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Recombinant Proteins

Recombinant proteins are purified laboratory reagents created through genetic engineering for advanced biomedical research, such as immunology, neuroscience, cancer research, and more.


At AAA Biotech, also known as AAA Bio or AAABio, we provide high-quality recombinant proteins. Our various protein products are carefully tested for consistent and reliable performance. With our proteins, we offer stringent quality control, lot-to-lot consistency, and precise specificity to help you achieve accurate results in your research.


Whether you're conducting research on cell expansion, polarization, differentiation, or cell processing, we can offer the exact recombinant proteins you need in order to support your work.


Viewing 5200-5250 of 14163 product results


product-image-AAA145955_SDS_PAGE13.jpg SDS-PAGE

Dihydropyrimidinase Like Protein 5, Recombinant Protein (Cat# AAA145955)

No reviews yet
Full Name
Recombinant Dihydropyrimidinase Like Protein 5 (DPYSL5)
Reactivity
Human
Applications
Immunoprecipitation, Western Blot
Purity
> 90%
Pricing
product-image-AAA145913_SDS_PAGE13.jpg SDS-PAGE

Phospholipase A2, Recombinant Protein (Cat# AAA145913)

No reviews yet
Full Name
Recombinant Phospholipase A2, Group XII (PLA2G12)
Applications
Western Blot
Purity
> 90%
Pricing
product-image-AAA145420_AD11.jpg Application Data

Superoxide Dismutase 3, Recombinant Protein (Cat# AAA145420)

No reviews yet
Full Name
Recombinant Superoxide Dismutase 3, Extracellular (SOD3)
Applications
Immunoprecipitation, Western Blot
Purity
> 95%
Pricing
product-image-AAA145422_SDS_PAGE15.jpg SDS-PAGE

Eukaryotic Translation Elongation Factor 1 Alpha 1, Recombinant Protein (Cat# AAA145422)

No reviews yet
Full Name
Recombinant Eukaryotic Translation Elongation Factor 1 Alpha 1 (EEF1a1)
Reactivity
Homo sapiens (Human)
Applications
Western Blot
Purity
> 90%
Pricing
product-image-AAA145428_SDS_PAGE13.jpg SDS-PAGE

Sterol Regulatory Element Binding Transcription Factor 1, Recombinant Protein (Cat# AAA145428)

No reviews yet
Full Name
Recombinant Sterol Regulatory Element Binding Transcription Factor 1 (SREBF1)
Gene Names
SREBF1; SREBP1; bHLHd1; SREBP1a; SREBP-1c
Reactivity
Mus musculus (Mouse)
Applications
Western Blot
Purity
> 97%
Pricing
product-image-AAA145434_SDS_PAGE15.jpg SDS-PAGE

Angiotensin II Receptor 1, Recombinant Protein (Cat# AAA145434)

No reviews yet
Full Name
Recombinant Angiotensin II Receptor 1 (AGTR1)
Gene Names
AGTR1; AT1; AG2S; AT1B; AT1R; AT1AR; AT1BR; AT2R1; HAT1R; AGTR1B
Applications
Western Blot
Purity
> 90%
Pricing
product-image-AAA150653_SDS_PAGE11.jpg SDS-PAGE (Figure. SDS-PAGE)

Interleukin 10 (IL10), Recombinant Protein (Cat# AAA150653)

No reviews yet
Full Name
Recombinant Interleukin 10 (IL10)
Gene Names
IL10; CSIF; IL-10
Applications
Western Blot
Purity
>90%
Pricing
product-image-AAA150664_SDS_PAGE13.png SDS-PAGE (Figure. SDS-PAGE)

Urocortin (UCN), Recombinant Protein (Cat# AAA150664)

No reviews yet
Full Name
Recombinant Urocortin (UCN)
Gene Names
UCN; UI; UROC
Applications
Western Blot
Purity
>95%
Pricing
product-image-AAA150668_SDS_PAGE11.jpg SDS-PAGE (Figure. SDS-PAGE)

Cocaine And Amphetamine Regulated Transcript (CART), Recombinant Protein (Cat# AAA150668)

