Recombinant Proteins

Modified or manipulated proteins encoded by recombinant DNA and suitable for a variety of purposes including the modification of gene sequences, mass protein production, and the manufacture of commercial products.

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10,891 – 10,905 of 121,305 results

10,891

R&D Systems™ Recombinant Human Active MEK2 Protein, CF

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility.

Pricing & Availability

10,892

R&D Systems™ Recombinant Human NT-3 Protein, CF

(CHO expressed)

Pricing & Availability
Specifications

Accession Number	P20783.1
Conjugate	Unconjugated
Gene Alias	HDNF, MGC129711, Nerve growth factor 2, Neurotrophic factor, neurotrophin 3, neurotrophin-3, NGF2, NGF-2, NT3, NT-3, NTF3
Molecular Weight (g/mol)	M.W.-observed: 12-15 kDa, under reducing conditions, M.W.-theroretical: 14 kDa
Gene ID (Entrez)	4908
Formulation	Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
Reconstitution	Reconstitute the 10 μg size at 100 μg/mL in PBS. Reconstitute all other sizes at 250 μg/mL in PBS.
Endotoxin Concentration	<0.10 EU per 1 μg of the protein by the LAL method.
Storage Requirements	Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70 °C as supplied. 1 month, 2 to 8 °C under sterile conditions after reconstitution. 3 months, -20 to -70 °C under sterile conditions after reconstitution.
For Use With (Application)	Bioactivity
Protein	NT-3
Source	Chinese Hamster Ovary cell line, CHO-derived human NT-3 protein Tyr139-Thr257

10,893

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R&D Systems™ Recombinant Mouse CXCL11/I-TAC Protein

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Bioactivity

Pricing & Availability
Specifications

Purity or Quality Grade	97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Conjugate	Unconjugated
Molecular Weight (g/mol)	9.1 kDa
Gene ID (Entrez)	56066
Quantity	25 μg
Storage Requirements	Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70° C as supplied. 1 month, 2 to 8° C under sterile conditions after reconstitution. 3 months, -20 to -70° C under sterile conditions after reconstitution.
Source	E. coli-derived mouse CXCL11/I-TAC protein Phe22-Met100
Recombinant	Recombinant
Name	CXCL11/I-TAC

10,894

R&D Systems™ Recombinant Human Frizzled-8 Fc Biotinylated Protein

Frizzled-8 is one of at least ten seven-transmembrane (7TM) glycoproteins of the Frizzled family of Wnt receptors

Pricing & Availability

10,895

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R&D Systems™ Recombinant Rat CD25/IL-2R alpha Fc Chimera Protein

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility.

Pricing & Availability

10,896

R&D Systems™ Recombinant SARS-CoV-2 Spike His Protein

Ectodomain, Stabilized Prefusion Conformation, Resistant to Furin Cleavage

Pricing & Availability
Specifications

Accession Number	YP_009724390.1
Purity or Quality Grade	>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
Conjugate	Unconjugated
Gene Alias	2019-nCoV S Protein, 2019-nCoV Spike, COVID-19 Spike, E2, Human coronavirus spike glycoprotein, Peplomer protein, S glycoprotein, S Protein, SARS-CoV-2, SARS-COV-2 S protein, SARS-COV-2 Spike glycoprotein, SARSCOV2 Spike protein, Severe Acute Respiratory Syndrome Coronavirus 2 Spike Protein, Spike glycoprotein, surface glycoprotein
Molecular Weight (g/mol)	M.W. Observed: 144-175 kDa, under reducing conditions, M.W. Theoretical: 134 kDa
Gene ID (Entrez)	43740568
Storage Requirements	Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20°C to -70°C as supplied. 1 month, 2°C to 8°C under sterile conditions after reconstitution. 3 months, -20°C to -70°C under sterile conditions after reconstitution.
For Use With (Application)	Bioactivity
Protein	SARS-CoV-2 Spike
Source	Human embryonic kidney cell, HEK293-derived sars-cov-2 Spike protein Val16-Lys1211 (Arg682Ser, Arg685Ser, Lys986Pro and Val987Pro) with a C-terminal 6-His tag Suitable for use in serological assay development

10,897

R&D Systems™ Recombinant Cynomolgus PSMA/FOLH1/NAALADase I Protein

Measured by its ability to hydrolyze the substrate N-acetyl-L-Asp-L-Glu into N-acetyl-L-Asp and L-Glu.

Pricing & Availability

10,898

R&D Systems™ Recombinant Rat CD155/PVR Fc Chimera Protein

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility.

Pricing & Availability

10,899

R&D Systems™ Recombinant SARS-CoV-2 AY.1/AY.2 Spike RBD His Protein

Delta Plus

Pricing & Availability

10,900

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R&D Systems™ Recombinant Human IL-2 Biotinylated Protein

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility.

Pricing & Availability

10,901

R&D Systems™ Recombinant Mouse Cadherin-4/R-Cadherin Protein

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility.

Pricing & Availability

10,902

R&D Systems™ Recombinant Mouse Iduronate 2-sulfatase Protein

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility.

Pricing & Availability

10,903

R&D Systems™ Recombinant Mouse Kirrel2/NEPH3 Protein

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility.

Pricing & Availability

10,904

R&D Systems™ Recombinant Human NRG1-alpha/HRG1-alpha EGF Domain Protein

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Bioactivity

Pricing & Availability
Specifications

Purity or Quality Grade	97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Conjugate	Unconjugated
Molecular Weight (g/mol)	7 kDa
Gene ID (Entrez)	3084
Quantity	50 μg
Storage Requirements	Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70° C as supplied. 1 month, 2 to 8° C under sterile conditions after reconstitution. 3 months, -20 to -70° C under sterile conditions after reconstitution.
Source	E. coli-derived human Neuregulin-1 alpha/NRG1 alpha protein Ser177-Lys241
Recombinant	Recombinant
Name	Neuregulin-1 alpha/NRG1 alpha EGF Domain

10,905

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R&D Systems™ Recombinant Human IL-28A/IFN-lambda 2 Protein

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Bioactivity

Pricing & Availability
Specifications

Purity or Quality Grade	97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Conjugate	Unconjugated
Molecular Weight (g/mol)	20.8 kDa
Gene ID (Entrez)	282616
Quantity	25 μg
Storage Requirements	Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70° C as supplied. 1 month, 2 to 8° C under sterile conditions after reconstitution. 3 months, -20 to -70° C under sterile conditions after reconstitution.
Source	Mouse myeloma cell line,NS0-derived human IL-28A/IFN-lambda 2 protein, (N-terminus) Human IL-28A Val26-Val200 Accession &Num; NP_742150 DI 6-His tag (C-terminus)
Recombinant	Recombinant
Name	IL-28A/IFN-lambda 2

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