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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 4300-4350 of 14112 product results


Acetylcholine receptor subunit beta (CHRNB1), Recombinant Protein (Cat# AAA81656)

Full Name
Recombinant Human Acetylcholine receptor subunit beta (CHRNB1), partial
Gene Names
CHRNB1; ACHRB; CHRNB; CMS1D; CMS2A; CMS2C; SCCMS
Purity
Greater or equal to 85% purity as determined by SDS-PAGE.
Pricing

Uricase (Uox), Recombinant Protein (Cat# AAA81680)

Full Name
Recombinant Mouse Uricase (Uox)
Gene Names
Uox; AI663847
Purity
Greater or equal to 85% purity as determined by SDS-PAGE.
Pricing

Ribonuclease 4 (RNASE4), Recombinant Protein (Cat# AAA81691)

Full Name
Recombinant Bovine Ribonuclease 4 (RNASE4)
Purity
Greater or equal to 85% purity as determined by SDS-PAGE.
Pricing

Guanine nucleotide-binding protein subunit alpha-12 (Gna12), Recombinant Protein (Cat# AAA81704)

Full Name
Recombinant Mouse Guanine nucleotide-binding protein subunit alpha-12 (Gna12)
Gene Names
Gna12; AI414047; AI504261; Galpha12
Purity
Greater or equal to 85% purity as determined by SDS-PAGE.
Pricing
product-image-AAA60371_AD13.jpg Application Data (HTRF assay for MBD2-MBD activity 1uM substrate DNA (5’-Biotin-GCAGCCGG/5mC/GCGAATC-3’) were incubated with different concentrations of MBD2-MBD protein in HTRF binding buffer contain 50mM HEPES-NaOH pH 7.4,0.1%BSA for 1 hour, Then 10ul detection reagents contain anti-His antibody (1:100) and SA-XL665 (1:100) diluted with 1× Detection Buffer were added and incubated for 30 min. All the operations and reactions were performed at room temperature. HTRF assay was used for detection.)

MBD2-MBD, Recombinant Protein (Cat# AAA60371)

Full Name
Recombinant MBD2-MBD protein
Pricing
product-image-AAA60372_AD13.jpg Application Data (HTRF assay for MBD4-MBD activity 1uM substrate DNA (5’-Biotin-GCAGCCGG/5mC/GCGAATC-3’) were incubated with different concentrations of MBD4-MBD protein in HTRF binding buffer contain 50mM HEPES-NaOH pH 7.4,0.1%BSA for 1 hour, Then 10ul detection reagents contain anti-His antibody (1:100) and SA-XL665 (1:100) diluted with 1× Detection Buffer were added and incubated for 30 min. All the operations and reactions were performed at room temperature. HTRF assay was used for detection.)

MBD4-MBD, Recombinant Protein (Cat# AAA60372)

Full Name
Recombinant MBD4-MBD protein
Pricing
product-image-AAA60379_AD13.jpg Application Data (AMP-Glo assay for UBE2A activity 7.9uM ubiquitin, 63 nM UBA1 and 25uM ATP were incubated with different concentrations of UBE2A in 10ul reaction system containing 40 mM Tris-HCl pH 7.4, 20 mM MgCl2, 0.5 mM DTT, 0.1 mg/ml BSA at 3 degree C for 1 hour. 10ul of AMP-Glo Reagent I was added to the reaction and incubated for 1 hour at room temperature. Then 20ul of AMP-Glo Detection Solution was added and luminescence was read after another 30 min incubation.)

UBE2A, Recombinant Protein (Cat# AAA60379)

Full Name
Recombinant UBE2A protein
Purity
>=95% by SDS-PAGE.
Pricing
product-image-AAA60381_AD13.jpg Application Data (AMP-Glo assay for UBE2E1 activity 7.9uM ubiquitin,63 nM UBA1 and 25uM ATP were incubated with different concentrations of UBE2E1 in 10ul reaction system containing 40 mM Tris-HCl pH 7.4, 20 mM MgCl2, 0.5 mM DTT, 0.1 mg/ml BSA at 3 degree C for 1 hour. 10ul of AMP-Glo Reagent I was added to the reaction and incubated for 1 hour at room temperature. Then 20ul of AMP-Glo Detection Solution was added and luminescence was read after another 30 min incubation.)

