Filters
▼Clonality
▼Type
▼Reactivity
▼Gene Name
▼Isotype
▼Host
▼Application
▼Clone
▼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 1600-1650 of 14163 product results
SDS-PAGE
(Tau Proteins: Representation of seven Tau proteins, from top to bottom: Tau-441, Tau-410, Tau-412, Tau-381, Tau-383, Tau-352 and Tau-316 (Tau Protein Marker; .)
Tau-441 (S198A), Recombinant Protein (Cat# AAA74018)
SDS-PAGE
(Tau Proteins: Representation of seven Tau proteins, from top to bottom: Tau-441, Tau-410, Tau-412, Tau-381, Tau-383, Tau-352 and Tau-316)
Tau-441, Biotinylated, Recombinant Protein (Cat# AAA74024)
SDS-PAGE
(Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)
Application Data
(HTRF assay for BRD2 (344-455), GST-Tag activity 3 uM histone H4K5/8/12/16(ac4) peptide was incubated with different concentrations of BRD2 (344-455), GST-tag protein in 10 ul reaction system containing 50 mM HEPES-NaOH pH 7.4, 0.1% BSA for 1 hour, then 10 ul GST antibody and SA-XL665 mixture (each 1:100 dilution in the reaction buffer) was added to each reaction system and incubated for 30 min. All the operations and reactions were performed at room temperature. HTRF assay was used for detection.)
BRD2, Recombinant Protein (Cat# AAA60159)
SDS-PAGE
(The purity of KDM4B was determined to be >75% by densitometry.)
KDM4B, Recombinant Protein (Cat# AAA72911)
Application Data
DNMT3B, Recombinant Protein (Cat# AAA72978)
Application Data
EHMT2, Recombinant Protein (Cat# AAA72982)
Application Data
AMPK, Recombinant Protein (Cat# AAA73075)
SDS-PAGE
(Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)
HRAS1 (Mature form), Recombinant Protein (Cat# AAA73922)
SDS-PAGE
(Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)
BRAF (V600D), Recombinant Protein (Cat# AAA73261)
SDS-PAGE
(Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)
EGFR (K728A T790M C797S L858R), Recombinant Protein (Cat# AAA73460)
SDS-PAGE
(Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)
c-KIT (T670I), Recombinant Protein (Cat# AAA73289)
SDS-PAGE
(Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)
SDS-PAGE
(Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)
AURORA B (G160L), Recombinant Protein (Cat# AAA73244)
SDS-PAGE
(Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)
RSK2 (I416V), Recombinant Protein (Cat# AAA73936)
SDS-PAGE
(Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)
SDS-PAGE
(Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)
EPHA6, Recombinant Protein (Cat# AAA73517)
SDS-PAGE
(Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)
SDS-PAGE
(Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)
Bioactivity
(Activity: Sample activity data. for lot-specific data, please refer to the specific datasheet.)
EGFR (D770_N771insY), Recombinant Protein (Cat# AAA73440)
SDS-PAGE
(Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)
EGFR (T790M L792H L858R), Recombinant Protein (Cat# AAA73451)
SDS-PAGE
(Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)
EGFR (C797S), Recombinant Protein (Cat# AAA73464)
Application Data
(HTRF assay for IKKe activity 1 uM STK S3 substrate was incubated with different concentrations of IKKe protein in reaction system for 1 hour. The detection reagents were added and incubated with the reactions for 30 min. All the operations and reactions were performed at room temperature, and HTRF KinASE TK assay was used to detect the enzymatic activity.)
IKKe, Recombinant Protein (Cat# AAA60143)
Application Data
(Recombinant TRIM33 (959-1069) protein HTRF activity assay. 3 uM H4K5/8/12/16 (ac4) peptide was incubated with different concentrations of TRIM33 (959- 1069) protein in a 10 ul reaction system containing 50 mM HEPES-NaOH pH 7.4, 0.1% BSA for 1 hour, then 10 ul DYKDDDDK antibody and SA-XL665 mixture (1:100 dilution in the same buffer) was added to each reaction system and incubated for 30 min. All the operations and reactions were performed at room temperature. HTRF assay was used for detection.)
TRIM33, Recombinant Protein (Cat# AAA59639)
Application Data
(HTRF assay for BRD2 (71-194), GST-tag activity 3 uM histone H4K5/8/12/16(ac4) peptide was incubated with different concentrations of BRD2 (71-194), GST-tag protein in a 10 ul reaction system containing 50 mM HEPES-NaOH pH 7.4, 0.1% BSA for 1 hour, then 10 ul GST antibody and SA-XL665 mixture (each 1:100 dilution in the reaction buffer) was added to each reaction system and incubated for 30 min. All the operations and reactions were performed at room temperature. HTRF assay was used for detection.)
BRD2, Recombinant Protein (Cat# AAA60158)
Application Data
(MALDI-TOF for Recombinant PHD3 (EGLN3) protein, DYKDDDDK-Tag 3 ?M HIF1A peptide was incubated with 300 nM PHD3 protein in 30 ?l reaction system containing 20 mM Tris-HCl pH 7.5, 5 mM KCl, 1.5 mM MgCl2, 1 mM DTT, 100 ?M 2-oxoglutarate, 100 ?M ascorbate and 50 ?M (NH4)2Fe(SO4)2·6H2O for 2 hours at 30 degree C. MALDI-TOF was used for detection.)
