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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 6450-6500 of 14112 product results


product-image-AAA60241_AD13.jpg Application Data (HTRF assay for JAK1 (866-1154) activity 1 uM TK substrate was incubated with different concentrations of JAK1 (866-1154) protein in a 10 ul reaction system containing 1×Enzymatic Buffer, 5 mM MgCl2, 1 mM MnCl2, 1 mM DTT, and 100 uM ATP for 1 hour. Then 10 ul detection reagents containing 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.)

JAK1, Recombinant Protein (Cat# AAA60241)

Full Name
Recombinant JAK1 (866-1154) protein
Gene Names
JAK1; JTK3; JAK1A; JAK1B
Pricing
product-image-AAA60246_AD13.jpg Application Data (HTRF assay for MER (528-999) activity 1 uM TK substrate was incubated with different concentrations of JAK1 (866-1154) protein in a 10 ul reaction system containing 1×Enzymatic Buffer, 5 mM MgCl2, 1 mM MnCl2, 1 mM DTT, and 100 uM ATP for 1 hour. Then 10 ul detection reagents containing 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.)

MER, Recombinant Protein (Cat# AAA60246)

Full Name
Recombinant MER (528-999) protein
Gene Names
MERTK; MER; RP38; c-mer
Pricing
product-image-AAA72900_AD15.jpg Purity (The purity of Rb was determined to be >90% by densitometry. Approx. MW 62kDa.)

Rb, Recombinant Protein (Cat# AAA72900)

Full Name
Rb recombinant protein
Gene Names
RB1; RB; pRb; OSRC; pp110; p105-Rb
Purity
>90%
Pricing
product-image-AAA72948_AD13.gif Application Data

EML4-ALK, Recombinant Protein (Cat# AAA72948)

Full Name
EML4-ALK Mutant, Active
Applications
Kinase Assay
Pricing
product-image-AAA72872_AD13.jpg Application Data (This protein does not contain any Trp residues. Experience shows that this could result in more than 10% error in the computed extinction coefficient. Therefore, we have meassured the protein concentration by using the colorimetric assay based on the interaction between Coomassie brilliant blue and the arginine and aromatic residues (Bradford Method) and its maximum absorption shifts from 470 nm to 595 nm. The standard curve was performed with the protein BSA. 40 ul of the protein were analysed.DO595 = 0.66)

Der p 10, Recombinant Protein (Cat# AAA72872)

Full Name
Recombinant allergen Der p 10 for Dermatophagoides pteronyssinus (European house dust mite)
Purity
17% SDS-PAGE
Pricing
product-image-AAA72873_AD13.jpg Application Data

Can f 5, Recombinant Protein (Cat# AAA72873)

Full Name
Recombinant allergen Can f 5 for Canis familiaris (Dog)
Purity
12% SDS-PAGE
Pricing
product-image-AAA72877_ELISA13.jpg ELISA (The cut-off has been suggested about an "in-house" ELISA kit. Each end-user should carry out an analysis for their particular application.)

pp150, Recombinant Protein (Cat# AAA72877)

Full Name
Recombinant antigen pp150 (aa 595 to 636) for Cytomegalovirus (CMV)
Applications
ELISA
Pricing
product-image-AAA72997_AD13.gif Application Data

KAT3A, Recombinant Protein (Cat# AAA72997)

Full Name
KAT3A (CREBBP), Active
Gene Names
CREBBP; CBP; RSTS; KAT3A; RSTS1
Purity
> 90%
Pricing
product-image-AAA73005_AD13.gif Application Data

LRRK2, Recombinant Protein (Cat# AAA73005)

Full Name
LRRK2 Mutant (R1441H), Active
Gene Names
LRRK2; PARK8; RIPK7; ROCO2; AURA17; DARDARIN
Applications
Kinase Assay
Pricing
product-image-AAA73007_AD13.gif Application Data

LRRK2, Recombinant Protein (Cat# AAA73007)

Full Name
LRRK2 Mutant (D1994A), Active
Gene Names
LRRK2; PARK8; RIPK7; ROCO2; AURA17; DARDARIN
Applications
Kinase Assay
Pricing
product-image-AAA73023_AD13.gif Application Data

MLL3, Recombinant Protein (Cat# AAA73023)

Full Name
MLL3 (KMT2C), Active
Gene Names
KMT2C; HALR; MLL3
Applications
Methyltransferase Assay
Pricing
product-image-AAA73044_AD13.gif Application Data

PIP5K1B, Recombinant Protein (Cat# AAA73044)

Full Name
PIP5K1B, Active
Gene Names
PIP5K1B; MSS4; STM7
Applications
Kinase Assay
Pricing
product-image-AAA73052_AD13.gif Application Data

PIK3C2G, Recombinant Protein (Cat# AAA73052)

