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Recombinant

Recombinant (2,001)

Protein State

Native (1,056)

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Lyophilized (2)
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Mouse (62)
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1 – 15 of 5,858 results

R&D Systems™ Recombinant Human EGF Protein

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

Pricing and Availability
Specifications

Recombinant Proteins

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): 6 kDa, reducing conditions; M.W. (theoretical): 6 kDa
Gene Symbol	EGF
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	EGF
Source	E. coli-derived human EGF protein Asn971-Arg1023, with an N-terminal Met
Name	EGF
Accession Number	P01133
Gene ID (Entrez)	1950
Formulation	Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution	Reconstitute at 500 μg/mL in sterile PBS.
Recombinant	Recombinant

R&D Systems™ Recombinant Mouse Leptin Protein

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

Pricing and Availability
Specifications

Recombinant Proteins

Purity or Quality Grade	97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Conjugate	Unconjugated
Molecular Weight (g/mol)	16 kDa
Gene ID (Entrez)	16846
Formulation	Lyophilized from a 0.2μm filtered solution in Tris-HCl and NaCl.
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 Leptin/OB protein Val22-Cys167,with an N-terminal Met
Recombinant	Recombinant
Name	Leptin/OB

R&D Systems™ Recombinant Human IL-4 Protein

Carrier Free Recombinant Protein

Pricing and Availability
Specifications

Recombinant Proteins

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): 13 kDa, under reducing conditions., M.W. (Theoretical): 15.1 kDa
Endotoxin Concentration	<0.10 EU per 1μg 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-4
Source	E. coli-derived human IL-4 protein His25-Ser153, with an N-terminal Met
Accession Number	P05112.1
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
Gene ID (Entrez)	3565
Formulation	Lyophilized from a 0.2μm filtered solution in PBS with Trehalose.
Reconstitution	Reconstitute the 10μg size at 100μg/mL in PBS. Reconstitute all other sizes at 500μg/mL in PBS.
Species	Human

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 and Availability

Recombinant Proteins

R&D Systems™ Recombinant Human IL-6 Protein

A New rh IL-6 is Available! The new protein has ∼2 fold better activity and is HEK293 expressed!

Pricing and Availability
Specifications

Recombinant Proteins

Purity or Quality Grade	>97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Conjugate	Unconjugated
Molecular Weight (g/mol)	M.W. theroretical: 20.9 kDa
Gene Symbol	IL6
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	IL-6
Source	E. coli-derived human IL-6 protein Pro29-Met212
Name	IL-6
Accession Number	Q75MH2
Gene Alias	B-cell differentiation factor, B-cell stimulatory factor 2, BSF2, BSF-2, CDF, CTL differentiation factor, HSF, hybridoma growth factor, IFNB2, IFN-beta-2, IL6, IL-6, Interferon beta-2, interleukin 6 (interferon, beta 2), interleukin BSF-2, interleukin-6, MGI-2A
Gene ID (Entrez)	3569
Formulation	Lyophilized from a 0.2 μm filtered solution in PBS and NaCl.
Recombinant	Recombinant

R&D Systems™ Recombinant Human IL-13 Protein

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

Pricing and Availability
Specifications

Recombinant Proteins

Conjugate	Unconjugated
Molecular Weight (g/mol)	12.3 kDa
Gene ID (Entrez)	3596

Novus Biologicals™ Flagellin Native Protein

Native Protein

Pricing and Availability

Recombinant Proteins

R&D Systems™ Recombinant Human IL-6 Protein

A New rh IL-6 is Available! The new protein has ∼2 fold better activity and is HEK293 expressed!