PHD3, Recombinant Protein (Cat# AAA60179)
SDS-PAGE
Secretory Phospholipase A2 Receptor 1, Recombinant Protein (Cat# AAA47142)
WB (Western Blot)
(Western blot for PRMT1 methyltransferase activity 0.5 ug Histone H4 was incubated with 0 ug (-), 0.05 ?g (+), 0.1 ug (++), 0.2 ug (+++) PRMT1 system for 2 hr at room temperature. Products were detected by Western blot using H4R3me2a (asymmetric) antibody.)
SDS-PAGE
(Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)
MGRN1, Recombinant Protein (Cat# AAA73674)
SDS-PAGE
(Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)
SDS-PAGE
(Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)
MATK (CTK), Recombinant Protein (Cat# AAA73684)
SDS-PAGE
(Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)
PP2Aalpha/PPP2R1A Complex, Recombinant Protein (Cat# AAA73806)
SDS-PAGE
(Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)
EGFR (L792F), Recombinant Protein (Cat# AAA73446)
SDS-PAGE
(Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)
EIF2AK4 (GCN2), Recombinant Protein (Cat# AAA73509)
SDS-PAGE
(The purity of STAT1alpha was determined to be >90% by densitometry. Approx. MW: 110kDa)
STAT1 alpha, Recombinant Protein (Cat# AAA72916)
Application Data
CDK2/CyclinE1, Recombinant Protein (Cat# AAA72967)
Functional Data
(Binding curve of anti-Cov-19&SARS S glycoprotein antibody IgG CR3022 to the trimeric Spike Omicron variant of concern)
COVID 19 Spike protein, Omicron variant, B.1.1.529, 21K clade Coronavirus, Recombinant Protein (Cat# AAA47148)
Application Data
(Recombinant PTPN2 protein activity assay. 1 mM pNPP was incubated with different concentrations of PTPN2 protein ina 100 ul reaction with buffer including 50 mM HEPES pH 7.5, 2 mM EDTA, 3 mM DTT, 100 mM NaCl at RT. The absorbance at 405 nm was continuously monitored for 30 minutes.)
PTPN2, Recombinant Protein (Cat# AAA59770)
SDS-PAGE
(Recombinant SUV420H2 activity assay Recombinant Nucleosomes (H3.1) in various amounts were incubated with SUV420H2 protein. Reaction products were run on SDS-PAGE gel and detected with anti-H4K20me2 or anti-H4K20me3. The activity of SUV420H2 with nucleosomes as substrate is better than with histone octamers as substrate.)
SUV420H2, Recombinant Protein (Cat# AAA60105)
Application Data
(Recombinant PTPN1 protein activity assay 1 mM pNPP was incubated with different concentrations of PTPN1 protein in 100 ul reaction system including 50 mM HEPES pH 7.5, 2 mM EDTA, 3 mM DTT, and 100 mM NaCl at room temperature. The absorbance at 405 nm was continuously monitored for 30 minutes.)
PTPN1, Recombinant Protein (Cat# AAA60113)
SDS-PAGE
(Tau Proteins: Representation of seven Tau proteins, from top to bottom: Tau-441, Tau-410, Tau-412, Tau-381, Tau-383, Tau-352 and Tau-316 (Tau Protein Marker; .)
Tau-441 (S199E), Recombinant Protein (Cat# AAA74019)
SDS-PAGE
(Tau Proteins: Representation of seven Tau proteins, from top to bottom: Tau-441, Tau-410, Tau-412, Tau-381, Tau-383, Tau-352 and Tau-316 (Tau Protein Marker; .)
Tau-441 (S198E), Recombinant Protein (Cat# AAA74023)
WB (Western Blot)
(Western Blot analysis for Recombinant Mono-nucleosomes (H3K27ac) Recombinant Mononucleosomes (H3K27ac) (Lane 1) and unmodified nucleosomes (Lane 2) were detected with anti- H3K27ac antibody and anti-H4 antibody, respectively. H4 was detected as loading control. Only Recombinant Mononucleosomes (H3K27ac) can be detected by anti-H3K27ac antibody.)
Mononucleosomes H3K27ac, Recombinant Protein (Cat# AAA60125)
Application Data
(HTRF for Recombinant YTHDF1 (380-533) protein activity 3 uM oligo m6A ssDNA (GTTGG/m6A/CTT) was incubated with different concentrations of YTHDF1 (380-533) protein in 10 ul reaction system containing 50 mM HEPES-NaOH pH 7.5, 0.1% BSA for 1 hour, then 10 ul DYKDDDDK antibody and SA-XL665 mixture (1:100 dilution in the same buffer) was added to each reaction system and incubated for 30 min. All the operations and reactions were performed at room temperature. HTRF assay was used for detection.)
YTHDF1, Recombinant Protein (Cat# AAA60135)
Application Data
PCTK1, Recombinant Protein (Cat# AAA73039)
SDS-PAGE
(Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)
RIPK2, Recombinant Protein (Cat# AAA73918)
SDS-PAGE
(Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)
BRAF (G469A), Recombinant Protein (Cat# AAA73264)
SDS-PAGE
(Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)
EPHA4, Recombinant Protein (Cat# AAA73515)
SDS-PAGE
(Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)
SDS-PAGE
(Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)
EGFR (d746-750 C797A), Recombinant Protein (Cat# AAA73436)
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.