blot (WB), Immunocytochemistry (ICC), Immunofluorescence (IF),Immunohistochemistry (IHC), Flow Cytometry (FC/FACS)
Purity
ProA affinity purified
Pricing
product-image-AAA29787_FCM9.jpg FCM (Flow Cytometry) (Flow cytometric analysis of Hela cells with Phospho-POLR2A (S5) antibody at 1/50 dilution (red) compared with an unlabelled control (cells without incubation with primary antibody; black). Alexa Fluor 488-conjugated goat anti rabbit IgG was used as the secondary antibody.)

POLR2A, Monoclonal Antibody (Cat# AAA29787)

Full Name
POLR2A (Phospho-S5) Antibody
Gene Names
POLR2A; RPB1; RPO2; POLR2; POLRA; RPBh1; RPOL2; RpIILS; hsRPB1; hRPB220
Reactivity
Human, Mouse, Rat
Applications
Western Blot (WB), Immunoprecipitation (IP), Immunocytochemistry (ICC), Immunofluorescence (IF), Immunohistochemistry (IHC), Flow Cytometry (FC/FACS)
Purity
ProA affinity purified
Pricing
product-image-AAA31326_IHC8.jpg IHC (Immunohistochemistry) (At 1/100 staining Mouse brain tissue by IHC-P. The sample was formaldehyde fixed and a heat mediated antigen retrieval step in citrate buffer was performed. The sample was then blocked and incubated with the primary antibody at 4 degree C overnight. An HRP conjugated anti-Rabbit antibody was used as the secondary antibody.)

HBP1, Polyclonal Antibody (Cat# AAA31326)

Full Name
Phospho-HBP1 (Ser402) Antibody
Reactivity
Human, Mouse, Rat
Applications
Western Blot (WB), Immunohistochemistry (IHC), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing
product-image-AAA31328_APP6.jpg Application Data (At 25 degree C. Samples were then incubated with primary Ab(At 37 degree C. An AlexaFluor594 conjugated goat anti-rabbit IgG(H+L) Ab(Red) and an AlexaFluor488 conjugated goat anti-mouse IgG(H+L) Ab(Green) were used as the secondary antibody.The nuclear counter stain is DAPI (blue).)

MCM2, Polyclonal Antibody (Cat# AAA31328)

Full Name
Phospho-MCM2 (Ser108) Antibody
Gene Names
MCM2; BM28; CCNL1; CDCL1; cdc19; D3S3194; MITOTIN
Reactivity
Human, Mouse, Rat
Applications
Western Blot (WB), Immunohistochemistry (IHC), Immunofluorescence (IF), Immunocytochemistry (ICC), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing
product-image-AAA29789_FCM7.jpg FCM (Flow Cytometry) (Flow cytometric analysis of HUVEC cells with Phospho-Creb (S133) antibody at 1/100 dilution (red) compared with an unlabelled control (cells without incubation with primary antibody; black). Alexa Fluor 488-conjugated goat anti rabbit IgG was used as the secondary antibody.)

CREB, Monoclonal Antibody (Cat# AAA29789)

Full Name
CREB (Phospho-S133) Antibody
Gene Names
CREB1; CREB
Reactivity
Human, Mouse, Rat
Applications
Western Blot (WB), Immunocytochemistry (ICC), Immunofluorescence (IF),Immunohistochemistry (IHC), Immunoprecipitation (IP), Flow Cytometry (FC/FACS)
Purity
ProA affinity purified
Pricing
product-image-AAA31325_IHC9.jpg IHC (Immunohistchemistry) (At 1/100 staining Human colorectal cancer and adjacent normal tissues by IHC-P. The sample was formaldehyde fixed and a heat mediated antigen retrieval step in citrate buffer was performed. The sample was then blocked and incubated with the primary antibody at 4 degree C overnight. An HRP conjugated anti-Rabbit antibody was used as the secondary antibody.)