UBE2E1, Recombinant Protein (Cat# AAA60381)

Full Name
Recombinant UBE2E1 protein
Purity
>=95% by SDS-PAGE.
Pricing
product-image-AAA60384_AD13.jpg Application Data (HTRF assay for Recombinant NTRK1 (440-796, F589L) activity 1uM TK substrate was incubated with different concentrations of NTRK1 (440-796, F589L) protein in 10ul reaction system containing 1×Enzymatic Buffer, 5 mM MgCl2, 1 mM DTT 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.)

NTRK1, Recombinant Protein (Cat# AAA60384)

Full Name
Recombinant NTRK1 (440-796, F589L) protein
Pricing
product-image-AAA60386_AD11.jpg Application Data (HTRF assay for NTRK1 (440-796, A608D) activity 1uM TK substrate was incubated with different concentrations of NTRK1 (440-796, A608D) protein in 10ul reaction system containing 1×Enzymatic Buffer, 5 mM MgCl2, 1 mM DTT 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.)

NTRK1, Recombinant Protein (Cat# AAA60386)

Full Name
Recombinant NTRK1 (440-796, A608D) protein
Pricing
product-image-AAA60396_AD13.jpg Application Data (AMP-Glo assay for UBE2R2 activity 7.9uM ubiquitin, 63 nM UBA1 and 25uM ATP were incubated with different concentrations of UBE2R2 in 10ul reaction system containing 40 mM Tris-HCl pH 7.4, 20 mM MgCl2, 0.5 mM DTT, 0.1 mg/ml BSA at 37? for 1 hour. 10ul of AMP-Glo Reagent I was added to the reaction and incubated for 1 hour at room temperature. Then 20ul of AMP-Glo Detection Solution was added and luminescence was read after another 30 min incubation.)

UBE2R2, Recombinant Protein (Cat# AAA60396)

Full Name
Recombinant UBE2R2 protein
Purity
>=85% by SDS-PAGE.
Pricing
product-image-AAA60404_AD13.jpg Application Data (AMP-Glo assay for UBA1 activity 7.9uM ubiquitin and 25uM ATP were incubated with different concentrations of UBA1 in 10ul reaction system containing 40 mM Tris-HCl pH 7.4, 20 mM MgCl2, 0.5 mM DTT, 0.1 mg/ml BSA at 37? for 1 hour. 10ul of AMP-Glo Reagent I was added to the reaction and incubated for 1 hour at room temperature. Then 20ul of AMP-Glo Detection Solution was added and luminescence was read after another 30 min incubation.)

UBA1, Recombinant Protein (Cat# AAA60404)

Full Name
Recombinant UBA1 protein
Purity
>=95% by SDS-PAGE.
Pricing
product-image-AAA60412_AD11.jpg Application Data (HTRF Assay for Recombinant BRD2 activity 3 uM histone peptide H4K5/8/12/16(ac4) was incubated with BRD2 in reaction buffer including 50 mM HEPES-NaOH pH 7.0, 0.1% BSA for 1 hour at room temperature. Anti-DYKDDDDK antibody was used to detect reaction products. All the operations and reactions were performed at room temperature. HTRF assay was used for detection.)

BRD2, Recombinant Protein (Cat# AAA60412)

Full Name
Recombinant BRD2 protein
Purity
>=95% by SDS-PAGE.
Pricing
product-image-AAA60413_AD11.jpg Application Data (HTRF Assay for Recombinant BRD4 activity 3 uM histone peptide H4K5/8/12/16(ac4) was incubated with BRD4 in reaction buffer including 50 mM HEPES-NaOH pH 7.0, 0.1% BSA for 1 hour at room temperature. Anti-DYKDDDDK antibody was used to detect reaction products. All the operations and reactions were performed at room temperature. HTRF was used to detect the products.)

BRD4, Recombinant Protein (Cat# AAA60413)

Full Name
Recombinant BRD4 protein
Purity
>=95% by SDS-PAGE.
Pricing
product-image-AAA60416_AD13.jpg Application Data (ADP-Glo assay for CDK9/CyclinT1 Complex activity 0.2 ug/ul PDKtide peptide substrate was incubated with different concentrations of CDK9/CyclinT1 Complex protein in a 10 ul reaction system containing 40 mM Tris-HCl pH 7.4, 20 mM MgCl2, 50 uM DTT, 0.1 mg/ml BSA and 100 uM ATP for 1 hour, then add 10 ul ADP-Glo Reagent at RT for 60min.Then add 20 ul Kinase Detection Reagent incubates at RT for 60min. All the operations and reactions were performed at RT. Finally, Luminescence measurement is collected by BMG.)