No reviews yet
Full Name
Recombinant Cocaine And Amphetamine Regulated Transcript (CART)
Applications
Western Blot
Purity
>95%
Pricing
product-image-AAA150671_SDS_PAGE11.jpg SDS-PAGE (Figure. SDS-PAGE)

Procollagen III N-Terminal Propeptide (PIIINP), Recombinant Protein (Cat# AAA150671)

No reviews yet
Full Name
Recombinant Procollagen III N-Terminal Propeptide (PIIINP)
Applications
Western Blot
Purity
>90%
Pricing
product-image-AAA150269_SEQUENCE13.png Gene Sequence (Figure. Gene Sequencing (Extract))

Interleukin 22 Receptor Alpha 2, Recombinant Protein (Cat# AAA150269)

No reviews yet
Full Name
Recombinant Interleukin 22 Receptor Alpha 2 (IL22Ra2)
Gene Names
IL22RA2; CRF2X; CRF2-10; CRF2-S1; IL-22BP; IL-22RA2; ZCYTOR16; IL-22R-alpha-2
Applications
Western Blot
Purity
>90%
Pricing
product-image-AAA150272_SEQUENCE13.jpg Gene Sequence (Figure. Gene Sequencing (Extract))

Glutamate Receptor, Ionotropic, N-Methyl-D-Aspartate 1, Recombinant Protein (Cat# AAA150272)

No reviews yet
Full Name
Recombinant Glutamate Receptor, Ionotropic, N-Methyl-D-Aspartate 1 (GRIN1)
Gene Names
GRIN1; NR1; MRD8; GluN1; NMDA1; NDHMSD; NDHMSR; NMD-R1; NMDAR1
Applications
Western Blot
Purity
>95%
Pricing
product-image-AAA150273_SDS_PAGE13.jpg SDS-PAGE

Alcohol Dehydrogenase 7, Recombinant Protein (Cat# AAA150273)

No reviews yet
Full Name
Recombinant Alcohol Dehydrogenase 7 (ADH7)
Gene Names
Adh7; Adh3; Adh4; Adh-3; Adt-1; Adh-3e; Adh-3t; Adh3-e; Adh3-t; AI325182
Reactivity
Mus musculus (Mouse)
Applications
Western Blot
Purity
> 90%
Pricing
product-image-AAA150284_AD13.jpg Application Data (Sequence)

Leucine Rich Repeat Containing G Protein Coupled Receptor 5, Recombinant Protein (Cat# AAA150284)

No reviews yet
Full Name
Recombinant Leucine Rich Repeat Containing G Protein Coupled Receptor 5 (LGR5)
Gene Names
Lgr5; FEX; Gpr49
Reactivity
Mus musculus (Mouse)
Applications
Western Blot
Purity
> 95%
Pricing
product-image-AAA150320_SDS_PAGE13.jpg SDS-PAGE

G Protein Coupled Receptor, Family C, Group 5, Member A, Recombinant Protein (Cat# AAA150320)

No reviews yet
Full Name
Recombinant G Protein Coupled Receptor, Family C, Group 5, Member A (GPRC5A)
Gene Names
GPRC5A; RAI3; TIG1; RAIG1; GPCR5A; PEIG-1
Reactivity
Homo sapiens (Human)
Applications
Western Blot
Purity
> 95%
Pricing
product-image-AAA150700_SDS_PAGE11.jpg SDS-PAGE (Figure. SDS-PAGE)

Retinoid X Receptor Alpha (RXRa), Recombinant Protein (Cat# AAA150700)

No reviews yet
Full Name
Recombinant Retinoid X Receptor Alpha (RXRa)
Applications
Western Blot
Purity
>95%
Pricing
product-image-AAA150715_SDS_PAGE13.jpg SDS-PAGE (Figure. SDS-PAGE)

Fibrinogen Like Protein 1 (FGL1), Recombinant Protein (Cat# AAA150715)

No reviews yet
Full Name
Recombinant Fibrinogen Like Protein 1 (FGL1)
Applications
Western Blot
Purity
>90%
Pricing
product-image-AAA150724_SDS_PAGE13.jpg SDS-PAGE (Figure. SDS-PAGE)