Hsp90 alpha, Polyclonal Antibody (Cat# AAA31325)

Full Name
Phospho-Hsp90 alpha (Thr5/Thr7) Antibody
Gene Names
HSP90AA1; EL52; HSPN; LAP2; HSP86; HSPC1; HSPCA; Hsp89; Hsp90; HSP89A; HSP90A; HSP90N; HSPCAL1; HSPCAL4
Reactivity
Human, Mouse, Rat
Applications
Immunohistochemistry (IHC), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing
product-image-AAA31333_IHC20.jpg IHC (Immunohistochemistry) (At 1/100 staining Mouse kidney tissue by IHC-P. The sample was formaldehyde fixed and a heat mediated antigen retrieval step in citrate buffer was performed. The sample was then blocked and incubated with the primary antibody at 4 degree C overnight. An HRP conjugated anti-Rabbit antibody was used as the secondary antibody.)

p38 MAPK, Polyclonal Antibody (Cat# AAA31333)

Full Name
Phospho-p38 MAPK (Thr180/Tyr182) Antibody
Gene Names
MAPK14; RK; p38; CSBP; EXIP; Mxi2; CSBP1; CSBP2; CSPB1; PRKM14; PRKM15; SAPK2A; p38ALPHA
Reactivity
Human, Mouse, Rat
Predicted Reactivity: Pig (100%), Bovine (100%), Horse (100%), Sheep (100%), Rabbit (100%), Dog (100%), Xenopus (91%)
Applications
Western Blot (WB), Immunohistochemistry (IHC), Immunofluorescence (IF), Immunocytochemistry (ICC), Immunoprecipitation (IP), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing
product-image-AAA31360_APP6.jpg Application Data (At 25 degree C. Samples were then incubated with primary Ab(At 37 degree C. An AlexaFluor594 conjugated goat anti-rabbit IgG(H+L) Ab(Red) and an AlexaFluor488 conjugated goat anti-mouse IgG(H+L) Ab(Green) were used as the secondary antibody.The nuclear counter stain is DAPI(blue).)

Bcl-2, Polyclonal Antibody (Cat# AAA31360)

Full Name
Phospho-Bcl-2 (Thr56) Antibody
Gene Names
BCL2; Bcl-2; PPP1R50
Reactivity
Human, Mouse, Rat
Predicted Reactivity: Pig (86%), Bovine (83%)
Applications
Western Blot (WB), Immunohistochemistry (IHC), Immunofluorescence (IF), Immunocytochemistry (ICC), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing
product-image-AAA27779_WB6.png WB (Western Blot) (Western blot analysis of extracts from serum-starved NIH-3T3, untreated (line A); treated with PDGFA (5 ug/mL, 5 min), without peptide (line B) or antigen-specific phosphopeptide (line C) or antigen-specific peptide (line D) using Phospho-AKT (Ser473) rabbit monoclonal Antibody (#AAA27779) at 1:2000 dilution.)

AKT, Monoclonal Recombinant Antibody (Cat# AAA27779)

Full Name
Recombinant Phospho-AKT (Ser473) Antibody, Rabbit Monoclonal
Reactivity
Human, Mouse
Applications
Western Blot (WB), Immunohistochemistry-Paraffin (IHC-P)
Purity
Protein A
Pricing
product-image-AAA27785_WB7.png WB (Western Blot) (Western blot analysis of extracts from serum-starved Hela treated with TPA (100 nM, 15 min), using Phospho-CREB (Ser133) rabbit monoclonal Antibody (#AAA27785) at 1:10000, 1:100000, 1:500000 dilution.(Validation Experiment))

CREB, Monoclonal Recombinant Antibody (Cat# AAA27785)

Full Name
Phospho-CREB (Ser133) Antibody, Rabbit MAb
Reactivity
Human
Applications
Western Blot (WB)(FAQ Protocol), Immunohistochemistry-Paraffin (IHC-P)(FAQ Protocol)
Purity
Protein A
Pricing
product-image-AAA31386_APP6.jpg Application Data (At 25 degree C. Samples were then incubated with primary Ab(At 37 degree C. An AlexaFluor594 conjugated goat anti-rabbit IgG(H+L) Ab(Red) and an AlexaFluor488 conjugated goat anti-mouse IgG(H+L) Ab(Green) were used as the secondary antibody.The nuclear counter stain is DAPI(blue).)

