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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 5600-5650 of 14112 product results


product-image-AAA47338_SDS_PAGE13.jpg SDS-PAGE (Figure 1. Human MICB Protein, His Tag on SDS-PAGE under reducing condition.)

MICB, Recombinant Protein (Cat# AAA47338)

Full Name
Human MICB Protein, His Tag
Gene Names
MICB; PERB11.2
Purity
>95%. Affinity purification
Pricing
product-image-AAA47340_SDS_PAGE13.jpg SDS-PAGE (Figure 1. Human VEGFR2 Protein, His Tag on SDS-PAGE under reducing condition.)

VEGFR2, Recombinant Protein (Cat# AAA47340)

Full Name
Human VEGFR2 Protein, His Tag
Gene Names
KDR; FLK1; CD309; VEGFR; VEGFR2
Purity
>95%. Affinity purification
Pricing
product-image-AAA47351_SDS_PAGE13.jpg SDS-PAGE (Figure 1. Human BTLA Protein, hFc Tag on SDS-PAGE under reducing condition.)

BTLA, Recombinant Protein (Cat# AAA47351)

Full Name
Human BTLA Protein, hFc Tag
Gene Names
BTLA; BTLA1; CD272
Purity
>95%. Affinity purification
Pricing
product-image-AAA47372_SDS_PAGE13.jpg SDS-PAGE (Figure 1. Human IL1B Protein, hFc Tag on SDS-PAGE under reducing condition.)

IL1B, Recombinant Protein (Cat# AAA47372)

Full Name
Human IL1B Protein, hFc Tag
Gene Names
IL1B; IL-1; IL1F2; IL1-BETA
Purity
Affinity purification
Pricing
product-image-AAA47376_SDS_PAGE13.jpg SDS-PAGE (Figure 1. Human FOLR2 Protein, hFc Tag on SDS-PAGE under reducing condition.)

FOLR2, Recombinant Protein (Cat# AAA47376)

Full Name
Human FOLR2 Protein, hFc Tag
Gene Names
FOLR2; FBP; FR-P3; FR-BETA; BETA-HFR; FBP/PL-1
Purity
Affinity purification
Pricing

Irisin, Recombinant Protein (Cat# AAA79324)

Full Name
Human Irisin
Gene Names
ZXDC; ZXDL
Purity
> 90% by SDS-PAGE & HPLC analyses
Pricing
product-image-AAA78593_ELISA10.jpg ELISA (Figure 5: Binding activity of Recombinant Human PD-L1 Fc Fusion Protein to PD-1/CHO stable cell line (14-500ACL) was analyzed by cell based ELISA. PD-1/CHO cells were plated into 96 well ELISA plate over night. Next day, plate was washed in PBS and fixed in fixation buffer for 15 min. Cells were blocked in blocking reagent for 30 min. Then, Recombinant Human PD-L1 Fc Fusion Protein was added in different dilution to cells and incubated in room temp. for 1 hr. Plate was wash 3 times in TBST wash buffer. Goat anti-human HRP was added and incubated at room temp. for 30 min. Then plate was washed 4 times in TBST and analyzed in ELISA reader in 450 nm.)

PD-L1 Fc Fusion, Recombinant Protein (Cat# AAA78593)

Full Name
Recombinant Human PD-L1 Fc Fusion Protein (Active)
Applications
Western Blot, Flow Cytometry, Functional Assay
Purity
99% Purity SDS -PAGE and HPLC.
Pricing
product-image-AAA78984_AD11.jpg Application Data

Glucose 6-phosphate dehydrogenase, Recombinant Protein (Cat# AAA78984)

Full Name
Recombinant Glucose 6-phosphate dehydrogenase
Pricing

Uteroglobin, Recombinant Protein (Cat# AAA79216)

Full Name
Human Uteroglobin
Gene Names
SCGB1A1; UGB; UP1; CC10; CC16; CCSP; UP-1; CCPBP
Reactivity
Human
Pricing
product-image-AAA81591_SDS_PAGE15.jpg SDS-PAGE

