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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 5850-5900 of 10000 product results
Amino Acid Info
Insulin Like Growth Factor Binding Protein 2 (IGFBP2), Recombinant Protein (Cat# AAA153252)
Amino Acid Info
Interleukin 2 (IL2), Recombinant Protein (Cat# AAA153260)
Amino Acid Info
Monocyte Chemotactic Protein 3 (MCP3), Recombinant Protein (Cat# AAA153270)
Amino Acid Info
Adiponectin Receptor 2 (ADIPOR2), Recombinant Protein (Cat# AAA153284)
Amino Acid Info
Thrombopoietin (TPO), Recombinant Protein (Cat# AAA153286)
Amino Acid Info
Plasminogen Activator, Urokinase (uPA), Recombinant Protein (Cat# AAA153289)
Amino Acid Info
Staphylococcal Protein A (SPA), Recombinant Protein (Cat# AAA153296)
Amino Acid Info
(Amino Acid info)
Complement 1 Inhibitor (C1INH), Recombinant Protein (Cat# AAA153314)
Amino Acid Info
(Amino Acid info)
Prohibitin (PHB), Recombinant Protein (Cat# AAA153349)
Amino Acid Info
(Amino Acid info)
Immunoglobulin G (IgG), Recombinant Protein (Cat# AAA153354)
Amino Acid Info
(Amino Acid info)
Adiponectin (ADPN), Recombinant Protein (Cat# AAA153366)
Amino Acid Info
Serum Amyloid A (SAA), Recombinant Protein (Cat# AAA153398)
Amino Acid Info
(Amino Acid info)
Brain Derived Neurotrophic Factor (BDNF), Recombinant Protein (Cat# AAA153235)
Amino Acid Info
Bone Morphogenetic Protein 2 (BMP2), Recombinant Protein (Cat# AAA153237)
Amino Acid Info
Erythropoietin (EPO), Recombinant Protein (Cat# AAA153242)
Amino Acid Info
Calcium Channel, Voltage Dependent, N-Type, Alpha 1B Subunit (CACNa1B), Recombinant Protein (Cat# AAA153628)
Amino Acid Info
(Amino Acid info)
Transmembrane Protease, Serine 5 (TMPRSS5), Recombinant Protein (Cat# AAA153637)
Amino Acid Info
(Amino Acid info)
Solute Carrier Family 34, Member 2 (SLC34A2), Recombinant Protein (Cat# AAA153651)
Amino Acid Info
(Amino Acid info)
Transglutaminase 6 (TGM6), Recombinant Protein (Cat# AAA153661)
Amino Acid Info
Phosphoinositide-3-Kinase Class-2-Beta Polypeptide (PIK3C2b), Recombinant Protein (Cat# AAA153689)
Amino Acid Info
(Amino Acid info)
C1q And Tumor Necrosis Factor Related Protein 3 (C1QTNF3), Recombinant Protein (Cat# AAA153693)
SDS-PAGE
(Figure. SDS-PAGE)
Pyruvate Carboxylase (PC), Recombinant Protein (Cat# AAA162012)
SDS-PAGE
(Figure. SDS-PAGE)
Apolipoprotein C3 (APOC3), Recombinant Protein (Cat# AAA161982)
SDS-PAGE
Complement 1 Inhibitor (C1INH), Recombinant Protein (Cat# AAA134475)
SDS-PAGE
Angiopoietin Like Protein 6 (ANGPTL6), Recombinant Protein (Cat# AAA134476)
SDS-PAGE
Nucleolin (NCL), Recombinant Protein (Cat# AAA134266)
Application Data
Transforming Growth Factor Beta 1 (TGFb1), Recombinant Protein (Cat# AAA134309)
Sequence
Plasminogen Activator Inhibitor 2 (PAI2), Recombinant Protein (Cat# AAA135466)
SDS-PAGE
Cyclophilin D (CYPD), Recombinant Protein (Cat# AAA135512)
SDS-PAGE
Sirtuin 3 (SIRT3), Recombinant Protein (Cat# AAA140913)
rBet v 2, Recombinant Protein (Cat# AAA129076)
rAra h 1, Recombinant Protein (Cat# AAA129085)
WB (Western Blot)
(Reactivity of rCup s 1 with sIgE antibodies in plasma of a patient with confirmed presence (routine clinical test) of specific IgE antibodies to cypress pollen.Western blotting analysis was performed on recombinant allergen rCup s 1 mixed and heated (100°C, 5 min) with reducing SDS loading buffer. Sample was resolved using 15% Tris-glycine gel electrophoresis. Nitrocellulose membrane blot was incubated with plasma of an allergic patient (1:10). Captured rCup s 1 sIgE antibodies were detected by biotinylated anti-human IgE secondary antibody (2 ?g/ml) followed by IRDye 800CW Streptavidin (1:5000).)