MAX, Polyclonal Antibody (Cat# AAA31386)

Full Name
Phospho-MAX (Ser11) Antibody
Gene Names
MAX; bHLHd4
Reactivity
Human, Mouse, Rat
Predicted Reactivity: Pig (100%), Zebrafish (83%), Bovine (100%), Horse (100%), Rabbit (100%), Dog (100%), Chicken (100%), Xenopus (100%)
Applications
Western Blot (WB), Immunohistochemistry (IHC), Immunofluorescence (IF), Immunocytochemistry (ICC), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing
product-image-AAA14231_APP.jpg Application Data

Interferon-a Receptor, Type I, Subunit I (Ser535,539), Polyclonal Antibody (Cat# AAA14231)

Full Name
Anti-Phospho-Ser535,539 Interferon-alpha Receptor, Type I, Subunit I
Gene Names
IFNAR1; AVP; IFRC; IFNAR; IFNBR; IFN-alpha-REC
Reactivity
Rat
Applications
Western Blot (WB), Immunohistochemistry (IHC)
Purity
Affinity Purified (Prepared from rabbit serum by affinity purification via sequential chromatography on phospho- and dephosphopeptide affinity columns.)
Pricing
product-image-AAA31384_APP6.jpg Application Data (At 25 degree C. The primary antibody was diluted at 1/200 and incubated with the sample for 1 hour at 37 degree C. An Alexa Fluor 594 conjugated goat anti-rabbit IgG (H+L) antibody(Red), diluted at 1/600, was used as secondary antibody.)

HSL, Polyclonal Antibody (Cat# AAA31384)

Full Name
Phospho-HSL (Ser660) Antibody
Gene Names
LIPE; HSL; LHS
Reactivity
Human, Mouse, Rat
Predicted Reactivity: Pig (100%), Bovine (88%), Horse (89%), Dog (100%)
Applications
Western Blot (WB), Immunohistochemistry (IHC), Immunofluorescence (IF), Immunocytochemistry (ICC), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing
product-image-AAA31396_APP6.jpg Application Data (At 25 degree C. Samples were then incubated with primary Ab(At 37 degree C. An AlexaFluor594 conjugated goat anti-rabbit IgG(H+L) Ab(Red) and an AlexaFluor488 conjugated goat anti-mouse IgG(H+L) Ab(Green) were used as the secondary antibody.The nuclear counter stain is DAPI(blue).)

KIF1C, Polyclonal Antibody (Cat# AAA31396)

Full Name
Phospho-KIF1C (Ser1092) Antibody
Gene Names
KIF1C; SAX2; LTXS1; SATX2; SPAX2; SPG58
Reactivity
Human, Mouse, Rat
Predicted Reactivity: Pig (100%), Bovine (100%), Horse (100%), Sheep (100%), Rabbit (100%), Dog (100%)
Applications
Western Blot (WB), Immunohistochemistry (IHC), Immunofluorescence (IF), Immunocytochemistry (ICC), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing
product-image-AAA31392_APP6.jpg Application Data (At 25 degree C. Samples were then incubated with primary Ab(At 37 degree C. An AlexaFluor594 conjugated goat anti-rabbit IgG(H+L) Ab(Red) and an AlexaFluor488 conjugated goat anti-mouse IgG(H+L) Ab(Green) were used as the secondary antibody.The nuclear counter stain is DAPI(blue).)