Full Name
PIK3C2G, Active
Gene Names
PIK3C2G; PI3K-C2GAMMA; PI3K-C2-gamma
Applications
Kinase Assay
Pricing
product-image-AAA73056_AD13.gif Application Data

PI3K, Recombinant Protein (Cat# AAA73056)

Full Name
PI3K (p110 alpha/p85 alpha), Active
Gene Names
PIK3CA; MCM; CWS5; MCAP; PI3K; CLOVE; MCMTC; PI3K-alpha; p110-alpha
Applications
Kinase Assay
Pricing
product-image-AAA73136_AD13.gif Application Data

SUV420H1, Recombinant Protein (Cat# AAA73136)

Full Name
SUV420H1 (KMT5B), Active
Gene Names
KMT5B; CGI85; CGI-85; SUV420H1
Applications
Methyltransferase Assay
Pricing
product-image-AAA73140_AD13.jpg Application Data (The purity of SIRT3 was determined to be >70% by densitometry, approx. MW 66kDa.)

SIRT3, Recombinant Protein (Cat# AAA73140)

Full Name
SIRT3, Active
Gene Names
SIRT3; SIR2L3
Applications
SIRT Assay
Purity
>70%
Pricing
product-image-AAA73181_AD11.jpg Application Data (Figure 3. Binding ability measured in a functional ELISA. Immobilized human ACE2(19-740) protein (Fc tag) can bind to SARS-CoV Spike Protein S1 (His tag).)

SARS-CoV Spike S1, Recombinant Protein (Cat# AAA73181)

Full Name
SARS-CoV Spike Protein S1, HIS Tag
Pricing
product-image-AAA73722_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

TFG-MET, Recombinant Protein (Cat# AAA73722)

Full Name
TFG-MET (Tex5Mex15), Active
Applications
Kinase Assay
Pricing
product-image-AAA73724_SDS_PAGE13.gif SDS-PAGE (Purity: Sample purity data. for lot-specific data, please refer to the lot-specific datasheet.)

MINDY4, Recombinant Protein (Cat# AAA73724)

Full Name
MINDY4, Active
Pricing
product-image-AAA73777_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

NNMT, Recombinant Protein (Cat# AAA73777)

Full Name
NNMT (Dog), Active
Applications
Methyltransferase Assay
Pricing
product-image-AAA73317_SDS_PAGE13.gif SDS-PAGE (Purity: The purity was determined to be >90% by densitometry.)

COVID 19 Nucleocapsid CTD Coronavirus, Recombinant Protein (Cat# AAA73317)

Full Name
2019-nCoV Nucleocapsid protein CTD
Pricing
product-image-AAA73364_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

CHK2, Recombinant Protein (Cat# AAA73364)

Full Name
CHK2, Active
Pricing
product-image-AAA73566_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

FLT3-ITD-NPOS, Recombinant Protein (Cat# AAA73566)

Full Name
FLT3-ITD-NPOS, Active
Applications
Kinase Assay
Pricing
product-image-AAA73409_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

DGKB, Recombinant Protein (Cat# AAA73409)

Full Name
DGKB, Active
Applications
Kinase Assay
Pricing
product-image-AAA73417_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

DGKG, Recombinant Protein (Cat# AAA73417)

Full Name
DGKG, Active
Pricing
product-image-AAA73420_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see the related technical data sheet.)

DGKI, Recombinant Protein (Cat# AAA73420)

Full Name
DGKI, Active
Gene Names
DGKI; DGK-IOTA
Pricing

Cytokeratin 8, Recombinant Protein (Cat# AAA75419)

Full Name
Cytokeratin 8 protein
Gene Names
KRT8; K8; KO; CK8; CK-8; CYK8; K2C8; CARD2
Purity
>95% by SDS-PAGE
Pricing

PIGF1, Recombinant Protein (Cat# AAA75200)

Full Name
PIGF1 protein (His Tag)
Purity
> 95% pure
Pricing

Calreticulin, Recombinant Protein (Cat# AAA38792)

Full Name
Recombinant Human Calreticulin
Gene Names
CALR; RO; CRT; SSA; cC1qR; HEL-S-99n
Purity
Greater than 85% as determined by SDS-PAGE.
Pricing

Biliverdin Reductase B, Recombinant Protein (Cat# AAA38765)

Full Name
Recombinant Human Biliverdin Reductase B
Gene Names
BLVRB; FLR; BVRB; SDR43U1; HEL-S-10
Purity
Greater than 95.0% as determined by SDS-PAGE.
Pricing
product-image-AAA74100_SDS_PAGE13.jpg SDS-PAGE (The purity of USP11 was determined to be >90% by densitometry, approx. MW 136kDa.)

