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Recombinant Proteins

At AAA Biotech, we offer a comprehensive selection of high-quality recombinant proteins for use in a wide range of research areas, including immunology, neuroscience, stem cell research, cancer research and more. No matter whether you need recombinant proteins for cell expansion, polarization, differentiation, or cell processing applications, we have got you covered.


Our recombinant proteins undergo rigorous quality testing. So, you can rely on AAA Biotech for high-quality recombinant proteins to support your research. Explore our catalog to find the right protein for your research needs.


Viewing 650-700 of 14112 product results


product-image-AAA20251_SDS_PAGE2.jpg SDS-PAGE

Phospholipase A2, Cytosolic (cPLA2), Recombinant Protein (Cat# AAA20251)

Full Name
Recombinant Phospholipase A2, Cytosolic (cPLA2)
Gene Names
PLA2G4A; PLA2G4; cPLA2-alpha
Applications
Western Blot
Purity
>90%
Pricing
product-image-AAA11062_SDS_PAGE.jpg SDS-PAGE

COVID 19 NSP15 Coronavirus, Recombinant Protein (Cat# AAA11062)

Full Name
Recombinant SARS-CoV-2 (2019-nCoV) NSP15
Applications
Immunogen
Purity
>90% as determined by SDS-PAGE
Pricing
product-image-AAA10848_SDS_PAGE.gif SDS-PAGE

Paraoxonase-1, Recombinant Protein (Cat# AAA10848)

Full Name
Recombinant Human Paraoxonase-1
Gene Names
PON1; ESA; PON; MVCD5
Applications
Western Blot, Immunoprecipitation
Purity
Greater than 95% as determined by SDS-PAGE. Single band on Western Blot.
Pricing
product-image-AAA13697_SDS_PAGE.jpg SDS-PAGE (purified HA (H3N2)(A/ Singapore/INFIMH-16-0019/2016) protein)

HA (A/Singapore/INFIMH-16-0019/2016), Recombinant Protein (Cat# AAA13697)

Full Name
HA (A/Singapore/INFIMH-16-0019/2016)(H3N2)(aa 17-529)
Applications
Western Blot
Purity
>95% pure by 10% SDS PAGE gel
Pricing
product-image-AAA27710_APP6.png Application Data (Coomassiegelstainofhumandopamine-stabilizedalphasynucleinoligomers(AAA27710).Load:2ug.)

Alpha Synuclein Oligomers (Dopamine HCL Stabilized), Recombinant Protein (Cat# AAA27710)

Full Name
Human Recombinant Alpha Synuclein Oligomers (Dopamine HCL Stabilized)
Gene Names
SNCA; PD1; NACP; PARK1; PARK4
Applications
Western Blot
Purity
>95%; Ion-exchange Purified. Monomeric alpha synuclein was removed via filtration.
Pricing
product-image-AAA11060_SDS_PAGE.jpg SDS-PAGE

COVID 19 NSP12 Coronavirus, Recombinant Protein (Cat# AAA11060)

Full Name
Recombinant SARS-CoV-2 (2019-nCoV) NSP12
Applications
Immunogen
Purity
>90% as determined by SDS-PAGE
Pricing
product-image-AAA20241_SDS_PAGE3.jpg SDS-PAGE

Laminin Alpha 3 (LAMa3), Recombinant Protein (Cat# AAA20241)

Full Name
Recombinant Laminin Alpha 3 (LAMa3)
Gene Names
LAMA3; E170; LOCS; BM600; LAMNA; lama3a
Applications
Western Blot
Purity
> 90%
Pricing
product-image-AAA13790_SDS_PAGE.jpg SDS-PAGE (SDS-PAGE: purified HA (A/Wisconsin/588/2019)(H1N1)pdm09-like virus (reducing condition))

HA (A/Wisconsin/588/2019)(H1N1)-pdm09-like virus, Recombinant Protein (Cat# AAA13790)