MARK2, Polyclonal Antibody (Cat# AAA31392)

Full Name
Phospho-MARK2 (Thr596) Antibody
Gene Names
MARK2; EMK1; EMK-1; PAR-1; Par1b; Par-1b
Reactivity
Human, Mouse, Rat
Predicted Reactivity: Pig (100%), Bovine (100%), Horse (100%), Sheep (100%), Rabbit (100%), Dog (100%), Xenopus (100%)
Applications
Western Blot (WB), Immunohistochemistry (IHC), Immunofluorescence (IF), Immunocytochemistry (ICC), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing
product-image-AAA31393_IHC9.jpg IHC (Immunohistchemistry) (At 1/200 staining Human breast tissue sections by IHC-P. The tissue was formaldehyde fixed and a heat mediated antigen retrieval step in citrate buffer was performed. The tissue was then blocked and incubated with the antibody for 1.5 hours at 22 degree C. An HRP conjugated goat anti-rabbit antibody was used as the secondary antibody.)

KAT3B/p300, Polyclonal Antibody (Cat# AAA31393)

Full Name
Phospho-KAT3B/p300 (Ser1834) Antibody
Gene Names
EP300; p300; KAT3B; RSTS2
Reactivity
Human, Mouse, Rat
Predicted Reactivity: Pig (100%), Bovine (100%), Horse (100%), Sheep (100%), Rabbit (100%), Chicken (100%), Xenopus (100%)
Applications
Western Blot (WB), Immunohistochemistry (IHC), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing
product-image-AAA31397_IHC8.jpg IHC (Immunohistochemistry) (At 1/200 staining Human lung cancer tissue sections by IHC-P. The tissue was formaldehyde fixed and a heat mediated antigen retrieval step in citrate buffer was performed. The tissue was then blocked and incubated with the antibody for 1.5 hours at 22 degree C. An HRP conjugated goat anti-rabbit antibody was used as the secondary antibody.)

Caveolin 2, Polyclonal Antibody (Cat# AAA31397)

Full Name
Phospho-Caveolin 2 (Ser36) Antibody
Gene Names
CAV2; CAV
Reactivity
Human, Mouse, Rat
Applications
Western Blot (WB), Immunohistochemistry (IHC), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing
product-image-AAA31406_APP6.jpg Application Data (At 25 degree C. The primary antibody was diluted at 1/200 and incubated with the sample for 1 hour at 37 degree C. An Alexa Fluor 594 conjugated goat anti-rabbit IgG (H+L) Ab, diluted at 1/600, was used as the secondary antibody.)

Mnk1, Polyclonal Antibody (Cat# AAA31406)

Full Name
Phospho-Mnk1 (Thr250) Antibody
Gene Names
MKNK1; MNK1
Reactivity
Human, Mouse, Rat
Predicted Reactivity: Pig (100%), Zebrafish (100%), Bovine (100%), Horse (100%), Sheep (100%), Rabbit (100%), Dog (100%), Chicken (100%), Xenopus (100%)
Applications
Western Blot (WB), Immunohistochemistry (IHC), Immunofluorescence (IF), Immunocytochemistry (ICC), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing
product-image-AAA31398_APP6.jpg Application Data (At 25 degree C. The primary antibody was diluted at 1/200 and incubated with the sample for 1 hour at 37 degree C. An Alexa Fluor 594 conjugated goat anti-rabbit IgG (H+L) Ab, diluted at 1/600, was used as the secondary antibody.)

CHK2, Polyclonal Antibody (Cat# AAA31398)

Full Name
Phospho-CHK2 (Ser33+Ser35) Antibody
Gene Names
CHEK2; CDS1; CHK2; LFS2; RAD53; hCds1; HuCds1; PP1425
Reactivity
Human, Mouse, Rat
Predicted Reactivity: Bovine (82%)
Applications
Western Blot (WB), Immunohistochemistry (IHC), Immunofluorescence (IF), Immunocytochemistry (ICC), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing
product-image-AAA31413_APP9.jpg Application Data (At 25 degree C. The primary antibody was diluted at 1/200 and incubated with the sample for 1 hour at 37 degree C. An Alexa Fluor 594 conjugated goat anti-rabbit IgG (H+L) Ab, diluted at 1/600, was used as the secondary antibody.)