AP-2 complex subunit mu, Recombinant Protein (Cat# AAA81591)

Full Name
Recombinant Human AP-2 complex subunit mu protein
Gene Names
AP2M1; mu2; AP50; CLAPM1
Purity
Greater or equal to 85% purity as determined by SDS-PAGE.
Pricing
product-image-AAA81609_SDS_PAGE15.jpg SDS-PAGE

Replication protein A 32 kDa subunit (RPA2), Recombinant Protein (Cat# AAA81609)

Full Name
Recombinant Human Replication protein A 32 kDa subunit (RPA2), partial
Gene Names
RPA2; REPA2; RPA32; RP-A p32; RP-A p34
Purity
Greater or equal to 85% purity as determined by SDS-PAGE.
Pricing
product-image-AAA81622_SDS_PAGE15.jpg SDS-PAGE

Tumor necrosis factor receptor superfamily member 1A, Recombinant Protein (Cat# AAA81622)

Full Name
Recombinant Human Tumor necrosis factor receptor superfamily member 1A
Gene Names
TNFRSF1A; FPF; MS5; p55; p60; TBP1; TNF-R; TNFAR; TNFR1; p55-R; CD120a; TNFR55; TNFR60; TNF-R-I; TNF-R55; TNFR1-d2
Purity
Greater or equal to 85% purity as determined by SDS-PAGE.
Pricing
product-image-AAA81626_SDS_PAGE15.jpg SDS-PAGE

Interleukin-18, Recombinant Protein (Cat# AAA81626)

Full Name
Recombinant human Interleukin-18
Gene Names
IL18; IL-18
Purity
Greater or equal to 85% purity as determined by SDS-PAGE.
Pricing
product-image-AAA81627_SDS_PAGE15.jpg SDS-PAGE

WD repeat-containing protein 1, Recombinant Protein (Cat# AAA81627)

Full Name
Recombinant Human WD repeat-containing protein 1
Gene Names
WDR1; AIP1; NORI-1; HEL-S-52
Purity
Greater or equal to 85% purity as determined by SDS-PAGE.
Pricing

Large neutral amino acids transporter small subunit 1 (SLC7A5), Recombinant Protein (Cat# AAA81660)

Full Name
Recombinant Human Large neutral amino acids transporter small subunit 1 (SLC7A5), partial
Gene Names
SLC7A5; E16; CD98; LAT1; 4F2LC; MPE16; D16S469E
Purity
Greater or equal to 85% purity as determined by SDS-PAGE.
Pricing
product-image-AAA81669_SDS_PAGE15.jpg SDS-PAGE

Keratin, type II cytoskeletal 4, Recombinant Protein (Cat# AAA81669)

Full Name
Recombinant Human Keratin, type II cytoskeletal 4
Purity
Greater or equal to 85% purity as determined by SDS-PAGE.
Pricing
product-image-AAA81670_SDS_PAGE15.jpg SDS-PAGE

Heat shock 70 kDa protein 13, Recombinant Protein (Cat# AAA81670)

Full Name
Recombinant Human Heat shock 70 kDa protein 13
Gene Names
HSPA13; STCH
Purity
Greater or equal to 85% purity as determined by SDS-PAGE.
Pricing
product-image-AAA81675_SDS_PAGE15.jpg SDS-PAGE

Calcium/calmodulin-dependent protein kinase type IV, Recombinant Protein (Cat# AAA81675)

Full Name
Recombinant Rat Calcium/calmodulin-dependent protein kinase type IV
Gene Names
Camk4; Ccdpk; RDPK
Purity
Greater or equal to 85% purity as determined by SDS-PAGE.
Pricing

Retinoblastoma-associated protein (RB1), Recombinant Protein (Cat# AAA81681)

Full Name
Recombinant Human Retinoblastoma-associated protein (RB1) , partial
Gene Names
RB1; RB; pRb; OSRC; pp110; p105-Rb; PPP1R130
Purity
Greater or equal to 85% purity as determined by SDS-PAGE.
Pricing
product-image-AAA81715_SDS_PAGE15.jpg SDS-PAGE

Protoporphyrinogen oxidase, Recombinant Protein (Cat# AAA81715)

Full Name
Recombinant Human Protoporphyrinogen oxidase
Gene Names
PPOX; VP; PPO; V290M
Purity
Greater or equal to 85% purity as determined by SDS-PAGE.
Pricing
product-image-AAA60363_AD11.jpg 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.)