Neurofilament, Heavy Polypeptide (NEFH), Recombinant Protein (Cat# AAA150724)

No reviews yet
Full Name
Recombinant Neurofilament, Heavy Polypeptide (NEFH)
Reactivity
Homo sapiens (Human)
Applications
Western Blot
Purity
> 90%
Pricing
product-image-AAA150728_SDS_PAGE11.jpg SDS-PAGE (Figure. SDS-PAGE)

Lipase Maturation Factor 1 (LMF1), Recombinant Protein (Cat# AAA150728)

No reviews yet
Full Name
Recombinant Lipase Maturation Factor 1 (LMF1)
Applications
Western Blot
Purity
>90%
Pricing
product-image-AAA150731_SDS_PAGE13.jpg SDS-PAGE (Figure. SDS-PAGE)

Glutamate Receptor, Ionotropic, AMPA 4 (GRIA4), Recombinant Protein (Cat# AAA150731)

No reviews yet
Full Name
Recombinant Glutamate Receptor, Ionotropic, AMPA 4 (GRIA4)
Applications
Western Blot
Purity
>95%
Pricing
product-image-AAA150745_SDS_PAGE13.jpg SDS-PAGE (Figure. SDS-PAGE)

Lipin 1 (LPIN1), Recombinant Protein (Cat# AAA150745)

No reviews yet
Full Name
Recombinant Lipin 1 (LPIN1)
Applications
Western Blot
Purity
>90%
Pricing
product-image-AAA150748_SDS_PAGE13.jpg SDS-PAGE (Figure. SDS-PAGE)

Phosphatidylinositol Glycan L (PIGL), Recombinant Protein (Cat# AAA150748)

No reviews yet
Full Name
Recombinant Phosphatidylinositol Glycan L (PIGL)
Applications
Western Blot
Purity
>90%
Pricing
product-image-AAA150754_SDS_PAGE13.jpg SDS-PAGE

Huntingtin (HTT), Recombinant Protein (Cat# AAA150754)

No reviews yet
Full Name
Recombinant Huntingtin (HTT)
Gene Names
HTT; HD; IT15
Reactivity
Homo sapiens (Human)
Applications
Western Blot
Purity
> 95%
Pricing
product-image-AAA150772_SDS_PAGE13.jpg SDS-PAGE

Tolloid Like Protein 1 (TLL1), Recombinant Protein (Cat# AAA150772)

No reviews yet
Full Name
Recombinant Tolloid Like Protein 1 (TLL1)
Gene Names
TLL1; TLL; ASD6
Applications
Western Blot
Purity
> 90%
Pricing
product-image-AAA150773_SDS_PAGE13.jpg SDS-PAGE (Figure. SDS-PAGE)

SPARC Related Modular Calcium Binding Protein 1 (SMOC1), Recombinant Protein (Cat# AAA150773)

No reviews yet
Full Name
Recombinant SPARC Related Modular Calcium Binding Protein 1 (SMOC1)
Applications
Western Blot
Purity
>90%
Pricing
product-image-AAA150774_SDS_PAGE11.jpg SDS-PAGE (Figure. SDS-PAGE)

Wingless Type MMTV Integration Site Family, Member 3A (WNT3A), Recombinant Protein (Cat# AAA150774)

No reviews yet
Full Name
Recombinant Wingless Type MMTV Integration Site Family, Member 3A (WNT3A)
Applications
Western Blot
Purity
>97%
Pricing
product-image-AAA147151_SDS_PAGE11.jpg SDS-PAGE

Proinsulin (PI), Recombinant Protein (Cat# AAA147151)

No reviews yet
Full Name
Recombinant Proinsulin (PI)
Gene Names
INS; IDDM; ILPR; IRDN; IDDM1; IDDM2; MODY10
Reactivity
Homo sapiens (Human)
Applications
Western Blot
Purity
> 97%
Pricing
product-image-AAA151101_SDS_PAGE13.jpg SDS-PAGE (SDS-PAGE)

Spermatogenesis Associated Protein, Serine Rich 2 (SPATS2), Recombinant Protein (Cat# AAA151101)