Full Name
HA (A/Wisconsin/588/2019)(H1N1)-pdm09-like virus
Applications
Western Blot
Purity
> 95% (SDS-PAGE)
Pricing
product-image-AAA13757_SDS_PAGE.jpg SDS-PAGE (SDS-PAGE: Purified Spike (1-1190)(SARS-Coronavirus BJ02) protein)

Spike(Beijing02)(SARS-CoV), Recombinant Protein (Cat# AAA13757)

Full Name
Spike (aa 1-1190)(Beijing02)(SARS-CoV)
Applications
Western Blot
Pricing
product-image-AAA23380_SDS_PAGE.jpg SDS-PAGE

Aspergillus fumigatus (asp f 1), Recombinant Protein (Cat# AAA23380)

Full Name
Aspergillus fumigatus (asp f 1)
Applications
Chemiluminescence Immunoassay, Lateral Flow, Western Blot
Purity
> 90% pure by SDS-PAGE
Ligand affinity chromatography
Pricing
product-image-AAA14241_SDS_PAGE2.jpg SDS-PAGE (Purity Control in SDS-PAGE: 15%SDS-PAGE analysis (15%) of 10 ul of recombinant allergen. Purity is >95% as determined by gel electrophoresis.)

Fel d 1, Recombinant Protein (Cat# AAA14241)

Full Name
Recombinant allergen Fel d 1 for Felis domesticus (cat)
Applications
ELISA
Pricing
product-image-AAA20239_SDS_PAGE2.jpg SDS-PAGE

FK506 Binding Protein 5 (FKBP5), Recombinant Protein (Cat# AAA20239)

Full Name
Recombinant FK506 Binding Protein 5 (FKBP5)
Gene Names
FKBP5; P54; AIG6; FKBP51; FKBP54; PPIase; Ptg-10
Reactivity
Human
Applications
Western Blot
Purity
>95%
Pricing
product-image-AAA13453_SDS_PAGE.jpg SDS-PAGE

Zika Virus NS1, Recombinant Protein (Cat# AAA13453)

Full Name
Zika Virus NS1 Recombinant
Applications
Lateral Flow, Chemiluminescence Immunoassay
Purity
>85% Pure (SDS PAGE). Affinity Chromatography
Pricing
product-image-AAA11801_SDS_PAGE.png SDS-PAGE (3ug by SDS-PAGE under reducing condition and visualized by coomassie blue stain.)

RPA2, Recombinant Protein (Cat# AAA11801)

Full Name
RPA2, 1-270aa, Human, His tag, E Coli
Gene Names
RPA2; REPA2; RPA32; RP-A p32; RP-A p34
Applications
SDS-PAGE
Purity
> 90% by SDS-PAGE
Pricing
product-image-AAA14245_APP.jpg Application Data

14-3-3 zeta, Recombinant Protein (Cat# AAA14245)

Full Name
14-3-3 zeta recombinant protein
Gene Names
YWHAZ; YWHAD; KCIP-1; 14-3-3-zeta
Applications
Western Blot
Purity
> 80%
Pricing
product-image-AAA13702_SDS_PAGE.jpg SDS-PAGE (SDS-PAGE: purified hemagglutinin mosaic protein (Measles virus))

Hemagglutinin, Recombinant Protein (Cat# AAA13702)

Full Name
Hemagglutinin Protein (Measles Morbillivirus)
Applications
Western Blot
Purity
>= 95% purity
Pricing
product-image-AAA13610_SDS_PAGE.jpg SDS-PAGE (Nucleoprotein (NP) of SARS-CoV-2)

COVID 19 Nucleocapsid (NP) Coronavirus, Recombinant Protein (Cat# AAA13610)

Full Name
COVID-19 Nucleocapsid protein (NP)
Applications
Functional Assay, Immunoassay
Purity
>95% by SDS-PAGE
Pricing
product-image-AAA13759_SDS_PAGE.jpg SDS-PAGE (SDS-PAGE (4-20%): in vitro expressed and purified HBsAg ayw protein)