LAT, Polyclonal Antibody (Cat# AAA31413)

Full Name
Phospho-LAT (Tyr161) Antibody
Gene Names
LAT; LAT1; pp36
Reactivity
Human, Mouse, Rat
Predicted Reactivity: Pig (91%), Zebrafish (83%), Bovine (100%), Horse (91%), Sheep (100%), Rabbit (80%), Dog (82%)
Applications
Western Blot (WB), Immunohistochemistry (IHC), Immunofluorescence (IF), Immunocytochemistry (ICC), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing
product-image-AAA31408_APP6.jpg Application Data (At 25 degree C. The primary antibody was diluted at 1/200 and incubated with the sample for 1 hour at 37 degree C. An Alexa Fluor 594 conjugated goat anti-rabbit IgG (H+L) Ab, diluted at 1/600, was used as the secondary antibody.)

p70 S6 Kinase, Polyclonal Antibody (Cat# AAA31408)

Full Name
Phospho-p70 S6 Kinase (Ser427) Antibody
Gene Names
RPS6KB1; S6K; PS6K; S6K1; STK14A; p70-S6K; p70 S6KA; p70-alpha; S6K-beta-1; p70(S6K)-alpha
Reactivity
Human, Mouse, Rat
Predicted Reactivity: Pig (100%), Bovine (100%), Horse (100%), Sheep (100%), Rabbit (100%), Dog (100%), Chicken (100%), Xenopus (100%)
Applications
Western Blot (WB), Immunohistochemistry (IHC), Immunofluorescence (IF), Immunocytochemistry (ICC), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing
product-image-AAA31154_WB6.jpg WB (Western Blot) (Western blot analysis of Phospho-MEK1 (Thr386) in lysates of NIH-3T3 , using Phospho-MEK1 (Thr386) Antibody.)

MEK1, Polyclonal Antibody (Cat# AAA31154)

Full Name
Phospho-MEK1 (Thr386) Antibody
Gene Names
MAP2K1; CFC3; MEK1; MKK1; MAPKK1; PRKMK1
Reactivity
Human, Mouse, Rat
Predicted: Pig, Bovine, Horse, Sheep, Rabbit, Dog, Chicken, Xenopus
Applications
Western Blot (WB), Immunohistochemistry (IHC), Peptide ELISA (EIA)
Purity
Purified rabbit serum by affinity purification via sequential chromatography on phospho- and non-phospho-peptide affinity columns.
Pricing
product-image-AAA31159_WB7.jpg WB (Western Blot) (Western blot analysis of Phospho-PKN2 (Ser815) in lysates of HeLa , using Phospho-PAK2 (Ser815) Antibody.)

PKN2, Polyclonal Antibody (Cat# AAA31159)

Full Name
Phospho-PKN2 (Ser815) Antibody
Gene Names
PKN2; PAK2; PRK2; STK7; Pak-2; PRKCL2; PRO2042
Reactivity
Human, Mouse, Rat
Predicted: Pig, Zebrafish, Bovine, Horse, Sheep, Rabbit, Dog, Xenopus
Applications
Western Blot (WB), Immunohistochemistry (IHC), Peptide ELISA (EIA)
Purity
Purified rabbit serum by affinity purification via sequential chromatography on phospho- and non-phospho-peptide affinity columns.
Pricing
product-image-AAA31153_WB6.jpg WB (Western Blot) (Western blot analysis of Phospho-AML1 (Ser397) in lysates of Jurkat, using Phospho-AML1 (Ser397) Antibody.)

