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.

466 – 480 of 108,477 results

466

R&D Systems™ Recombinant Human IL-2 R beta 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: 29kDa and 31kDa, reducing conditions, Predicted Molecular Wt.: 25kDa
Gene ID (Entrez)	3560
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-2 R beta protein Ala27-Asp239
Recombinant	Recombinant
Name	IL-2 R beta

467

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

468

R&D Systems™ Recombinant Human Ubiquitin AMC 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

469

R&D Systems™ Recombinant Human Proinsulin 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

470

R&D Systems™ Recombinant Human Carboxypeptidase M Protein

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

Pricing & Availability

471

R&D Systems™ Recombinant Human DPPIV/CD26 Fc Chimera Protein

Pricing & Availability

472

R&D Systems™ Recombinant Viral B18R Protein

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

Pricing & Availability

473

Invitrogen™ Aequorea victoria GFP His-tag Recombinant Protein

Recombinant Protein

Pricing & Availability
Specifications

Purity or Quality Grade	≥90% as determined by SDS-PAGE. ≥85% as determined by SEC-HPLC
Conjugate	Unconjugated
pH Range	7.4
Form	Lyophilized
Molecular Weight (g/mol)	28.76 kDa
Common Name	GFP
Storage Requirements	-20°C, Avoid Freeze/Thaw Cycles
Sequence	Aequorea victoria GFP, amino acids Ser2-Lys238 (Accession # AAB65663) with an N-terminal His-tag
Concentration	0.25 mg/mL
Expression System	E. coli
For Use With (Application)	Control,Neutralization
Name	Aequorea victoria GFP His-tag
Regulatory Status	RUO
Purification Method	Purified
Gene Alias	GFP; GFP tag; GFP2; green fluorescence; green fluorescent; Turbo eGFP
Product Type	Protein
Formulation	PBS with 5% mannitol, 5% trehalose, 0.01% Tween 80 and no preservative; pH 7.4
Protein Tag	His-tag
Recombinant	Recombinant

474

R&D Systems™ Recombinant C. difficile Toxin B/TcdB 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

475

R&D Systems™ Recombinant Human FGF acidic/FGF1 (aa 2-155) 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

476

R&D Systems™ Recombinant Human LIF 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 visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
Conjugate	Unconjugated
Molecular Weight (g/mol)	M.W. (Observed): 19 kDa, reducing conditions; M.W. (theoretical): 19.6 kDa
Gene Symbol	LIF
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	LIF
Source	E. coli-derived human LIF protein Pro24-Phe202
Name	LIF
Accession Number	P15018
Gene Alias	CDF, D factor, DIA, differentiation inhibitory activity, differentiation stimulating factor, Differentiation-stimulating factor, Emfilermin, HILDA, HILDAcholinergic differentiation factor, leukemia inhibitory factor, leukemia inhibitory factor (cholinergic differentiation factor), Melanoma-derived LPL inhibitor, MLPLI
Gene ID (Entrez)	3976
Recombinant	Recombinant

477

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

478

R&D Systems™ Recombinant Human Klotho (aa 34-981) 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

479

R&D Systems™ Recombinant Human BDNF 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

Buffer	Lyophilized from a 0.2 μm filtered solution in Sodium Citrate and NaCl.
Purity or Quality Grade	>97%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie« Blue Staining.
Conjugate	Unconjugated
Specific Reactivity	BDNF
Molecular Weight (g/mol)	observed_molecular_weight: 13-14 kDa, under reducing conditions.
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 °C under sterile conditions after reconstitution.
For Use With (Application)	Bioactivity
Source	Spodoptera frugiperda,Sf 21 (baculovirus)-derived BDNF protein His129-Arg247 Accession &Num; P23560 100% sequence homology with Mouse,Rat,Canine,Equine and all other mammalian proteins examined.
Accession Number	P23560
Regulatory Status	RUO
Gene ID (Entrez)	627
Reconstitution	Reconstitute at 250 μg/mL in water.
Species	Human,Mouse,Rat,Canine,Equine
Recombinant	Recombinant

480

R&D Systems™ Recombinant Human IL-4 (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): 17-25 kDa, reducing conditions; M.W. (theoretical): 15.0 kDa
Gene Symbol	IL4
Quantity	10 μg
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	IL-4
Source	Chinese Hamster Ovary cell line, CHO-derived human IL-4 protein His25-Ser153
Name	IL-4
Accession Number	P05112
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
Structural Form	Monomer
Recombinant	Recombinant

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Recombinant Proteins

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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 LIF Protein GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

R&D Systems™ Recombinant Human TNF-alpha Protein

R&D Systems™ Recombinant Human LIF Protein