HBsAg ayw, Recombinant Protein (Cat# AAA13759)

Full Name
HBsAg ayw, Hepatitis B Surface Antigen Ayw subtype, Saccharomyces
Applications
Western Blot
Purity
> 95% pure by SDS-PAGE
Pricing
product-image-AAA14642_SDS_PAGE.jpg SDS-PAGE

Dengue 1 full length envelope, Recombinant Protein (Cat# AAA14642)

Full Name
Dengue 1 full length envelope 45kDa
Applications
Immunoassay
Purity
>95% pure (10% SDS-PAGE, Coomassie blue stain). Proprietary chromatographic technique
Pricing
product-image-AAA14640_APP.jpg Application Data

Group 2 Norovirus, Recombinant Protein, Recombinant Protein (Cat# AAA14640)

Full Name
Virus like particle formed by group 2 Norovirus capsid antigen.
Applications
Immunoassay
Purity
90% (10% SDS-PAGE, Coomassie stain). Proprietary chromatographic technique
Pricing
product-image-AAA14645_WB.jpg WB (Western Blot)

CagA, Recombinant Protein (Cat# AAA14645)

Full Name
Helicobacter pylori CagA antigen
Applications
Lateral Flow, Western Blot
Purity
>95% pure (10% SDS-PAGE, Coomassie blue stain)
Pricing
product-image-AAA20243_SDS_PAGE3.jpg SDS-PAGE

Prostaglandin E Synthase, Microsomal (PTGES), Recombinant Protein (Cat# AAA20243)

Full Name
Recombinant Prostaglandin E Synthase, Microsomal (PTGES)
Gene Names
PTGES; PGES; MPGES; PIG12; PP102; PP1294; MGST-IV; MGST1L1; TP53I12; mPGES-1; MGST1-L1
Applications
Western Blot
Purity
> 90%
Pricing
product-image-AAA13794_SDS_PAGE.jpg SDS-PAGE (4-20% SDS-PAGE: Purified gH/gL(EBV) protein complex)

EBV (HHV-4) gH/gL protein complex, Recombinant Protein (Cat# AAA13794)

Full Name
EBV (HHV-4) gH/gL protein complex
Applications
Western Blot
Purity
> 95% pure by 10% SDS-PAGE gel
Pricing
product-image-AAA13750_APP.jpg Application Data

gp120 (ADA) (HIV-1/Clade B), Recombinant Protein (Cat# AAA13750)

Full Name
gp120 (ADA) (HIV-1/Clade B) (aa 34-518), monomer only
Applications
Western Blot
Purity
>= 95% (SDS-PAGE)
Pricing
product-image-AAA14519_WB2.jpg WB (Western Blot) (Western Blot analysis of 10 ng Lin28a protein (Prod. No. AAA14519) probed withLane 1: polyclonal anti-Lin28 antibodyLane 2: anti-6x His tag antibody.)

Lin28a, Recombinant Protein (Cat# AAA14519)

Full Name
Lin28a (full-length) (human), (recombinant)
Gene Names
LIN28A; CSDD1; LIN28; LIN-28; ZCCHC1; lin-28A
Applications
Western Blot
Purity
>95% (SDS-PAGE)
Purified by multi-step chromatography
Pricing
product-image-AAA14252_SDS_PAGE.jpg SDS-PAGE (The purity of ERK1 was determined to be >85% by densitometry.Approx. MW 44kDa.)

