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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1,096 – 1,110 of 135,042 results

1,096

R&D Systems™ Recombinant Human BMP-15 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

1,097

MP Biomedicals™ Pepsin, from Porcine

Pepsin, from Porcine≥1:10,000, Off-white Lyophilized Powder

Pricing & Availability

1,098

R&D Systems™ Recombinant Mouse TNF-alpha (aa 80-235) 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

1,099

R&D Systems™ Recombinant Human LIF Protein

A Novus product, part of R&D Systems. Recombinant Protein

Pricing & Availability
Specifications

Purity or Quality Grade	>98% pure by SDS-PAGE and HPLC
Molecular Weight (g/mol)	19.7 kDa
Gene Symbol	LIF
Endotoxin Concentration	Less than 1 EU/ug of LIF as determined by LAL method.
Storage Requirements	Store at -20°C to -70°C as supplied. After reconstitution, store at 2°C to 8°C for 1 month and at -20°C to -70°C for long term storage. Avoid repeated freeze-thaw cycles.
Concentration	LYOPH
For Use With (Application)	PAGE,Bioactivity
Protein	LIF
Accession Number	P15018, P15018, P15018
Gene Alias	CDF, D factor, DIA, differentiation inhibitory activity, differentiation stimulating factor, Differentiation-stimulating factor, Emfilermin, HILDAcholinergic differentiation factor, leukemia inhibitory factor, leukemia inhibitory factor (cholinergic differentiation factor), Melanoma-derived LPL inhibitor, MLPLI
Gene ID (Entrez)	3976
Formulation	Lyophilized from a 0.2 um filtered concentrated solution in PBS, pH 7.4.
Research Category	Biologically Active Proteins, Cell Cycle and Replication, Stem Cell Lines
Reconstitution	Recommended to centrifuge prior to opening. Reconstitute in sterile distilled water or aqueous buffer containing 0.1% BSA to a concentration of 0.1-0.2mg/mL. Apportion stock solutions into working aliquots and store at <-20°C.

1,100

R&D Systems™ Recombinant Human CD40 Ligand/TNFSF5 (Histidine-tagged)

A New rh CD40 Ligand is Now Available! ∼10 fold better activity; HEK293 expressed; HA tag!

Pricing & Availability
Specifications

Purity or Quality Grade	>97%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
Conjugate	Unconjugated
Molecular Weight (g/mol)	M.W. (Observed): 18 kDa, reducing conditions; M.W. (theoretical): 17.7 kDa (monomer)
Gene Symbol	CD40LG
Quantity	25 μg
Endotoxin Concentration	<0.01 EU / 1 μg of the protein by the LAL method.
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 and 6-His tag
Name	CD40 Ligand/TNFSF5 (Histidine-tagged)
Accession Number	P29965
Gene ID (Entrez)	959
Structural Form	Homotrimer
Recombinant	Recombinant

1,101

R&D Systems™ Recombinant Human IL-23 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
Gene ID (Entrez)	51561
Quantity	10 μg
Source	Spodoptera frugiperda,Sf 21 (baculovirus)-derived human IL-23 protein, (N-terminus) Human IL-23 p40 (Ile23-Ser328) Accession &Num; P29460 GSGSSRGGSGSGGSGGGGSKL Human IL-23 p19 (Arg20-Pro189) Accession &Num; AAG37232 (C-terminus)
Recombinant	Recombinant
Name	IL-23

1,102

R&D Systems™ Recombinant Human BMP-8a (CHO-expressed) Protein

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

Pricing & Availability

1,103

MP Biomedicals™ Pepstatin A

Synthetic inhibitor for pepsin, renin, cathepsin D, and other acid proteases.

Pricing & Availability
Specifications

Form	Powder
Molecular Weight (g/mol)	685.91
Storage Requirements	0°C
For Use With (Application)	Enzyme Assay,Inhibition Assay,Molecular Biology,Protein Purification,Sample Preparation
Name	Pepstatin A

1,104

R&D Systems™ Recombinant Human TGF-beta RII 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)	Observed Molecular Wt: Multiple bands between 20-35kDa, reducing conditions, Predicted Molecular Wt.: 15kDa
Gene ID (Entrez)	7048
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 TGF-beta RII protein Ile24-Asp159
Recombinant	Recombinant
Name	TGF-beta RII

1,105

R&D Systems™ Recombinant Human SCF 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	c-kit Ligand, DCUA, DFNA69, DKFZp686F2250, familial progressive hyperpigmentation 2, FPH2, FPHH, KIT ligand, Kitl, KITLG, KL-1, Mast cell growth factor, MGF, MGFSHEP7, SCFStem cell factor, SFc-Kit ligand, SHEP7, SLF, steel factor
Molecular Weight (g/mol)	M.W. (theroretical): 19 kDa
Gene ID (Entrez)	4254
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 SCF/c-kit Ligand protein Glu26-Ala189,with an N-terminal Met
Recombinant	Recombinant
Name	SCF/c-kit Ligand

1,106

R&D Systems™ Recombinant Human Fc epsilon RI alpha Avi His Protein

Biotinylated Avi-tag His-tag

Pricing & Availability

1,107

R&D Systems™ Recombinant Human IL-12 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 with silver staining.
Conjugate	Unconjugated
Molecular Weight (g/mol)	34.7 kDa (p40) & 22.5 kDa (p35)
Gene ID (Entrez)	3592
Structural Form	Disulfide-linked heterodimer
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	Spodoptera frugiperda,Sf 21 (baculovirus)-derived human IL-12 protein, (N-terminus) Human IL-12 p40 (Ile23-Ser328) Accession &Num; P29460 Human IL-12 p35 (Arg23-Ser219) Accession &Num; P29459 (C-terminus)
Recombinant	Recombinant
Name	IL-12

1,108

R&D Systems™ Recombinant Human Cadherin-20 (CAD-20) Protein

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

Pricing & Availability

1,109

MP Biomedicals™ AlbumiNZ™ Protease-reduced BSA

Shows no detectable enzymatic activity

Pricing & Availability
Specifications

Purification Method	Chromatography
Form	Powder
pH Range	6.5 to 7.5
Storage Requirements	4°C
For Use With (Application)	Immunoassay
Source	Bovine Plasma
Name	AlbumiNZ™ Protease-reduced BSA

1,110

R&D Systems™ Recombinant Human NRG1-beta 1/HRG1-beta 1 ECD 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
Molecular Weight (g/mol)	26.9 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 beta 1/NRG1 beta 1 protein Ser2-Lys246
Recombinant	Recombinant
Name	Neuregulin-1 beta 1/NRG1 beta 1 Extracellular Domain

Recombinant Proteins

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R&D Systems™ Recombinant Human IL-23 Protein GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

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

R&D Systems™ Recombinant Human IL-12 Protein GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

R&D Systems™ Recombinant Human IL-23 Protein

R&D Systems™ Recombinant Human SCF Protein

R&D Systems™ Recombinant Human IL-12 Protein