EPHA2, Recombinant Protein (Cat# AAA60363)

Full Name
Recombinant EPHA2 (561-976) protein
Pricing
product-image-AAA60364_AD11.jpg 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.)

EPHB1, Recombinant Protein (Cat# AAA60364)

Full Name
Recombinant EPHB1 (565-984) protein
Pricing
product-image-AAA60365_AD13.jpg 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.)

EPHB3, Recombinant Protein (Cat# AAA60365)

Full Name
Recombinant EPHB3 (585-998) protein
Pricing
product-image-AAA60389_AD11.jpg Application Data (HTRF assay for EPHA5 (620-1037) activity 1 uM TK substrate was incubated with different concentrations of EPHA5 (620-1037) protein in a 10 ul reaction system containing 1×Enzymatic Buffer, 5 mM MgCl2,1mM MnCl2, 1 mM DTT, 5nM SEB and 100 uM ATP for 1 hour. Then 10 ul 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.)

EPHA5, Recombinant Protein (Cat# AAA60389)

Full Name
Recombinant EPHA5 (620-1037) protein
Pricing
product-image-AAA60390_AD11.jpg Application Data (HTRF assay for EPHB2 (570-987) activity 1 uM TK substrate was incubated with different concentrations of EPHB2 (570-987) protein in a 10 ul reaction system containing 1×Enzymatic Buffer, 5 mM MgCl2,1 mM MnCl2, 1 mM DTT, 5nM SEB and 100 uM ATP for 1 hour. Then 10 ul 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.)

EPHB2, Recombinant Protein (Cat# AAA60390)

Full Name
Recombinant EPHB2 (570-987) protein
Pricing
product-image-AAA60394_AD13.jpg Application Data (AMP-Glo assay for UBE2D3 activity 7.9uM ubiquitin,63 nM UBA1 and 25uM ATP were incubated with different concentrations of UBE2D3 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.)

UBE2D3, Recombinant Protein (Cat# AAA60394)

Full Name
Recombinant UBE2D3 protein
Purity
>=95% by SDS-PAGE.
Pricing

GST A3-3, Recombinant Protein (Cat# AAA71851)

Full Name
GST A3-3, Recombinant Human
Gene Names
GSTA3; GTA3; GSTA3-3
Purity
95% as assessed by inspection on a Coomassie Blue-stained SDS-PAGE gel.
Pricing

CRP, Recombinant Protein (Cat# AAA59078)

Full Name
CRP Protein (Active)
Applications
ELISA
Purity
>95% by SDS-PAGE
Pricing

Cytokeratin 19, CK19, Recombinant Protein (Cat# AAA59081)

Full Name
Cytokeratin 19, CK19 Protein (Active)
Applications
SDS-PAGE, ELISA
Purity
>95% by SDS-PAGE
Pricing

Cytokeratin 20, CK20, Recombinant Protein (Cat# AAA59082)

Full Name
Cytokeratin 20, CK20 Protein (Active)
Applications
SDS-PAGE, ELISA
Purity
>95% by SDS-PAGE
Pricing
product-image-AAA73808_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

PHKG2, Recombinant Protein (Cat# AAA73808)

Full Name
PHKG2, Active
Applications
Kinase Assay
Pricing
product-image-AAA73812_SDS_PAGE13.png SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

PAD2, Recombinant Protein (Cat# AAA73812)

Full Name
PAD2, Active
Gene Names
Padi2; Pdi; Pdi2; mKIAA0994
Pricing
product-image-AAA73813_SDS_PAGE13.png SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

