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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1,126 – 1,140 of 135,042 results

1,126

R&D Systems™ Recombinant Human CD40 Ligand/TNFSF5 (aa 108-261) Protein

A New rh CD40 Ligand is Available! ∼1000 fold better activity; HEK293 expressed; HA tag!

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)	M.W. (Observed): 18 kDa, reducing conditions; M.W. (theoretical): 16.9 kDa (monomer)
Gene Symbol	CD40LG
Quantity	50 μg
Endotoxin Concentration	<0.10 EU / 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°C to -70°C as supplied. 3 months, 2°C to 8°C under sterile conditions after reconstitution.
For Use With (Application)	Bioactivity
Protein	CD40 Ligand/TNFSF5
Source	E. coli-derived human CD40 Ligand/TNFSF5 protein Glu108-Leu261, with an N-terminal Met
Name	CD40 Ligand/TNFSF5 aa 108-261
Accession Number	P29965
Gene ID (Entrez)	959
Recombinant	Recombinant

1,127

R&D Systems™ Recombinant Mouse Neutrophil Elastase/ELA2 Protein

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

Pricing & Availability

1,128

R&D Systems™ Recombinant Human Amphiregulin 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)	11 kDa
Gene ID (Entrez)	374
Quantity	100 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 Amphiregulin protein Ser101-Lys198
Recombinant	Recombinant
Name	Amphiregulin

1,129

R&D Systems™ Recombinant Human Prolactin 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

1,130

R&D Systems™ Recombinant Human RAGE Fc Chimera Protein

Extensive quality control produces lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Binding Activity

Pricing & Availability

1,131

R&D Systems™ Recombinant Human Vitronectin 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

1,132

R&D Systems™ Recombinant Human IL-2 Heat Stable Agonist Protein, CF

AI Modified Protein

Pricing & Availability
Specifications

Accession Number	Engineered based on P60568.1
Conjugate	Unconjugated
Gene Alias	aldesleukin, IL2, IL-2, IL-2lymphokine, interleukin 2, interleukin-2, involved in regulation of T-cell clonal expansion, Proleukin, T cell growth factor, T-cell growth factor, TCGF
Gene ID (Entrez)	3558
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 500 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	IL-2
Source	E. coli-derived human IL-2 protein Proprietary

1,133

R&D Systems™ Recombinant Human IL-2 (CD122-Directed) Protein, CF

AI Modified Protein

Pricing & Availability
Specifications

Accession Number	P60568.1
Conjugate	Unconjugated
Gene Alias	aldesleukin, IL2, IL-2, IL-2lymphokine, interleukin 2, interleukin-2, involved in regulation of T-cell clonal expansion, Proleukin, T cell growth factor, T-cell growth factor, TCGF
Molecular Weight (g/mol)	M.W.-observed: 12-14 kDa, under reducing conditions., M.W.-theroretical: 15 kDa
Gene ID (Entrez)	3558
Formulation	Lyophilized from a 0.2 μm filtered solution in Sodium Acetate with Trehalose.
Reconstitution	Reconstitute the 10 μg size at 100 μg/mL in water. Reconstitute all the other sizes at 500 μg/mL in water.
Endotoxin Concentration	<0.20 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	IL-2
Source	E. coli-derived human IL-2 protein Ala21-Thr153 (C145S) with and without an N-terminal Met Proprietary point mutations

1,134

R&D Systems™ Recombinant Human IL-2 (C145S, HEK293-expressed) Protein

Contains the Cysteine to Serine substitution found in Proleukin™ (aldesleukin)

Pricing & Availability
Specifications

Accession Number	P60568.1
Purity or Quality Grade	>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
Conjugate	Unconjugated
Gene Alias	aldesleukin, IL2, IL-2, IL-2 lymphokine, interleukin 2, interleukin-2, involved in regulation of T-cell clonal expansion, Proleukin, T cell growth factor, T-cell growth factor, TCGF
Molecular Weight (g/mol)	M.W.-observed: 14-18 kDa, under reducing conditions., M.W.-theroretical: 15 kDa
Gene ID (Entrez)	3558
Formulation	Lyophilized from a 0.2 μm filtered solution in Acetonitrile and TFA with Trehalose.
Reconstitution	Reconstitute at 100-500 μg/mL in sterile 100 mM Acetic Acid.
Endotoxin Concentration	<0.10 EU / 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°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.
Protein	IL-2
Source	Human embryonic kidney cell, HEK293-derived human IL-2 protein Ala21-Thr153 (Cys145Ser)

1,135

MP Biomedicals™ Albumin, Bovine, For IVD, Low Ash and Metals

Prepared by heat shock fractionation

Pricing & Availability
Specifications

Form	Powder
pH Range	6.5 to 7.5
Molecular Weight (g/mol)	66.338
Storage Requirements	2° to 8°C
For Use With (Application)	ELISA,Microbial Culture
Source	Bovine
Name	Bovine Albumin Fraction V

1,136

R&D Systems™ Recombinant Human TNF-alpha 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

1,137

R&D Systems™ Recombinant Human FGF-9 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)	23 kDa
Gene ID (Entrez)	2254
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. 3 months, 2 to 8° C under sterile conditions after reconstitution.
Recombinant	Recombinant
Name	FGF-9

1,138

R&D Systems™ Recombinant Human Aminopeptidase B/RNPEP Protein

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

Pricing & Availability

1,139

R&D Systems™ Recombinant Human Carboxylesterase 2/CES2 Protein

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

Pricing & Availability

1,140

R&D Systems™ Recombinant Human Carboxylesterase 1/CES1 Protein

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

Pricing & Availability

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R&D Systems™ Recombinant Human TNF-alpha Protein GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

R&D Systems™ Recombinant Human TNF-alpha Protein