AML1, Polyclonal Antibody (Cat# AAA31153)

Full Name
Phospho-AML1 (Ser397) Antibody
Gene Names
RUNX1; AML1; CBFA2; EVI-1; AMLCR1; PEBP2aB; CBF2alpha; AML1-EVI-1; PEBP2alpha
Reactivity
Human, Mouse, Rat
Predicted: Pig, Zebrafish, Bovine, Horse, Rabbit, Dog, Chicken, Xenopus
Applications
Western Blot (WB), Immunohistochemistry (IHC), Peptide ELISA (EIA)
Purity
Purified rabbit serum by affinity purification via sequential chromatography on phospho- and non-phospho-peptide affinity columns.
Pricing
product-image-AAA31416_IHC16.jpg IHC (Immunohistochemistry) (At 1/200 staining Human lung cancer tissue sections by IHC-P. The tissue was formaldehyde fixed and a heat mediated antigen retrieval step in citrate buffer was performed. The tissue was then blocked and incubated with the antibody for 1.5 hours at 22 degree C. An HRP conjugated goat anti-rabbit antibody was used as the secondary antibody.)

ERK1/2, Polyclonal Antibody (Cat# AAA31416)

Full Name
Phospho-ERK1/2 (Thr202+Tyr204/Thr185+Tyr187) Antibody
Gene Names
MAPK3; ERK1; ERT2; ERK-1; PRKM3; P44ERK1; P44MAPK; HS44KDAP; HUMKER1A; p44-ERK1; p44-MAPK
Reactivity
Human, Mouse, Rat, Monkey
Predicted Reactivity: Pig (100%), Zebrafish (100%), Bovine (100%), Horse (100%), Sheep (100%), Rabbit (100%)
Applications
Western Blot (WB), Immunohistochemistry (IHC), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing
product-image-AAA28616_ICC8.jpg ICC (Immunocytochemistry) (Confocal imaging of paraffin-embedded Rat brain tissue using Phospho-JNK1-T183/Y185 + JNK2-T183/Y185 + JNK3-T221/Y223 Rabbit mAb (AAA28616, dilution 1:200) followed by a further incubation with Cy3 Goat Anti-Rabbit IgG (H+L) (AS007, dilution 1:500) (Red). DAPI was used for nuclear staining (Blue). Microwave antigen retrieval performed with 0.01M Citrate Buffer (pH 6.0) prior to IF staining. Objective: 40x.)

JNK1-T183/Y185 + JNK2-T183/Y185 + JNK3-T221/Y223, Monoclonal Antibody (Cat# AAA28616)

Full Name
Phospho-JNK1-T183/Y185 + JNK2-T183/Y185 + JNK3-T221/Y223 Rabbit mAb
Reactivity
Human
Applications
Western Blot (WB), Immunohistochemistry-Paraffin (IHC-P), Immunofluorescence (IF), Immunocytochemistry (ICC), ELISA (EIA)
Purity
Affinity purification
Pricing
product-image-AAA31425_APP7.jpg Application Data (At 25 degree C. The primary antibody was diluted at 1/200 and incubated with the sample for 1 hour at 37 degree C. An Alexa Fluor 594 conjugated goat anti-rabbit IgG (H+L) Ab, diluted at 1/600, was used as the secondary antibody.)

LIMK1, Polyclonal Antibody (Cat# AAA31425)

Full Name
Phospho-LIMK1 (Ser310) Antibody
Gene Names
LIMK1; LIMK; LIMK-1
Reactivity
Human, Mouse, Rat
Predicted Reactivity: Pig (100%), Bovine (100%), Horse (100%), Sheep (100%), Rabbit (100%), Dog (88%), Chicken (100%)
Applications
Western Blot (WB), Immunohistochemistry (IHC), Immunofluorescence (IF), Immunocytochemistry (ICC), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing
product-image-AAA28612_IF13.jpg IF (Immunofluorescence) (Immunofluorescence analysis of PC-12 cells using Phospho-POLR2A CTD-S2 Rabbit mAb (AAA28612) at dilution of 1:100 (40x lens). Secondary antibody: Cy3-conjugated Goat anti-Rabbit IgG (H+L) (AS007) at 1:500 dilution. Blue: DAPI for nuclear staining.)

