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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1,246 – 1,260 of 134,992 results

1,246

R&D Systems™ Recombinant Human FGF-4 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)	17 kDa
Gene ID (Entrez)	2249
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 human FGF-4 protein Ser54-Leu206
Recombinant	Recombinant
Name	FGF-4

1,247

R&D Systems™ Recombinant Mouse IL-4 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
Gene Alias	B cell growth factor 1, BCDF, B-cell stimulatory factor 1, BCGF1, BCGF-1, binetrakin, BSF1, BSF-1, IL4, IL-4B_cell stimulatory factor 1, IL4E12, interleukin 4, interleukin-4, Lymphocyte stimulatory factor 1, MGC79402, Pitrakinra
Molecular Weight (g/mol)	14 kDa
Gene ID (Entrez)	16189
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 IL-4 protein His23-Ser140,with an N-terminal Met
Recombinant	Recombinant
Name	IL-4

1,248

R&D Systems™ Recombinant Human IL-15 Protein, Animal-Free

Animal-Free.

Pricing & Availability
Specifications

Accession Number	P40933.1
Conjugate	Unconjugated
Gene Alias	IL15, IL-15 mgC9721, interleukin 15, interleukin-15
Molecular Weight (g/mol)	MolecularWeight-observed: 9 kDa, under reducing conditions; MolecularWeight-theroretical: 13 kDa
Gene ID (Entrez)	3600
Formulation	Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
Reconstitution	Reconstitute at 100-500 μg/mL in PBS.
Storage Requirements	Store the unopened product at -20°C to -70°C. Use a manual defrost freezer and avoid repeated freeze-thaw cycles. Do not use past expiration date.
For Use With (Application)	Bioactivity
Protein	IL-15

1,249

R&D Systems™ Recombinant Human NT-3 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

1,250

R&D Systems™ Recombinant Mouse Endostatin Protein

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

Pricing & Availability

1,251

R&D Systems™ Recombinant Human LSECtin/CLEC4G Protein, CF

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

Pricing & Availability

1,252

R&D Systems™ E. coli Beta Lactamase Recombinant Protein

A Novus product, part of R&D Systems. Highly purified and high bioactivity. Generating reliable and reproducible results. Applications: Functional, SDS-Page, Bioactivity

Pricing & Availability
Specifications

Purity or Quality Grade	>80% by SDS-PAGE
Conjugate	Unconjugated
Molecular Weight (g/mol)	41.8 kDa
Gene Symbol	ampC
Storage Requirements	Store at 4°C short term. Aliquot and store at −20°C long term. Avoid freeze-thaw cycles
For Use With (Application)	Bioactivity
Source	E.coli
Name	ampC Recombinant Protein
Regulatory Status	RUO
Gene Alias	AmpC, EC 3.4, FLJ14902
Product Type	Recombinant Protein
Formulation	20mM Tris-HCl buffer (pH8.0) containing 10% glycerol
Cross Reactivity	E.coli
Recombinant	Recombinant

1,253

R&D Systems™ Recombinant Human COX-2 His-tag Protein

Carrier Free Recombinant Protein

Pricing & Availability

1,254

R&D Systems™ Recombinant Mouse PDGF-AB Protein

Recombinant Protein

Pricing & Availability
Specifications

Accession Number	P20033.2 (A chain) & P31240.1 (B chain)
Purity or Quality Grade	>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
Conjugate	Unconjugated
Molecular Weight (g/mol)	M.W.-observed: 17.5 kDa (A chain) & 12.5 kDa (B chain), under reducing conditions., M.W.-theroretical: 14 kDa (A chain) & 12 kDa (beta chain)
Gene ID (Entrez)	5154
Formulation	Lyophilized from a 0.2 μm filtered solution in Acetonitrile and TFA.
Reconstitution	Reconstitute at 100 μg/mL in 4 mM HCl.
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.
For Use With (Application)	Bioactivity
Protein	PDGF-AB
Source	E. coli-derived mouse PDGF-AB protein Mouse PDGF-A (Ser87-Thr211) (N-terminus)Accession # P20033.2 (C-terminus)

1,255

R&D Systems™ Recombinant Human CD35 Protein

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

Pricing & Availability

1,256

R&D Systems™ Recombinant Human beta-NGF 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
Gene ID (Entrez)	4803
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	Mouse myeloma cell line,NS0-derived human beta-NGF protein Ser122-Ala241
Recombinant	Recombinant
Name	beta-NGF

1,257

MP Biomedicals™ Albumin, Bovine, For IVD, Low IgG

Prepared by heat shock fractionation

Pricing & Availability
Specifications

Form	Crystalline
pH Range	7
Molecular Weight (g/mol)	∽66
Storage Requirements	0° to 5°C
For Use With (Application)	Immunoassay,Mammalian Cell Culture
Source	Bovine Blood
Name	Bovine Blood Albumin Fraction V

1,258

R&D Systems™ Human Holo-Transferrin 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	90%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Conjugate	Unconjugated
Gene ID (Entrez)	7018
Formulation	Lyophilized from a 0.2 μm filtered solution in NH 4 HCO 3 .
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	Human plasma-derived Holo-Transferrin protein The human plasma used for the isolation of this product were certified by the supplier to be HIV-1 and HBsAg negative at the time of shipment. Human blood products should always be treated in accordance with universal handling precautions.
Name	Holo-Transferrin

1,259

R&D Systems™ Recombinant Human Angiopoietin-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)	50.1 kDa
Gene ID (Entrez)	285
Structural Form	Oligomer
Source	Mouse myeloma cell line,NS0-derived human Angiopoietin-2 protein Tyr19-Phe496,with a C-terminal 6-His tag
Recombinant	Recombinant
Name	Angiopoietin-2

1,260

R&D Systems™ Recombinant Human GM-CSF (CHO-expressed) 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	>95%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Conjugate	Unconjugated
Molecular Weight (g/mol)	M.W. (Observed): 20-35 kDa, reducing conditions; M.W. (theoretical): 14.5 kDa
Gene Symbol	CSF2
Endotoxin Concentration	<0.01 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.
For Use With (Application)	Bioactivity
Protein	GM-CSF
Source	Chinese Hamster Ovary cell line, CHO-derived human GM-CSF protein Ala18-Glu144
Name	GM-CSF
Accession Number	P04141
Gene Alias	colony stimulating factor 2 (granulocyte-macrophage), Colony-stimulating factor, CSF, CSF2, CSF-2, GMCSF, GM-CSF, GMCSFgranulocyte-macrophage colony-stimulating factor, granulocyte-macrophage colony stimulating factor, MGC131935, MGC138897, Molgramostim, molgramostin, sargramostim
Gene ID (Entrez)	1437
Formulation	Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution	Reconstitute at 100 μg/mL in PBS.
Recombinant	Recombinant

Recombinant Proteins

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R&D Systems™ Recombinant Mouse IL-4 Protein GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

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

R&D Systems™ Recombinant Human GM-CSF (CHO-expressed) Protein GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

R&D Systems™ Recombinant Mouse IL-4 Protein

R&D Systems™ Recombinant Human beta-NGF Protein

R&D Systems™ Recombinant Human GM-CSF (CHO-expressed) Protein