PAD3, Recombinant Protein (Cat# AAA73813)

Full Name
PAD3, Active
Pricing
product-image-AAA73888_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

RAF1, Recombinant Protein (Cat# AAA73888)

Full Name
RAF1, Active
Applications
Kinase Assay
Pricing

Bacillus Anthracis, Recombinant Protein (Cat# AAA75323)

Full Name
Bacillus Anthracis (Anthrax) protein (Protective Antigen)
Pricing

CKMB, Recombinant Protein (Cat# AAA75420)

Full Name
CKMB protein
Gene Names
CKM; CKMM; M-CK
Applications
ELISA
Purity
> 99% pure
Pricing

CRP, Recombinant Protein (Cat# AAA75426)

Full Name
CRP protein
Gene Names
CRP; PTX1
Pricing

LYVE1, Recombinant Protein (Cat# AAA75250)

Full Name
LYVE1 protein (Mouse)
Purity
> 95% pure by SDS-PAGE and visualized by silver stain.
Pricing
product-image-AAA73142_AD13.jpg Application Data (The purity of SIRT6 was determined to be >90% by densitometry. Approx. MW 39kDa.)

SIRT6, Recombinant Protein (Cat# AAA73142)

Full Name
SIRT6, Active
Gene Names
SIRT6; SIR2L6
Purity
>90%
Pricing
product-image-AAA72975_AD13.gif Application Data

COMT, Recombinant Protein (Cat# AAA72975)

Full Name
COMT, Active
Gene Names
COMT; HEL-S-98n
Applications
Methyltransferase Assay
Pricing
product-image-AAA72980_AD13.gif Application Data

DNMT3A, Recombinant Protein (Cat# AAA72980)

Full Name
DNMT3A, Active
Gene Names
DNMT3A; TBRS; DNMT3A2; M.HsaIIIA
Applications
Methyltransferase Assay
Pricing
product-image-AAA72981_AD13.gif Application Data

EHMT1, Recombinant Protein (Cat# AAA72981)

Full Name
EHMT1 (KMT1D), Active
Gene Names
EHMT1; GLP; GLP1; KMT1D; FP13812; EUHMTASE1; Eu-HMTase1; bA188C12.1
Applications
Methyltransferase Assay
Pricing
product-image-AAA73010_AD13.gif Application Data

LRRK2, Recombinant Protein (Cat# AAA73010)

Full Name
LRRK2 Mutant (G2385R), Active
Gene Names
LRRK2; PARK8; RIPK7; ROCO2; AURA17; DARDARIN
Applications
Kinase Assay
Pricing
product-image-AAA73421_SDS_PAGE13.gif SDS-PAGE (Purity: Sample purity data. For lot specific data, please refer to the respective datasheet.)

DGKK, Recombinant Protein (Cat# AAA73421)

Full Name
DGKK, Active
Pricing
product-image-AAA73424_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# AAA73424)

Full Name
DGKZ, Active
Applications
Kinase Assay
Pricing
product-image-AAA73431_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

EGFR, Recombinant Protein (Cat# AAA73431)

Full Name
EGFR, Active
Pricing
product-image-AAA73582_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

GNAI1, Recombinant Protein (Cat# AAA73582)

Full Name
GNAI1, Active
Applications
ELISA
Pricing
product-image-AAA73583_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

GNAI2, Recombinant Protein (Cat# AAA73583)

Full Name
GNAI2, Active
Applications
ELISA
Pricing
product-image-AAA73360_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

CDK9/CyclinT1, Recombinant Protein (Cat# AAA73360)

Full Name
CDK9/CyclinT1, Active
Pricing
product-image-AAA73241_SDS_PAGE13.gif SDS-PAGE (Purity: Sample Purity Data. For specific information on a given lot, see related technical data sheet.)

TPM1-ALK, Recombinant Protein (Cat# AAA73241)

Full Name
TPM1-ALK, Active
Applications
Kinase Assay
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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