rCup s 1 (Cupressus sempervirens 1.0101), Recombinant Protein (Cat# AAA129313)
FCM/FACS (Flow Cytometry)
(Figure 3. Flow cytometry analysis with 1ug/mL Canine PD-L1 Protein, hFc Tag(AAA129507) on Expi293 cells transfected with Canine PD-1 protein (Blue histogram) or Expi293 transfected with irrelevant protein (Red histogram).)
PD-L1, Recombinant Protein (Cat# AAA129507)
SDS-PAGE
Trypanosoma cruzi chagas, Recombinant Protein (Cat# AAA197061)
Ligand affinity chromatography
Galectin-2, Recombinant Protein (Cat# AAA76536)
Application Data
(Image: SDS-Page of proNGF)
Pigment Epithelium-Derived Factor (PEDF), Recombinant Protein (Cat# AAA76564)
cardiac troponin ITC complex, Recombinant Protein (Cat# AAA78145)
Application Data
(Binding of recombinant human Wnt5a [Cat# AAA79315] to recombinant human sROR2 in a functional ELISA. sROR2 was coated with 2ug/ml (100ug/well) and increasing amounts of Wnt5a was added. Detection was performed using a polyclonal rabbit anti-human Wnt5a and a goat anti-rabbit Biotin conjugated secondary antibody.)
Wnt-5a, Recombinant Protein (Cat# AAA79315)
Insulin, Recombinant Protein (Cat# AAA79341)
SDS-PAGE
TNF Receptor II/TNF RII/TNFRSF1B/CD120b) Biotinylated, Recombinant Protein (Cat# AAA177970)
SDS-PAGE
(>90% as determined by reducing SDS-PAGE)
Rift Valley fever virus (TAN/Dod-002/07) RVFV-L Protein, Recombinant Protein (Cat# AAA177994)
Bifunctional hemolysin/adenylate cyclase (cya), Recombinant Protein (Cat# AAA115102)
SDS-PAGE
COL6A3 / Collagen-VI, Recombinant Protein (Cat# AAA173517)
SDS-PAGE
GFRA3 / GFR-alpha-3, Recombinant Protein (Cat# AAA173571)
DENGUE VIRUS TYPE 3 NS1 ANTIGEN, Recombinant Protein (Cat# AAA50544)
DENGUE VIRUS TYPE 1 NS1 ANTIGEN, Recombinant Protein (Cat# AAA50549)
Application Data
(HTRF assay for EPHA2 (561-976) activity 1uM TK substrate was incubated with different concentrations of EPHA2 (561-976) protein in 10ul reaction system containing 1×Enzymatic Buffer, 5 mM MgCl2, 1 mM DTT, 1 mM MnCl2, 5 nM SEB and 100uM ATP for 1 hour. Then 10ul detection reagents containing anti-TK antibody (1:2) and SA-XL665 (1:100) diluted with 1× Detection Buffer were added and incubated with the reactions for 30 min. All the operations and reactions were performed at room temperature. HTRF assay was used for detection.)
Application Data
(HTRF assay for EPHB1 (565-984) activity 1uM TK substrate was incubated with different concentrations of EPHB1 (565-984) protein in 10ul reaction system containing 1×Enzymatic Buffer, 5 mM MgCl2, 1 mM DTT, 1 mM MnCl2, 5 nM SEB and 100uM ATP for 1 hour. Then 10ul detection reagents containing anti-TK antibody (1:2) and SA-XL665 (1:100) diluted with 1× Detection Buffer were added and incubated with the reactions for 30 min. All the operations and reactions were performed at room temperature. HTRF assay was used for detection.)
Application Data
(HTRF assay for EPHB3 (585-998) activity 1uM TK substrate was incubated with different concentrations of EPHB3 (585-998) protein in 10ul reaction system containing 1×Enzymatic Buffer, 5 mM MgCl2, 1 mM DTT, 1 mM MnCl2, 5 nM SEB and 100uM ATP for 1 hour. Then 10ul detection reagents containing anti-TK antibody (1:2) and SA-XL665 (1:100) diluted with 1× Detection Buffer were added and incubated with the reactions for 30 min. All the operations and reactions were performed at room temperature. HTRF assay was used for detection.)
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.