No reviews yet
Full Name
Recombinant Spermatogenesis Associated Protein, Serine Rich 2 (SPATS2)
Applications
Western Blot
Purity
Greater than 80% by SDS-PAGE
Pricing
product-image-AAA151110_SDS_PAGE13.jpg SDS-PAGE (SDS-PAGE)

TBC1 Domain Family, Member 13 (TBC1D13), Recombinant Protein (Cat# AAA151110)

No reviews yet
Full Name
Recombinant TBC1 Domain Family, Member 13 (TBC1D13)
Applications
Western Blot
Purity
Greater than 90% by SDS-PAGE
Pricing
product-image-AAA151030_SDS_PAGE13.jpg SDS-PAGE (SDS-PAGE)

Prolactin (PRL), Recombinant Protein (Cat# AAA151030)

No reviews yet
Full Name
Recombinant Prolactin (PRL)
Applications
Western Blot
Purity
Greater than 90% by SDS-PAGE
Pricing
product-image-AAA151050_SDS_PAGE13.jpg SDS-PAGE (SDS-PAGE)

Golgi Phosphoprotein 2 (GOLPH2), Recombinant Protein (Cat# AAA151050)

No reviews yet
Full Name
Recombinant Golgi Phosphoprotein 2 (GOLPH2)
Applications
Western Blot
Purity
Greater than 80% by SDS-PAGE
Pricing
product-image-AAA151051_SDS_PAGE13.jpg SDS-PAGE (SDS-PAGE)

Insulin Like Growth Factor Binding Protein 7 (IGFBP7), Recombinant Protein (Cat# AAA151051)

No reviews yet
Full Name
Recombinant Insulin Like Growth Factor Binding Protein 7 (IGFBP7)
Gene Names
IGFBP7; AGM; PSF; TAF; FSTL2; IBP-7; MAC25; IGFBP-7; RAMSVPS; IGFBP-7v; IGFBPRP1
Applications
Western Blot
Purity
Greater than 80% by SDS-PAGE
Pricing
product-image-AAA151066_SDS_PAGE13.jpg SDS-PAGE (SDS-PAGE)

Fibroblast Growth Factor 18 (FGF18), Recombinant Protein (Cat# AAA151066)

No reviews yet
Full Name
Recombinant Fibroblast Growth Factor 18 (FGF18)
Applications
Western Blot
Purity
Greater than 97% by SDS-PAGE
Pricing
product-image-AAA151070_SDS_PAGE13.jpg SDS-PAGE (SDS-PAGE)

Glycogen Synthase Kinase 3 Beta (GSK3b), Recombinant Protein (Cat# AAA151070)

No reviews yet
Full Name
Recombinant Glycogen Synthase Kinase 3 Beta (GSK3b)
Applications
Western Blot
Purity
Greater than 97% by SDS-PAGE
Pricing
product-image-AAA151071_SDS_PAGE13.jpg SDS-PAGE (SDS-PAGE)

Pyruvate Dehydrogenase Alpha 2 (PDHa2), Recombinant Protein (Cat# AAA151071)

No reviews yet
Full Name
Recombinant Pyruvate Dehydrogenase Alpha 2 (PDHa2)
Applications
Western Blot
Purity
Greater than 80% by SDS-PAGE
Pricing
product-image-AAA151072_SDS_PAGE13.jpg SDS-PAGE (SDS-PAGE)

Insulin Like Growth Factor Binding Protein, Acid Labile Subunit (IGFALS), Recombinant Protein (Cat# AAA151072)

No reviews yet
Full Name
Recombinant Insulin Like Growth Factor Binding Protein, Acid Labile Subunit (IGFALS)
Applications
Western Blot
Purity
Greater than 95% by SDS-PAGE
Pricing
product-image-AAA151086_SDS_PAGE13.jpg SDS-PAGE (SDS-PAGE)

Plexin B1 (PLXNB1), Recombinant Protein (Cat# AAA151086)

No reviews yet
Full Name
Recombinant Plexin B1 (PLXNB1)
Gene Names
PLXNB1; SEP; PLXN5; PLEXIN-B1
Applications
Western Blot
Purity
Greater than 90% by SDS-PAGE
Pricing
product-image-AAA151090_SDS_PAGE13.jpg SDS-PAGE (SDS-PAGE)

