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product-image-AAA126392_FCM11.png FCM/FACS (Flow Cytometry) (Figure 3. Flow Cytometry analysis of A431 cells using anti-DDX21 antibody (AAA126392).Overlay histogram showing A431 cells stained with AAA126392 (Blue line). The cells were blocked with 10% normal goat serum. And then incubated with rabbit anti-DDX21 Antibody (AAA126392, 1 ug/1x10^6 cells) for 30 min at 20 degree C. DyLight488 conjugated goat anti-rabbit IgG was used as secondary antibody for 30 minutes at 20 degree C. Isotype control antibody (Green line) was rabbit IgG (1 ug/1x10^6) used under the same conditions. Unlabelled sample (Red line) was also used as a control.)

Rabbit anti-Human DDX21 Polyclonal Antibody | anti-DDX21 antibody

Anti-DDX21 Antibody Picoband

Gene Names
DDX21; GUA; GURDB; RH-II/GU; RH-II/GuA
Reactivity
Human
Applications
ELISA, Flow Cytometry, Functional Assay, Immunofluorescence, Immunocytochemistry, Western Blot
Purity
Immunogen affinity purified.
Synonyms
DDX21, Antibody; Anti-DDX21 Antibody Picoband; anti-DDX21 antibody
Ordering
Host
Rabbit
Reactivity
Human
Clonality
Polyclonal
Isotype
Rabbit IgG
Purity/Purification
Immunogen affinity purified.
Form/Format
Lyophilized
Each vial contains 4 mg Trehalose, 0.9 mg NaCl, 0.2 mg Na2HPO4.
Concentration
Adding 0.2 ml of distilled water will yield a concentration of 500 ug/ml. (varies by lot)
Applicable Applications for anti-DDX21 antibody
ELISA, FCM/FACS (Flow Cytometry), IF (Immunofluorescence), ICC (Immunocytochemistry), WB (Western Blot)
Reconstitution
Adding 0.2 ml of distilled water will yield a concentration of 500 ug/ml.
Immunogen
E Coli-derived human DDX21 recombinant protein (Position: E395-Q660).
Preparation and Storage
Store at -20 degree C for one year from date of receipt. After reconstitution, at 4 degree C for one month. It can also be aliquotted and stored frozen at -20 degree C for six months. Avoid repeated freezing and thawing.

FCM/FACS (Flow Cytometry)

(Figure 3. Flow Cytometry analysis of A431 cells using anti-DDX21 antibody (AAA126392).Overlay histogram showing A431 cells stained with AAA126392 (Blue line). The cells were blocked with 10% normal goat serum. And then incubated with rabbit anti-DDX21 Antibody (AAA126392, 1 ug/1x10^6 cells) for 30 min at 20 degree C. DyLight488 conjugated goat anti-rabbit IgG was used as secondary antibody for 30 minutes at 20 degree C. Isotype control antibody (Green line) was rabbit IgG (1 ug/1x10^6) used under the same conditions. Unlabelled sample (Red line) was also used as a control.)

product-image-AAA126392_FCM11.png FCM/FACS (Flow Cytometry) (Figure 3. Flow Cytometry analysis of A431 cells using anti-DDX21 antibody (AAA126392).Overlay histogram showing A431 cells stained with AAA126392 (Blue line). The cells were blocked with 10% normal goat serum. And then incubated with rabbit anti-DDX21 Antibody (AAA126392, 1 ug/1x10^6 cells) for 30 min at 20 degree C. DyLight488 conjugated goat anti-rabbit IgG was used as secondary antibody for 30 minutes at 20 degree C. Isotype control antibody (Green line) was rabbit IgG (1 ug/1x10^6) used under the same conditions. Unlabelled sample (Red line) was also used as a control.)

IF (Immunofluorescence)

(Figure 2. IF analysis of DDX21 using anti-DDX21 antibody (AAA126392).DDX21 was detected in an immunocytochemical section of Caco-2 cells. Enzyme antigen retrieval was performed using IHC enzyme antigen retrieval reagent (AR0022) for 15 mins. The cells were blocked with 10% goat serum. And then incubated with 5 ug/mL rabbit anti-DDX21 Antibody (AAA126392) overnight at 4 degree C. DyLight488 Conjugated Goat Anti-Rabbit IgG was used as secondary antibody at 1:100 dilution and incubated for 30 minutes at 37 degree C. The section was counterstained with DAPI. Visualize using a fluorescence microscope and filter sets appropriate for the label used.)

product-image-AAA126392_IF13.jpg IF (Immunofluorescence) (Figure 2. IF analysis of DDX21 using anti-DDX21 antibody (AAA126392).DDX21 was detected in an immunocytochemical section of Caco-2 cells. Enzyme antigen retrieval was performed using IHC enzyme antigen retrieval reagent (AR0022) for 15 mins. The cells were blocked with 10% goat serum. And then incubated with 5 ug/mL rabbit anti-DDX21 Antibody (AAA126392) overnight at 4 degree C. DyLight488 Conjugated Goat Anti-Rabbit IgG was used as secondary antibody at 1:100 dilution and incubated for 30 minutes at 37 degree C. The section was counterstained with DAPI. Visualize using a fluorescence microscope and filter sets appropriate for the label used.)