ERK1, Recombinant Protein (Cat# AAA14252)

Full Name
ERK1, Unactive recombinant protein
Gene Names
MAPK3; ERK1; ERT2; ERK-1; PRKM3; P44ERK1; P44MAPK; HS44KDAP; HUMKER1A; p44-ERK1; p44-MAPK
Applications
Kinase Assay, Western Blot
Purity
>85%
Pricing

Dengue Virus NS1 Type 2, Recombinant Protein (Cat# AAA10858)

Full Name
Recombinant Dengue Virus NS1 Type 2
Applications
Immunoassay
Purity
Protein is >85% pure as determined by 10% SDS-PAGE (coomassie staining).
Pricing
product-image-AAA13691_APP.jpg Application Data (SDS-PAGE: purified HA (H3N2)(A/Hong Kong/4801/2014) protein)

HA (A/Hong Kong/7/4801/2014(H3N2), Recombinant Protein (Cat# AAA13691)

Full Name
HA (A/Hong Kong/7/4801/2014(H3N2) (aa 17-529)
Applications
Western Blot
Purity
>95% pure by 10% SDS PAGE gel
Pricing
product-image-AAA13611_SDS_PAGE2.jpg SDS-PAGE

COVID 19 Spike Protein S1 Receptor-Binding Domain (S1RBD) Coronavirus, Recombinant Protein (Cat# AAA13611)

Full Name
COVID-19 Spike Protein S1 Receptor-Binding Domain (S1RBD)
Applications
Functional Assay, Immunoassay
Purity
>95% pure by SDS-PAGE
Pricing
product-image-AAA20993_SDS_PAGE2.jpg SDS-PAGE

Moesin, Recombinant Protein (Cat# AAA20993)

Full Name
Recombinant Moesin (MSN)
Gene Names
MSN; HEL70
Reactivity
Homo sapiens (Human)
Applications
Western Blot
Purity
> 90%
Pricing

Dengue Virus Subtype 3 Envelope 45kDa, Recombinant Protein (Cat# AAA10877)

Full Name
Recombinant Dengue Virus Subtype 3 Envelope 45kDa
Applications
Immunoassay
Purity
Protein is >95% pure as determined by 10% PAGE (coomassie staining).
Purified by proprietary chromatographic technique.
Pricing
product-image-AAA11056_SDS_PAGE.jpg SDS-PAGE

COVID 19 3C-like Proteinase Coronavirus, Recombinant Protein (Cat# AAA11056)

Full Name
Recombinant SARS-CoV-2 (2019-nCoV) 3C-like Proteinase
Applications
Immunogen
Purity
>90% as determined by SDS-PAGE quantitive densitometry by Coomassie Blue Staining.
Pricing

Api m 2, Recombinant Protein (Cat# AAA20034)

Full Name
rApi m 2 (Apis mellifera 2.0101)
Applications
ELISA
Purity
Purified by sequential steps of ion exchange and affinity chromatography.
Purified Azide Free
Pricing
product-image-AAA13779_SDS_PAGE.jpg SDS-PAGE (SDS-PAGE: purified HA (A/Guangdong-Maonan/SWL1536/2019)(H1N1) protein)

HA (A/Guangdong-Maonan/SWL1536/2019)(H1N1)-pdm09-like virus, Recombinant Protein (Cat# AAA13779)

Full Name
HA (A/Guangdong-Maonan/SWL1536/2019)(H1N1)-pdm09-like virus
Applications
Western Blot
Purity
>95% pure by 12% SDS PAGE gel
Pricing
product-image-AAA13767_SDS_PAGE.jpg SDS-PAGE (Purified Phlebovirus glycoprotein G2 (SFTS virus HN6))

Membrane Glycoprotein G2 of Phlebovirus, Recombinant Protein (Cat# AAA13767)

Full Name
Membrane Glycoprotein G2 of Phlebovirus (SFTS virus HN6)
Applications
Western Blot
Purity
> 95% (SDS-PAGE gel)
Pricing
product-image-AAA13769_SDS_PAGE.jpg SDS-PAGE (SDS-PAGE: Purified S1 protein (aa 1-725) of MERS-CoV)

MERS CoV Spike S1, Recombinant Protein (Cat# AAA13769)

Full Name
Spike Protein (S1)(aa 1-725) of MERS CoV
Applications
Western Blot
Purity
> 95% (by SDS PAGE)
Pricing
product-image-AAA11057_SDS_PAGE.jpg SDS-PAGE

COVID 19 NSP12 Coronavirus, Recombinant Protein (Cat# AAA11057)