DNA Methyltransferase 3A (DNMT3A), Recombinant Protein (Cat# AAA151090)

No reviews yet
Full Name
Recombinant DNA Methyltransferase 3A (DNMT3A)
Applications
Western Blot
Purity
Greater than 97% by SDS-PAGE
Pricing
product-image-AAA152255_SDS_PAGE11.jpg SDS-PAGE (SDS-PAGE)

Phospholipase A2 Group VII (LpPLA2), Recombinant Protein (Cat# AAA152255)

No reviews yet
Full Name
Recombinant Phospholipase A2 Group VII (LpPLA2)
Gene Names
PLA2G7; PAFAD; PAFAH; LP-PLA2; LDL-PLA2
Applications
Western Blot
Purity
Greater than 80% by SDS-PAGE
Pricing
product-image-AAA152266_SDS_PAGE11.jpg SDS-PAGE (SDS-PAGE)

Carbonic Anhydrase IX (CA9), Recombinant Protein (Cat# AAA152266)

No reviews yet
Full Name
Eukaryotic Carbonic Anhydrase IX (CA9)
Gene Names
CA9; MN; CAIX
Applications
Western Blot
Purity
Greater than 90% by SDS-PAGE
Pricing
product-image-AAA152008_SDS_PAGE13.jpg SDS-PAGE (SDS-PAGE)

Activating Signal Cointegrator 1 Complex Subunit 3 (ASCC3), Recombinant Protein (Cat# AAA152008)

No reviews yet
Full Name
Recombinant Activating Signal Cointegrator 1 Complex Subunit 3 (ASCC3)
Applications
Western Blot
Purity
Greater than 95% by SDS-PAGE
Pricing
product-image-AAA152188_SDS_PAGE13.jpg SDS-PAGE (SDS-PAGE)

Alpha-1-Antichymotrypsin (a1ACT), Recombinant Protein (Cat# AAA152188)

No reviews yet
Full Name
Recombinant Alpha-1-Antichymotrypsin (a1ACT)
Applications
Western Blot
Purity
Greater than 80% by SDS-PAGE
Pricing
product-image-AAA153616_AD13.png Amino Acid Info

B-Cell CLL/Lymphoma 6 (Bcl6), Recombinant Protein (Cat# AAA153616)

No reviews yet
Full Name
Recombinant B-Cell CLL/Lymphoma 6 (Bcl6)
Gene Names
BCL6; BCL5; LAZ3; BCL6A; ZNF51; ZBTB27
Applications
Western Blot
Purity
Greater than 90% by SDS-PAGE
Pricing
product-image-AAA153650_AD13.png Amino Acid Info

Yes Associated Protein 1 (YAP1), Recombinant Protein (Cat# AAA153650)

No reviews yet
Full Name
Recombinant Yes Associated Protein 1 (YAP1)
Gene Names
Yap1; Yap; Yki; Yap65; Yorkie; AI325207
Applications
Western Blot
Purity
Greater than 80% by SDS-PAGE
Pricing
product-image-AAA153679_AD11.jpg Amino Acid Info (Amino Acid info)

Cancer/Testis Antigen 1B (CTAG1B), Recombinant Protein (Cat# AAA153679)

No reviews yet
Full Name
Recombinant Cancer/Testis Antigen 1B (CTAG1B)
Gene Names
CTAG1B; CTAG; ESO1; CT6.1; CTAG1; LAGE-2; LAGE2B; NY-ESO-1
Applications
Western Blot
Purity
Greater than 95% by SDS-PAGE
Pricing
product-image-AAA153680_AD11.jpg Amino Acid Info (Amino Acid info)

Cancer/Testis Antigen 1B (CTAG1B), Recombinant Protein (Cat# AAA153680)

No reviews yet
Full Name
Recombinant Cancer/Testis Antigen 1B (CTAG1B)
Gene Names
CTAG1B; CTAG; ESO1; CT6.1; CTAG1; LAGE-2; LAGE2B; NY-ESO-1
Applications
Western Blot
Purity
Greater than 95% by SDS-PAGE
Pricing
product-image-AAA153525_AD13.jpg Amino Acid Info (Amino Acid info)