POLR2A CTD-S2, Monoclonal Antibody (Cat# AAA28612)

Full Name
Phospho-POLR2A CTD-S2 Rabbit mAb
Reactivity
Human
Applications
Western Blot (WB), Immunohistochemistry-Paraffin (IHC-P), Immunofluorescence (IF), Immunocytochemistry (ICC), ELISA (EIA), Chromatin Immunoprecipitation (ChIP), Chromatin Immunoprecipitation (ChIP)-seq, CUT&Tag
Purity
Affinity purification
Pricing
product-image-AAA31428_APP18.jpg Application Data (At 25 degree C. Samples were then incubated with primary Ab(At 37 degree C. An AlexaFluor594 conjugated goat anti-rabbit IgG(H+L) Ab(Red) and an AlexaFluor488 conjugated goat anti-mouse IgG(H+L) Ab(Green) were used as the secondary antibody.The nuclear counter stain is DAPI (blue).)

NFAT2, Polyclonal Antibody (Cat# AAA31428)

Full Name
Phospho-NFAT2 (Ser172) Antibody
Gene Names
NFATC1; NFAT2; NFATc; NF-ATC
Reactivity
Human, Mouse, Rat
Applications
Western Blot (WB), Immunohistochemistry (IHC), Immunofluorescence (IF), Immunocytochemistry (ICC), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing
product-image-AAA31426_IHC15.jpg IHC (Immunohistochemistry) (At 1/100 staining Human colorectal cancer by IHC-P. The sample was formaldehyde fixed and a heat mediated antigen retrieval step in citrate buffer was performed. The sample was then blocked and incubated with the primary antibody at 4 degree C overnight. An HRP conjugated anti-Rabbit antibody was used as the secondary antibody.)

CD227/MUC1, Polyclonal Antibody (Cat# AAA31426)

Full Name
Phospho-CD227/MUC1 (Ser1227) Antibody
Gene Names
MUC1; EMA; PEM; PUM; KL-6; MAM6; PEMT; CD227; H23AG; MUC-1; CA 15-3; MUC-1/X; MUC1/ZD; MUC-1/SEC
Reactivity
Human, Mouse, Rat
Applications
Western Blot (WB), Immunohistochemistry (IHC), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing
product-image-AAA31424_IHC6.jpg IHC (Immunohistchemistry) (At 1/200 staining Human lung cancer tissue sections by IHC-P. The tissue was formaldehyde fixed and a heat mediated antigen retrieval step in citrate buffer was performed. The tissue was then blocked and incubated with the antibody for 1.5 hours at 22 degree C. An HRP conjugated goat anti-rabbit antibody was used as the secondary antibody.)

CUTL1, Polyclonal Antibody (Cat# AAA31424)

Full Name
Phospho-CUTL1 (Ser1237) Antibody
Gene Names
CUX1; CDP; CUX; p75; CASP; CDP1; COY1; Clox; p100; p110; p200; CUTL1; GOLIM6; CDP/Cut; Cux/CDP; Nbla10317
Reactivity
Human, Mouse, Rat
Predicted Reactivity: Pig (100%), Sheep (100%), Dog (100%), Xenopus (100%)
Applications
Western Blot (WB), Immunohistochemistry (IHC), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing
product-image-AAA31438_APP6.jpg Application Data (At 25 degree C. Samples were then incubated with primary Ab(At 37 degree C. An AlexaFluor594 conjugated goat anti-rabbit IgG(H+L) Ab(Red) and an AlexaFluor488 conjugated goat anti-mouse IgG(H+L) Ab(Green) were used as the secondary antibody.The nuclear counter stain is DAPI(blue).)

USP28, Polyclonal Antibody (Cat# AAA31438)

Full Name
Phospho-USP28 (Ser714) Antibody
Reactivity
Human, Mouse, Monkey
Applications
Western Blot (WB), Immunohistochemistry (IHC), Immunofluorescence (IF), Immunocytochemistry (ICC), Peptide ELISA (EIA)
Purity
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
Pricing

What Are Phospho Antibodies?