Full Name
Recombinant SARS-CoV-2 (2019-nCoV) NSP12
Applications
Immunogen
Purity
>90% as determined by SDS-PAGE
Pricing
product-image-AAA11058_SDS_PAGE.jpg SDS-PAGE

COVID 19 NSP10 Coronavirus, Recombinant Protein (Cat# AAA11058)

Full Name
Recombinant SARS-CoV-2 (2019-nCoV) NSP10
Applications
Immunogen
Purity
>90% as determined by SDS-PAGE quantitive densitometry by Coomassie Blue Staining.
product-image-AAA14243_SDS_PAGE.gif SDS-PAGE (The purity was determined to be >95% by densitometry. Approximately MW 120kDa)

STAT3, Recombinant Protein (Cat# AAA14243)

Full Name
STAT3 recombinant protein
Gene Names
STAT3; APRF; HIES
Applications
Kinase Assay, Western Blot
Purity
>95%
Pricing
product-image-AAA27949_ELISA.jpg ELISA (ELISA plate was coated by N protein, 100 uL/cell, at various concentrations. The direct ELISA analysis was performed by loading 100 uL per well of a anti C-ter His tag HRP conjugated mAb at a concentration of 1:2000. The plate was incubated for 1 hours at 37 degree C, then washed 5 time. Detection was performed using TMB substrate for 10 minutes at room temperature in the dark. The plate was stopped with 2M sulfuric acid. Absorbances were read on a spectrophotometer at 450 nm.)

COVID 19 Nucleocapsid (NP) N3 fragment (C-ter domain) Coronavirus, Recombinant Protein (Cat# AAA27949)

Full Name
2019-nCov Nucleocapsid Recombinant Protein N3 fragment (C-ter domain)
Applications
ELISA
Purity
Purity: >95% by SDS-page
Purification: Ni column
Pricing

Herpes Simplex Virus-1 gD, Recombinant Protein (Cat# AAA10907)

Full Name
Recombinant Herpes Simplex Virus-1 gD (84-175 a.a.)
Purity
>95% pure as determined by SDS-PAGE
Pricing
product-image-AAA13753_APP.jpg Application Data (SDS-PAGE Data: Purified HIV-1 gp120 (YU2) (Clade B) protein)

HIV-1 gp120, Recombinant Protein (Cat# AAA13753)

Full Name
HIV-1 gp120 (YU2) (Clade B) protein (amino acid 34-518)
Applications
Western Blot
Purity
>= 95% purity(SDS-PAGE)
Pricing
product-image-AAA13704_SDS_PAGE3.jpg SDS-PAGE (4-15% Tris-glycine (native non-reducing condition): purified gH/gL/gp42(EBV) protein complex)

EBV (HHV-4) gH/gL/gp42, Recombinant Protein (Cat# AAA13704)

Full Name
EBV (HHV-4) gH/gL/gp42 Protein Complex
Applications
Western Blot
Purity
>95% pure by 10% SDS-PAGE gel
Pricing
product-image-AAA13768_SDS_PAGE.jpg SDS-PAGE (NS1 protein (West Nile Virus))

NS1 Protein (West Nile virus), Recombinant Protein (Cat# AAA13768)

Full Name
NS1 Protein (West Nile virus)
Applications
Western Blot
Purity
>90% purity (SDS-PAGE)
Pricing
product-image-AAA14249_SDS_PAGE.jpg SDS-PAGE (The purity of IRS 1 was determined to be >8O% by densitometry. Approx. MW 118kDa.)