CDK9/CyclinT1, Recombinant Protein (Cat# AAA60416)

Full Name
Recombinant CDK9/CyclinT1 protein complex
Pricing
product-image-AAA60419_AD13.jpg Application Data (ADP-Glo assay for PI3Ka/p85 Complex activity 0.125 ug/ul PI-3 Kinase Lipid Substrate was incubated with different concentrations of PI3Ka/p85 Complex protein in a 10 ul reaction system containing 40 mM Tris-HCl pH 7.4, 20 mM MgCl2, 50 uM DTT, 0.1 mg/ml BSA and 100 uM ATP for 1 hour, then add 10 ul ADP-Glo Reagent at RT for 60min.Then add 20 ul Kinase Detection Reagent incubates at RT for 60min. All the operations and reactions were performed at RT. Finally, Luminescence measurement is collected by BMG.)

PI3Kalpha/p85, Recombinant Protein (Cat# AAA60419)

Full Name
Recombinant PI3Kalpha/p85 protein complex
Pricing

HBV surface antigen, Recombinant Protein (Cat# AAA71893)

Full Name
HBV surface recombinant antigen HBsAg antigen 22 kDa Pichia pastoris recombinant
Applications
Lateral Flow
Purity
90% pure; Purity is evaluated by SDS-PAGE and by O.D at 280 nm.
Pricing

Growth differentiation factor 11, Recombinant Protein (Cat# AAA59114)

Full Name
Growth differentiation factor 11, GDF11
Gene Names
GDF11; BMP11; BMP-11
Pricing
product-image-AAA73633_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

c-KIT (V559D T670I), Recombinant Protein (Cat# AAA73633)

Full Name
c-KIT (V559D T670I), Active
Applications
Kinase Assay
Pricing
product-image-AAA73635_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

c-KIT (L576P), Recombinant Protein (Cat# AAA73635)

Full Name
c-KIT (L576P), Active
Applications
Kinase Assay
Pricing
product-image-AAA74074_SDS_PAGE15.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

T4 UvsY, Recombinant Protein (Cat# AAA74074)

Full Name
T4 UvsY Protein
Purity
>80%
Pricing
product-image-AAA74080_SDS_PAGE13.png SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

SAE1/UBA2 Complex, Recombinant Protein (Cat# AAA74080)

Full Name
SAE1/UBA2 Complex, Active
Applications
Western Blot
Pricing
product-image-AAA73962_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

LOK, Recombinant Protein (Cat# AAA73962)

Full Name
LOK, Active
Applications
Western Blot
Pricing
product-image-AAA73968_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

TSSK1B, Recombinant Protein (Cat# AAA73968)

Full Name
TSSK1B, Active
Applications
Western Blot
Pricing
product-image-AAA73983_SDS_PAGE13.jpg SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

TEC, Recombinant Protein (Cat# AAA73983)

Full Name
TEC, Active
Applications
Western Blot
Pricing
product-image-AAA73994_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

TIE2 (L914F), Recombinant Protein (Cat# AAA73994)

Full Name
TIE2 (L914F), Active
Applications
Kinase Assay
Pricing
product-image-AAA74007_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-441, BRSK2-phosphorylated, Recombinant Protein (Cat# AAA74007)

Full Name
Tau-441, BRSK2-phosphorylated
Gene Names
MAPT; TAU; MSTD; PPND; DDPAC; MAPTL; MTBT1; MTBT2; FTDP-17
Applications
Western Blot
Pricing
product-image-AAA74015_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-441, DYRK1A-phosphorylated & Biotinylated, Recombinant Protein (Cat# AAA74015)

Full Name
Tau-441, DYRK1A-phosphorylated & Biotinylated
Gene Names
MAPT; TAU; MSTD; PPND; DDPAC; MAPTL; MTBT1; MTBT2; FTDP-17
Applications
Western Blot
Pricing
product-image-AAA74107_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

USP28, Recombinant Protein (Cat# AAA74107)

Full Name
USP28, Active
Applications
Western Blot
Pricing
product-image-AAA73806_SDS_PAGE13.gif 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)

Full Name
PP2Aalpha/PPP2R1A Complex, Active
Applications
Western Blot
Pricing
product-image-AAA73869_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

TECR-PKN1, Recombinant Protein (Cat# AAA73869)

Full Name
TECR-PKN1 (Tex1Pex10), Active
Applications
Kinase Assay
Pricing
product-image-AAA73727_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