Pricing and Availability

Recombinant Proteins

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 and Availability
Specifications

Recombinant Proteins

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

R&D Systems™ Recombinant Human IL-17A (Human Cell-expressed) Protein

Earn double rewards for reviews

Pricing and Availability
Specifications

Recombinant Proteins

Buffer	Lyophilized from a 0.2 μm filtered solution in PBS.
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)	15.1 kDa (monomer)
Endotoxin Level	<0.01 EU per 1 μg of the protein by the LAL method.
Gene Symbol	IL17A
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
Source	Human embryonic kidney cell, HEK293-derived human IL-17/IL-17A protein Gly24-Ala155
Name	CTLA8, CTLA-8, CTLA8cytotoxic T-lymphocyte-associated serine esterase 8, Cytotoxic T-lymphocyte-associated antigen 8, IL17, IL17A, IL-17A, IL-17Acytotoxic T-lymphocyte-associated protein 8, IL-17CTLA-8, IL17interleukin-17A, interleukin 17 (cytotoxic T-lymphocyte-associated serine esterase 8), interleukin 17A
Accession Number	Q16552
Gene ID (Entrez)	3605
Reconstitution	Reconstitute at 100 μg/mL in PBS.
Species	Human

R&D Systems™ Recombinant Human TNF-alpha (HEK293-expressed) Protein

Measured in a cytotoxicity assay using L-929 mouse fibroblast cells in the presence of the metabolic inhibitor actinomycin D. ED50 for this effect is 20 to 100 pg/mL.

Pricing and Availability
Specifications

Recombinant Proteins

Buffer	Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
Accession Number	P01375
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)	17 kDa
Gene ID (Entrez)	7124
Endotoxin Level	<0.10 EU per 1 μg of the protein by the LAL method.
Reconstitution	Reconstitute at 500 μg/mL in PBS.
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
Species	Human
Source	Human embryonic kidney cell, HEK293-derived human TNF-alpha protein Val77-Leu233
Name	APC1 protein, Cachectin, Cachetin, DIF, TNF, TNF, monocyte-derived, TNF-a, TNFA, TNFalpha, TNF-alphacachectin, TNFATNF, macrophage-derived, TNFG1F, TNFSF1A, TNFSF2, TNFSF2TNF superfamily, member 2, tumor necrosis factor, tumor necrosis factor (TNF superfamily, member 2), tumor necrosis factor alpha, Tumor necrosis factor ligand superfamily member 2, tumor necrosis factor-alpha

R&D Systems™ Recombinant Human VEGF 165 Protein

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

Pricing and Availability
Specifications

Recombinant Proteins

Purity or Quality Grade	97%, by SDS-PAGE with silver staining.
Conjugate	Unconjugated
Molecular Weight (g/mol)	observed_molecular_weight: 20-22 kDa, under reducing conditions. 39-42 kDa, under non-reducing conditions.
Gene ID (Entrez)	7422
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 VEGF protein Ala27-Arg191
Recombinant	Recombinant
Name	VEGF 165

R&D Systems™ Recombinant Human TGF-beta 1 Protein

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

Pricing and Availability
Specifications

Recombinant Proteins

Conjugate	Unconjugated
Gene Alias	CEDLAP, DPD1, latency-associated peptide, TGF beta1, TGFB, TGFB1, TGFbeta, TGFbeta 1, TGF-beta 1 protein, TGF-beta-1, transforming growth factor beta-1, transforming growth factor, beta 1
Gene ID (Entrez)	7040
Structural Form	Disulfide-linked homodimer
Recombinant	Recombinant
Name	TGF-beta 1

R&D Systems™ Recombinant Human IL-6 Protein

A New rh IL-6 is Available! The new protein has ∼2 fold better activity and is HEK293 expressed!

Pricing and Availability

Recombinant Proteins

Novus Biologicals™ Recombinant Protein A Protein

Recombinant Protein

Pricing and Availability
Specifications

Recombinant Proteins

Purity or Quality Grade	>97% pure by SDS-PAGE and HPLC
Gene Alias	Immunoglobulin G binding protein A, SPA, Staphylococcal protein A
Molecular Weight (g/mol)	33.4 kDa
Gene ID (Entrez)	3919448
Formulation	Lyophilized from additive free solution.
Research Category	Epitope Tags
Reconstitution	Dissolve in distilled water or saline.
Endotoxin Concentration	Less than 0.1 EU/ug of Protein A 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,HPLC
Protein	Protein A

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