USP11, Recombinant Protein (Cat# AAA74100)

Full Name
USP11, Active
Applications
SDS-PAGE
Purity
>90%
Pricing
product-image-AAA73966_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

SIRT1, Recombinant Protein (Cat# AAA73966)

Full Name
SIRT1, Active
Applications
SIRT Assay
Pricing
product-image-AAA73998_SDS_PAGE13.gif 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-381, Recombinant Protein (Cat# AAA73998)

Full Name
Tau-381 Protein
Gene Names
MAPT; TAU; MSTD; PPND; DDPAC; MAPTL; MTBT1; MTBT2; FTDP-17
Applications
Western Blot
Pricing
product-image-AAA73946_SDS_PAGE15.gif SDS-PAGE (The purity of RFP was determined to be >90% by densitometry. Approx. MW 29 kDa)

RFP, Recombinant Protein (Cat# AAA73946)

Full Name
RFP Protein
Purity
>90%
Pricing
product-image-AAA59711_AD11.jpg Application Data (Recombinant SMARCA4 / BRG1 (1448-1569) HTRF activity assay. 3 uM H3K14ac peptide was incubated with different concentrations of SMARCA4 / BRG1 (1448-1569) protein in a 10 ul binding system containing 50 mM HEPES-NaOH pH 7.4, and 0.1% BSA for 1 hour, then 10 ul Anti-GST antibody and SA-XL665 mixture (each 1:100 dilution in Binding 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.)

SMARCA4/BRG1, Recombinant Protein (Cat# AAA59711)

Full Name
Recombinant SMARCA4/BRG1 (1448-1569), GST-Tag
Gene Names
SMARCA4; BRG1; SNF2; SWI2; MRD16; RTPS2; BAF190; SNF2L4; SNF2LB; hSNF2b; BAF190A
Purity
The recombinant protein is >90% pure by SDS-PAGE.
Pricing
product-image-AAA59716_WB13.jpg WB (Western Blot) (Recombinant KAT7 protein activity assay 0.5 ug Histone H4 was incubated with 0 ug (-), 0.4 ug (+) KAT7 in 20 ul reaction system for 2 hours at room temperature. Half of each reaction was run on a 13% SDS-PAGE gel, and products were detected by Western blot. H4ac (pan-acetyl) antibody was used to recognize acetylated histone H4.)

KAT7, Recombinant Protein (Cat# AAA59716)

Full Name
Recombinant KAT7 protein
Gene Names
KAT7; HBO1; HBOA; MYST2; ZC2HC7
Purity
The recombinant protein is >85% pure by SDS-PAGE.
Pricing
product-image-AAA59755_AD11.jpg Application Data (MTase-Glo assay for METTL3 / METTL14 Complex m6A methyltransferase activity 1 ?M Substrate RNA (UAGAGGACCAGUCGGACCAGUCGGACCGAU) and 1 ?M SAM was incubated with different concentrations of METTL3 / METTL14 Complex in an 8 ul reaction system containing 50 mM Tris-HCl pH 8.6, 0.02% Triton X-100, 2 mM MgCl2, and 1 mM TCEP at room temperature for 1 hour. 5xMTase-Glo Reagent was added to the products and incubated for 30 min, then MTase-Glo Detection was added and luminescence were read after another 30 min incubation. SAH standard curve (0-1 uM) was performed following the same protocol.)

METTL3/METTL14, Recombinant Protein (Cat# AAA59755)

Full Name
Recombinant METTL3/METTL14 complex
Gene Names
METTL3; M6A; IME4; Spo8; MT-A70
Pricing
product-image-AAA59638_AD13.jpg Application Data (SETD2 (1418-1714) activity assay. Recombinant SETD2 (1418-1714) activity measured using a chemiluminescent methyltransferase assay.)

SETD2, Recombinant Protein (Cat# AAA59638)

Full Name
Recombinant SETD2 (1418-1714) protein
Pricing
product-image-AAA59653_AD11.jpg Application Data (HTRF Assay for Recombinant PRC2 EZH2(Y641F) complex activity. 1 ?M histone H3K27me2 (21-44aa.) peptide was incubated with different concentrations of Recombinant PRC2 EZH2 (Y641F) Complex in reaction buffer including 50 mM Tris-HCl pH 8.6, 0.02% Triton X-100, 2 mM MgCl2, 1 mM TCEP and 50 ?M SAM for 3 hours at room temperature. Then 10 ?l anti-H3K27me3 antibody and SA-XL665 mixture (1:100 dilution in HTRF Detection Buffer) was added to each reaction system and incubated for 30 min at room temperature. HTRF assay was used for detection. Fluorenscence intensity at 620 nm and 665 nm were measured respectively. The final HTRF signal was obtained by formula: HTRF signal = F665/F620*10000.)