RON, Recombinant Protein (Cat# AAA73727)

Full Name
RON, Active
Applications
Western Blot
Pricing
product-image-AAA73893_SDS_PAGE13.jpg SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

RET (V804L), Recombinant Protein (Cat# AAA73893)

Full Name
RET (V804L), Active
Applications
Kinase Assay
Pricing

PTHrP, Recombinant Protein (Cat# AAA75452)

Full Name
PTHrP protein
Gene Names
PTHLH; HHM; PLP; BDE2; PTHR; PTHRP
Purity
> 98% pure
Pricing

HBcAg, Recombinant Protein (Cat# AAA75461)

Full Name
HBcAg protein
Applications
Western Blot
Purity
> 95% pure
Pricing

Hepatitis C Virus NS3, Recombinant Protein (Cat# AAA75470)

Full Name
Hepatitis C Virus NS3 protein
Applications
ELISA
Pricing
product-image-AAA73141_AD13.jpg Application Data (The purity of SIRT5 was determined to be >75% by densitometry. Approx. MW 39kDa)

SIRT5, Recombinant Protein (Cat# AAA73141)

Full Name
SIRT5, Active
Gene Names
SIRT5; SIR2L5
Applications
SIRT Assay
Purity
>75%
Pricing
product-image-AAA73148_AD15.gif Application Data (The purity of STAT5B protein was determined to be >90% by densitometry. Apporx. MW 95kDa.)

STAT5B, Recombinant Protein (Cat# AAA73148)

Full Name
STAT5B Protein
Gene Names
STAT5B; STAT5
Applications
SDS-PAGE
Purity
>90%
Pricing
product-image-AAA73166_AD13.jpg Purity Data (The purity of Dog ACE2 (18-739) Protein was determined to be >90% by densitometry. approx. MW 150kDa)

ACE2, Recombinant Protein (Cat# AAA73166)

Full Name
ACE2 (18-739) Protein
Purity
> 90%
Pricing
product-image-AAA73191_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

ABL1 (Y253F), Recombinant Protein (Cat# AAA73191)

Full Name
ABL1 (Y253F), Active
Applications
Kinase Assay
Pricing
product-image-AAA72986_AD13.gif Application Data

FLT3, Recombinant Protein (Cat# AAA72986)

Full Name
FLT3 Mutant (Y591-V592insVDFREYEYD), Active
Gene Names
FLT3; FLK2; STK1; CD135; FLK-2
Applications
Kinase Assay
Pricing
product-image-AAA72994_AD13.gif Application Data

JAK1, Recombinant Protein (Cat# AAA72994)

Full Name
JAK1 Mutant (d966-989) Protein
Gene Names
JAK1; JTK3; JAK1A; JAK1B
Applications
Kinase Assay
Pricing
product-image-AAA72996_AD13.gif Application Data

KAT2A, Recombinant Protein (Cat# AAA72996)

Full Name
KAT2A (GCN5), Active
Gene Names
KAT2A; GCN5; hGCN5; GCN5L2; PCAF-b
Pricing
product-image-AAA73008_AD13.gif Application Data

LRRK2, Recombinant Protein (Cat# AAA73008)

Full Name
LRRK2 Mutant (R1441C), Active
Gene Names
LRRK2; PARK8; RIPK7; ROCO2; AURA17; DARDARIN
Applications
Kinase Assay
Pricing
product-image-AAA73048_AD13.gif Application Data

PI4K2A, Recombinant Protein (Cat# AAA73048)

Full Name
PI4K2A, Active
Gene Names
PI4K2A; PI4KII; PIK42A
Applications
Kinase Assay
Pricing
product-image-AAA73422_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

DGKK, Recombinant Protein (Cat# AAA73422)

Full Name
DGKK Active
Pricing
product-image-AAA73425_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

DGKZ, Recombinant Protein (Cat# AAA73425)

Full Name
DGKZ, Active
Pricing
product-image-AAA73447_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

EGFR (L792H), Recombinant Protein (Cat# AAA73447)

Full Name
EGFR (L792H), Active
Applications
Kinase Assay
Pricing
product-image-AAA73563_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

FLT1, Recombinant Protein (Cat# AAA73563)

Full Name
FLT1, Active
Applications
Western Blot
Pricing
product-image-AAA73574_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

FER, Recombinant Protein (Cat# AAA73574)

Full Name
FER, Active
Applications
Western Blot
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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