Protein phosphorylation is a process where a phosphate group is added to certain amino acid residues of a protein – usually serine (S), threonine (T), or tyrosine (Y) - by enzymes called kinases. This process is integral in controlling cellular signaling, cellular growth, and other biological functions.


Our catalog includes a wide range of phospho-specific antibodies that can accurately detect this important marker. They perform strongly in widely-used laboratory applications such as Western blot, flow cytometry, immunohistochemistry, and immunofluorescence microscopy. We value your trust in us and are committed to providing top-quality products and services. All of our antibodies are guaranteed to work for the applications and species indicated on our website & associated product pages.


What Are The Key Applications of Phospho Antibodies?


1. Western Blotting


One of the first steps a researcher can take in utilizing these phospho-specific antibodies, is to check if the antibody works using a technique referred to as “Western blot”. For those unfamiliar, Western Blot aids in showing whether the protein that the antibody recognizes is appearing at the correct/expected size. These phospho-specific antibodies should also be able to detect changes in the target protein’s phosphorylation (on/off state) when cells are stimulated in certain ways.


2. Staining of Fixed Cells (Immunocytochemistry)


Another routine use of these phospho-specific antibodies, is to test if the antibody is able to demonstrate similar performance when used on fixed cells (intact cells that have been preserved) as it did in the Western blot tests. It is an important aspect in many cases to confirm that the antibody works in actual intact cell samples. Ideally, the method used for cellular fixation should be the same as what is used in pathology labs (like using 10% formalin). To check if the antibody works well in tissue sections (FFPE), researchers will often test it on fixed cells that are processed similar to tissue samples.


3. Specificity Tests Using Peptides


In order to make sure that the antibody is only binding to the right target:


  • Laboratory technicians will mix the antibody with phospho-peptides (short segments of the protein containing the phosphate group modification).

  • If the antibody signal disappears, it is confirmation that it is binding to the correct phosphorylated location.

  • A more robust test is to use both the phosphorylated and non-phosphorylated (dephosphorylated) versions of the protein. The antibody should react only with the phosphorylated one.

  • Another method sometimes utilized is to treat the sample with an enzyme, such as alkaline phosphatase, that specifically removes phosphate groups. If the antibody signal disappears after this, it also confirms specificity.


4. Genetic Confirmation


As a final step, scientists can genetically manipulate the nucleotide sequence and alter the target protein by removing the exact site where phosphorylation happens. If the antibody no longer appears to detect the modified protein, it is strong evidence supporting the antibody being specific for that phosphorylated site.


Why Buy Phospho Antibodies Through Us?


  • The production laboratory adheres to strict and consistent protocols prior to releasing any of these phospho-specific antibodies:

  • Standard methods and proper controls in all tests to ensure high quality.

  • These antibodies are tested and validated in different cell types and species.

  • High quality control criterion to ensure each batch is consistent, so you will obtain reliable results every time.


FAQ


1. What Are Phospho-Specific Antibodies?


Phospho-specific antibodies are made to detect proteins only when they have a phosphate group linked to a specific amino acid residue. This empowers scientists understand if a protein is "turned on" or active, based on its phosphorylation state.


2. How to Detect Phosphorylated Proteins in a Western Blot?


To find out if a protein is phosphorylated using Western blot:


  • Use a phospho-specific antibody that binds only to the phosphorylated form of the protein.

  • You can also use a “regular” antibody for the same amino acid sequence of the protein that the phospho-specific antibody is binding to (but in this case, this antibody will not bind if there is a phosphate group present) in order to compare how much of it is phosphorylated versus how much is non-phosphorylated (or “total” protein, if the “normal” antibody’s epitopes are non-phospho-site-specific).


3. How to Choose the Best Antibody?


Here are some simple tips to help you pick the right antibody:


  • Know your target

  • Match your sample characteristics

  • Confirm the intended use is appropriate

  • Check “host” and “type”

  • Check the “quality” of the presented data/images

  • Appraise whether the available validation meets your needs


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