PRC2 EZH2, Recombinant Protein (Cat# AAA59653)

Full Name
Recombinant PRC2 EZH2 (Y641F) complex
Gene Names
EZH2; WVS; ENX1; EZH1; KMT6; WVS2; ENX-1; EZH2b; KMT6A
Purity
The recombinant protein is >85% pure by SDS-PAGE.
Pricing
product-image-AAA59662_AD13.jpg Application Data (Recombinant DNMT3A protein activity assay Recombinant DNMT3A protein activity was measured using DNMT Activity / Inhibition Assay, for 1 hour at 37 degree C)

DNMT3A, Recombinant Protein (Cat# AAA59662)

Full Name
Recombinant DNMT3A protein
Gene Names
DNMT3A; TBRS; DNMT3A2; M.HsaIIIA
Purity
The recombinant protein is >95% pure by SDS-PAGE.
Pricing

Paraoxonase 1 (PO-1), Recombinant Protein (Cat# AAA58756)

Full Name
Paraoxonase-1
Gene Names
PON1; ESA; PON; MVCD5
Purity
>95%
Pricing

Intercellular Adhesion Molecule-1 (ICAM-1), Recombinant Protein (Cat# AAA58745)

Full Name
Intercellular Adhesion Molecule-1 (ICAM-1)
Gene Names
ICAM1; BB2; CD54; P3.58
Purity
>95%
Pricing
product-image-AAA249423_SDS_PAGE13.jpg SDS-PAGE

GLUT1, Recombinant Protein (Cat# AAA249423)

Full Name
Recombinant Human GLUT1
Gene Names
SLC2A1; PED; DYT9; GLUT; DYT17; DYT18; EIG12; GLUT1; HTLVR; GLUT1DS
Purity
Greater than 90% as determined by SDS-PAGE
Pricing
product-image-AAA249430_SDS_PAGE15.png SDS-PAGE

hnRNP A2B1, Recombinant Protein (Cat# AAA249430)

Full Name
Recombinant Human hnRNP A2B1
Purity
Greater than 95% as determined by SDS-PAGE
Pricing
product-image-AAA258014_AD13.png Application Data (Measured by its binding ability in a functional ELISA. Immobilized IGFBP7 at 20 ug/ml (100 ul/well) can bind biotinylated human IGF2-nusa. The EC50 of biotinylated human IGF2-nusa is 0.57 ug/ml.)

IGFBP7, Recombinant Protein (Cat# AAA258014)

Full Name
IGFBP7 Protein, Human, Recombinant (His Tag)
Gene Names
IGFBP7; AGM; PSF; TAF; FSTL2; IBP-7; MAC25; IGFBP-7; RAMSVPS; IGFBP-7v; IGFBPRP1
Purity
>92% as determined by SDS-PAGE
Pricing
product-image-AAA258313_AD13.jpg Application Data (Immobilized ACE2 Protein, Human, Recombinant (mFc Tag)(Cat: 10108-H05H) at 2ug/mL (100uL/well) can bind SARS-CoV-2 Spike RBD (L452Q, F490S) Protein (His Tag)(Cat:40592-V08H113), the EC50 of SARS-CoV-2 Spike RBD (L452Q, F490S) Protein (His Tag)(Cat:40592-V08H113) is 8-48ng/mL.)

COVID 19 Spike RBD Coronavirus, Recombinant Protein (Cat# AAA258313)

Full Name
SARS-CoV-2 Spike RBD (L452Q, F490S) Protein (His Tag)
Purity
>95% as determined by SDS-PAGE
Pricing
product-image-AAA258130_SDS_PAGE15.jpg SDS-PAGE

PD-1, Recombinant Protein (Cat# AAA258130)

Full Name
PD-1 Protein, Mouse, Recombinant (ECD, His Tag)
Gene Names
Pdcd1; PD-1; Pdc1; Ly101
Purity
>95% as determined by SDS-PAGE. >95% as determined by SEC-HPLC
Pricing
product-image-AAA258042_SDS_PAGE15.jpg SDS-PAGE

Glycophorin A, Recombinant Protein (Cat# AAA258042)

Full Name
Glycophorin A Protein, Human, Recombinant (His Tag)
Gene Names
GYPA; MN; GPA; MNS; GPSAT; PAS-2; CD235a; GPErik; HGpMiV; HGpMiXI; HGpSta(C)
Purity
>95%% as determined by SDS-PAGE
Pricing
product-image-AAA249519_SDS_PAGE15.jpg SDS-PAGE

RNase 7, Recombinant Protein (Cat# AAA249519)

Full Name
Recombinant Human RNase 7
Purity
Greater than 95% by SDS-PAGE gel analyses
Pricing
product-image-AAA249450_SDS_PAGE15.png SDS-PAGE

Apolipoprotein CIII, Recombinant Protein (Cat# AAA249450)

Full Name
Recombinant Human Apolipoprotein CIII
Gene Names
APOC3; HALP2; APOCIII
Purity
Greater than 95%, determined by SDS-PAGE
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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