Cholinergic Receptor, Nicotinic, Alpha 7 (CHRNa7), Recombinant Protein (Cat# AAA153525)

No reviews yet
Full Name
Recombinant Cholinergic Receptor, Nicotinic, Alpha 7 (CHRNa7)
Gene Names
Chrna7; BTX; NARAD; nAChRa7
Applications
Western Blot
Purity
Greater than 90% by SDS-PAGE
Pricing
product-image-AAA153537_AD13.jpg Amino Acid Info

Valosin Containing Protein (VCP), Recombinant Protein (Cat# AAA153537)

No reviews yet
Full Name
Recombinant Valosin Containing Protein (VCP)
Gene Names
Vcp; p97; CDC48; p97/VCP; 3110001E05
Applications
Western Blot
Purity
Greater than 97% by SDS-PAGE
Pricing
product-image-AAA153546_AD11.jpg Amino Acid Info (Amino Acid info)

Rhodopsin (RHO), Recombinant Protein (Cat# AAA153546)

No reviews yet
Full Name
Recombinant Rhodopsin (RHO)
Gene Names
RHO; RP4; OPN2; CSNBAD1
Applications
Western Blot
Purity
Greater than 95% by SDS-PAGE
Pricing
product-image-AAA153561_AD13.jpg Amino Acid Info

Free Fatty Acid Receptor 2 (FFAR2), Recombinant Protein (Cat# AAA153561)

No reviews yet
Full Name
Recombinant Free Fatty Acid Receptor 2 (FFAR2)
Gene Names
Ffar2; Gpr43
Applications
Western Blot
Purity
Greater than 95% by SDS-PAGE
Pricing

What Are Recombinant Proteins?


A recombinant protein is created by inserting the gene of interest into a host system like E. coli, mammalian cells, or insect cells. This protein expression method results in the large-scale production of protein in a controlled environment with highly precise structures and functionality. Proteins produced via the “Recombinant” methodology have proven themselves crucial in various biological research areas, including immunology, neuroscience, cancer research, drug delivery and development, and more.


Core Recombinant Protein Product Lines:


  • Human: Produced from human genes (e.g., growth factors, cytokines).

  • Animal: Derived from mouse, rat, or other animals (e.g., mouse antibodies, enzymes).

  • Bacterial: Produced in bacteria like E. coli (e.g., enzymes, bacterial toxins).

  • Yeast: Produced in yeast cells (e.g., surface proteins, metabolic enzymes).

  • Insect:Expressed in insect cells (e.g., viral proteins, glycoproteins).

  • Viral: Derived from viral genomes (e.g., spike proteins for vaccine development).


How Does It Work?


  • Gene Identification and Cloning: Scientists first find the exact gene that codes for the protein they are interested in producing, and then create a copy of said gene.

  • Recombinant DNA Creation: The copied gene is then inserted into a vector (a vehicle-like plasmid) that can be transported safely into your intended expression host cell/system.

  • Host Cell Transformation: The vector (with the foreign gene inside) is shuttled into a host cell. This host can be a bacterium (like E. coli), yeast, insect cells, or mammalian cells, depending on the type of protein or protein characteristics needed.

  • Protein Expression:The host cell “reads” the copied gene that was shuttled into it, and begins to produce the gene’s coded-for protein using its own cellular machinery. The host can continue to multiply, and with each new cell, more protein is produced.

  • Protein Purification:After enough protein has been made, scientists collect the host cell and separate out the target protein. The protein is then carefully purified so it is free of contaminants, ideally active, and also safe for use.

The result is a purified recombinant protein — a lab-made protein that is biologically identical (in most respects) to the natural/native version.


We take this process a step further, offering recombinant proteins that are produced with precise control over sequence modifications, expression levels, and large-scale production. This ensures high-quality, consistent results that will be able to support your research needs and empower your scientific discoveries.