WB (Western Blot)

(Figure 1. Western blot analysis of DDX21 using anti-DDX21 antibody (AAA126392).Electrophoresis was performed on a 5-20% SDS-PAGE gel at 70V (Stacking gel)/90V (Resolving gel) for 2-3 hours. The sample well of each lane was loaded with 30 ug of sample under reducing conditions.Lane 1: human Jurkat whole cell lysates,Lane 2: human HEK293 whole cell lysates.After electrophoresis, proteins were transferred to a nitrocellulose membrane at 150 mA for 50-90 minutes. Blocked the membrane with 5% non-fat milk/TBS for 1.5 hour at RT. The membrane was incubated with rabbit anti-DDX21 antigen affinity purified polyclonal antibody (#AAA126392) at 0.5 ug/mL overnight at 4 degree C, then washed with TBS-0.1%Tween 3 times with 5 minutes each and probed with a goat anti-rabbit IgG-HRP secondary antibody at a dilution of 1:5000 for 1.5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit with Tanon 5200 system. A specific band was detected for DDX21 at approximately 86 kDa. The expected band size for DDX21 is at 86 kDa.)

product-image-AAA126392_WB15.jpg WB (Western Blot) (Figure 1. Western blot analysis of DDX21 using anti-DDX21 antibody (AAA126392).Electrophoresis was performed on a 5-20% SDS-PAGE gel at 70V (Stacking gel)/90V (Resolving gel) for 2-3 hours. The sample well of each lane was loaded with 30 ug of sample under reducing conditions.Lane 1: human Jurkat whole cell lysates,Lane 2: human HEK293 whole cell lysates.After electrophoresis, proteins were transferred to a nitrocellulose membrane at 150 mA for 50-90 minutes. Blocked the membrane with 5% non-fat milk/TBS for 1.5 hour at RT. The membrane was incubated with rabbit anti-DDX21 antigen affinity purified polyclonal antibody (#AAA126392) at 0.5 ug/mL overnight at 4 degree C, then washed with TBS-0.1%Tween 3 times with 5 minutes each and probed with a goat anti-rabbit IgG-HRP secondary antibody at a dilution of 1:5000 for 1.5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit with Tanon 5200 system. A specific band was detected for DDX21 at approximately 86 kDa. The expected band size for DDX21 is at 86 kDa.)
Related Product Information for anti-DDX21 antibody
Nucleolar RNA helicase 2 is an enzyme that in humans is encoded by the DDX21 gene. DEAD box proteins, characterized by the conserved motif Asp-Glu-Ala-Asp (DEAD), are putative RNA helicases. They are implicated in a number of cellular processes involving alteration of RNA secondary structure such as translation initiation, nuclear and mitochondrial splicing, and ribosome and spliceosome assembly. Based on their distribution patterns, some members of this family are believed to be involved in embryogenesis, spermatogenesis, and cellular growth and division. This gene encodes a DEAD box protein, which is an antigen recognized by autoimmune antibodies from a patient with watermelon stomach disease. This protein unwinds double-stranded RNA, folds single-stranded RNA, and may play important roles in ribosomal RNA biogenesis, RNA editing, RNA transport, and general transcription.
Product Categories/Family for anti-DDX21 antibody

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
UniProt Accession #
Molecular Weight
783
NCBI Official Full Name
Nucleolar RNA helicase 2
NCBI Official Synonym Full Names
DEAD (Asp-Glu-Ala-Asp) box helicase 21
NCBI Official Symbol
DDX21
NCBI Official Synonym Symbols
GUA; GURDB; RH-II/GU; RH-II/GuA
NCBI Protein Information
nucleolar RNA helicase 2; RH II/Gu; gu-alpha; Gu protein; DEAD box protein 21; RNA helicase II/Gu alpha; nucleolar RNA helicase Gu; nucleolar RNA helicase II; DEAD (Asp-Glu-Ala-Asp) box polypeptide 21; DEAD/H (Asp-Glu-Ala-Asp/His) box polypeptide 21
UniProt Protein Name
Nucleolar RNA helicase 2
UniProt Gene Name
DDX21
UniProt Entry Name
DDX21_HUMAN

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Product Notes

The DDX21 ddx21 (Catalog #AAA126392) is an Antibody produced from Rabbit and is intended for research purposes only. The product is available for immediate purchase. The Anti-DDX21 Antibody Picoband reacts with Human and may cross-react with other species as described in the data sheet. AAA Biotech's DDX21 can be used in a range of immunoassay formats including, but not limited to, ELISA, FCM/FACS (Flow Cytometry), IF (Immunofluorescence), ICC (Immunocytochemistry), WB (Western Blot). Researchers should empirically determine the suitability of the DDX21 ddx21 for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process. It is sometimes possible for the material contained within the vial of "DDX21, Polyclonal Antibody" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.

Precautions

All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.

Disclaimer

Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.

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