IRS1, Recombinant Protein (Cat# AAA14249)

Full Name
IRS1 recombinant protein
Gene Names
IRS1; HIRS-1
Applications
SDS-PAGE
Purity
>80%
Pricing
product-image-AAA18688_SDS_PAGE.png SDS-PAGE

papillomavirus type 18 Protein E6, Recombinant Protein (Cat# AAA18688)

Full Name
Recombinant Human papillomavirus type 18 Protein E6
Applications
Calibrator, Standard
Purity
SDS-PAGE >90%
Pricing
product-image-AAA14635_APP.jpg Application Data

Hepatitis C, Recombinant Protein (Cat# AAA14635)

Full Name
Hepatitis C virus core antigen
Applications
Lateral Flow
Purity
>95% pure (10% SDS-PAGE Coomasie blue staining).
Pricing
product-image-AAA13788_SDS_PAGE.jpg SDS-PAGE (SDS-PAGE (4-20%): purified full-length spike (aa 16-1208) protein (SARS-CoV-2))

COVID 19 Spike Protein Coronavirus, Recombinant Protein (Cat# AAA13788)

Full Name
Spike Protein of SARS-CoV-2 (COVID-19)
Applications
Western Blot
Purity
>95% (by SDS PAGE)
Pricing
product-image-AAA13752_APP.jpg Application Data (SDS-PAGE: Purified HIV-1 gp120 (JRFL) (Clade B) protein)

gp120 (JRFL) (HIV-1/Clade B), Recombinant Protein (Cat# AAA13752)

Full Name
gp120 (JRFL) (HIV-1/Clade B) (aa 34-518)
Applications
Western Blot
Purity
≥ 95% purity (SDS-PAGE)
Pricing
product-image-AAA23381_SDS_PAGE.jpg SDS-PAGE

Dermatophagoides farinae (der f 2), Recombinant Protein (Cat# AAA23381)

Full Name
Dermatophagoides farinae (der f 2)
Applications
Chemiluminescence Immunoassay, Lateral Flow, Western Blot
Purity
> 90% pure by SDS-PAGE
Ligand affinity chromatography
Pricing

What Are Recombinant Proteins?


Recombinant proteins are purified laboratory reagents produced through genetic engineering. A specific gene of interest is inserted into a host organism, such as mammalian, bacterial, yeast, or insect cells, which then expresses the protein in a controlled environment.


The recombinant process utilized to generate the recombinant proteins in our catalog provides precise control over sequence modifications, expression levels, and large-scale production tailored to experimental needs. These recombinants are widely used in research to investigate protein-protein interactions, enzyme activities, receptor-ligand binding, and cellular responses. Additionally, recombinant proteins serve as standards or controls in immunostaining assays and support cell growth and differentiation in culture systems, particularly in immunology, oncology, and structural biology studies.


Common Applications of Recombinant Proteins


  • Studying protein-protein and protein-DNA interactions

  • Functional assays to study biological pathways

  • Standard curves in ELISA and other quantitative assays

  • Use as antigens for antibody production

  • Development and screening of therapeutic drugs

  • Biomarker discovery and validation

  • Cell signaling and immune response studies

  • Vaccine research and development


Key Features of AAA Biotech’s Recombinant Proteins


  • High Purity: Most proteins are purified to ≥95% using affinity chromatography and other validated techniques.

  • Biological Activity: If functional activity is tested and confirmed for a given protein, it will be noted directly on the product page.

  • Multiple Expression Systems: Available in E. coli, HEK293, CHO, yeast, and insect cells to match your assay requirements.

  • Custom Tags Available: His-tag, GST, FLAG, and Fc fusion options for easy purification and detection.

  • Wide Range of Targets: Cytokines, growth factors, enzymes, receptors, signaling proteins, and more.

  • Validated Consistency: Lot-to-lot consistency ensured through rigorous QC protocols.

  • Flexible Quantities: Available in various pack sizes to suit different experimental needs.

  • Ready-to-Use Format: Lyophilized or liquid formulations that are easy to reconstitute and use.


Why Buy Recombinant Proteins from AAA Biotech?


At AAA Biotech, we are committed to supporting the research community with recombinant proteins that offer 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.


With competitive pricing, global shipping, and dedicated technical support, AAA Biotech makes it simple and convenient to source the high-quality recombinant proteins your work depends on.


FAQ


1. 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.


2. 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.


3. 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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