Some of the expression hosts/systems used in recombinant protein generation by AAA Biotech include:


  • Escherichia coli (E. coli)

  • Human (Homo sapiens)

  • Chinese Hamster

  • Yeast

  • Insect cells (e.g., Baculovirus expression system)

Advantages Of Our Recombinant Proteins:


Recombinant Protein Offerings


S.No Protein Expression Systems Quality and Bioactivity Formats and Flexibility
01. E. coli, HEK293, CHO, yeast, and insect cells Validated high bioactivity and binding activity Ready-to-use formats (lyophilized or liquid formulations available)
02. 675+ recombinant protein products High protein purity (≥95%) Available in flexible pack sizes
03. Custom protein production (His-tag, GST, FLAG, and Fc fusion) Lot-to-lot consistency through QC protocols Wide range of targets (Cytokines, growth factors, enzymes, receptors, signaling proteins, etc.)

Applications Of Our Recombinant Proteins


  • Studying protein interactions (protein–protein or protein–DNA).

  • Testing biological pathways with functional/activity assays.

  • Creating standard curves in ELISA and other tests.

  • Making antigens/immunogens for antibody production.

  • Drug discovery and screening.

  • Finding and confirming biomarkers.

  • Researching cell signaling and immunity.

  • Developing vaccines.

Read more about the applications of the recombinant proteins here!


Why Buy Recombinant Proteins from AAA Biotech?


1. High Purity & Verified Quality:


Most of our proteins are ≥ 95% pure. We also test the biological activity of our products where it's relevant (it will be indicated on the product page).


2. Multiple Expression Systems:


We offer proteins made in multiple host systems, and this enables researchers to pick the system that gives them the best folding, post-translational modifications, or functionality for their experiment requirements.


3. Custom & Flexible Options:


Need a special tag (His, GST, FLAG, Fc fusion)? Or a custom variant? We can provide it. Our proteins come in formats that are lab-friendly: lyophilized (dry) or “ready-to-use” liquid.


4. Rigorous Quality Control & Documentation:


Every batch is backed by strong QC. This means you can rely on product consistency — two different batches will perform similarly.


5. Wide Variety & Global Availability:


We carry a large and growing catalog of recombinant proteins to cover almost all needs in research (immunology, oncology, vaccine work, etc.)


6. Researcher-Focused Support:


Technical support, clear documentation, and user-friendly product pages help you select the right protein for your work. Plus, our user-friendly packaging and handling, and global shipping are all designed to reduce delays, damage, and hassles.


Order Recombinant Proteins Today!


We are committed to supporting the research community with recombinant proteins that display exceptional performance and reliability. Our proteins are produced using industry-standard methods and are validated to meet the needs of academic, pharmaceutical, and biotechnology laboratories.


We have a track record of delivering proteins that work — large numbers of researchers rely on them in many published studies. Browse our catalog to find the perfect protein for your research applications now!


FAQ


1. What is involved in the purification of recombinant proteins?


The purification process of these recombinant proteins is performed to isolate the specific protein produced by the host cell from unwanted substances. The process generally includes techniques such as “affinity chromatography” to separate the protein from other proteins and impurities. AAA Biotech generally offers proteins ≥ 95% pure, depending on the protein type.


2. What are some examples of popular AAA Biotech recombinant proteins?


Some examples of recombinant proteins include:


Retinoblastoma Protein (Cat # AAA10852) – reportedly used in vaccine research and antibody development. Hepatitis B Surface Antigen (HBsAg) (Cat# AAA13446) – reportedly used in diagnostic tests and vaccine development for Hepatitis B. High-Mobility Group Box 1 (HMGB1) (Cat# AAA10851) – reportedly used in inflammation and immune response research.


3. How are AAA Biotech recombinant proteins validated?


Each batch undergoes stringent quality control checks, including SDS-PAGE analysis, endotoxin testing (for select products), and activity assaying (for select products). Certificates of Analysis are provided with every product (only upon request for some products).


4. Are your proteins suitable for therapeutic development or only research?


AAA Biotech recombinant proteins are strictly for research-use only and are not intended for diagnostic or therapeutic purposes in humans or animals.


5. What types of expression systems do you use for recombinant protein production?


The production labs use a variety of expression platforms, including bacterial (E. coli), yeast, insect (baculovirus), and mammalian (HEK293, CHO) systems. The expression system used depends on the complexity and intended function/use of the protein.


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