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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16 – 30 of 119,618 results

R&D Systems™ Recombinant Human Erythropoietin/EPO (Tissue Culture Grade)

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

Pricing & Availability

Gibco™ Human IL-2 Recombinant Protein

Recombinant Protein

Pricing & Availability
Specifications

Protein Family	Cytokines & Receptors
Purity or Quality Grade	>95% by SDS-PAGE
Conjugate	Unconjugated
Form	Lyophilized
Common Name	IL-2
Molecular Weight (g/mol)	15.5 kDa
Endotoxin Level	<0.1 ng/μg
Activity	ED50 < 0.5 ng/mL; determined by the dose-dependen proliferation of mouse CTLL-2 cells.
Endotoxin Concentration	<0.1 ng/μg
Expression System	E. coli
For Use With (Application)	Bioactivity
Name	Human IL-2
Purification Method	Purified
Gene Alias	aldesleukin; cytokine; H-IL-2; il 2; Il2; Il-2; ILN; Interleukin; interleukin 2; interleukin 2 precursor; interleukin 2 variant IL2delta2; Interleukin2; Interleukin-2; interleukin-2 precursor; interleukin-2 precursor protein; interleukin-2; interleukin 2; Involved in regulation of T cell clonal expansion; involved in regulation of T-cell clonal expansion; lymphokine; M-IL-2; patial sequence of Interleukin-2; POIL2; porcine Interleukin 2; T cell growth factor; T-cell growth factor; T-cell growth factor (TCGF); TCGF
Protein Form	Recombinant, Ligand, Mutant
Biological Activity	ED50 < 0.5 ng/mL; determined by the dose-dependen proliferation of mouse CTLL-2 cells.
Formulation	Protein with no preservative
Classification	Carrier-Free
Research Category	Immunology, Signal Transduction, Stem Cell Research, Angiogenesis, Oncology
Species	Human
Recombinant	Recombinant
Shipping Condition	Wet Ice
Content And Storage	4°C
Gene Symbol	IL2
Storage Requirements	4°C
Protein Subtype	Interleukins
Accession Number	P60568
Regulatory Status	RUO
Product Type	Protein
Gene ID (Entrez)	3558
Product Line	Gibco

R&D Systems™ Recombinant Human Wnt-3a 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	75%, by SDS-PAGE with silver staining.
Conjugate	Unconjugated
Molecular Weight (g/mol)	37.4 kDa
Gene ID (Entrez)	89780
Source	Chinese Hamster Ovary cell line,CHO-derived human Wnt-3a protein Ser19-Lys352
Recombinant	Recombinant
Name	Wnt-3a

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R&D Systems™ Recombinant Human IgG1 Fc 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

Gibco™ Human FGF-basic (FGF-2/bFGF) (aa 1-155) Recombinant Protein

Recombinant Protein

Pricing & Availability
Specifications

Protein Family	Growth Factors & Receptors
Purity or Quality Grade	>95% by SDS-PAGE
Conjugate	Unconjugated
Form	Lyophilized
Common Name	FGF2
Molecular Weight (g/mol)	17.2 kDa
Activity	ED50 = 0.1 - 1.0 ng/mL; determined by the dose-dependent proliferation of BALB/3T3 cells.
Endotoxin Concentration	<0.1 ng/μg
Expression System	E. coli
For Use With (Application)	Bioactivity
Name	Human FGF-basic (FGF-2/bFGF) (aa 1-155)
Purification Method	Purified
Gene Alias	Basic fibroblast growth factor; basic fibroblast growth factor bFGF; bFGF; FGF; fgf basic; Fgf2; Fgf-2; Fgfb; FGF-b; Fibroblast growth factor; fibroblast growth factor 2; fibroblast growth factor 2 (basic); Fibroblast growth factor basic; HBGF-2; Heparin-binding growth factor 2; H-FGF-b-147; H-FGF-b-154; M-FGF-b; Prostatic growth factor; prostatropin
Protein Form	Recombinant, Ligand
Biological Activity	ED50 = 0.1 - 1.0 ng/mL; determined by the dose-dependent proliferation of BALB/3T3 cells.
Formulation	Protein with no preservative
Research Category	Neurobiology, Oncology, Stem Cell Research, Microbiology, Differentiation, Angiogenesis
Species	Human
Recombinant	Recombinant
Shipping Condition	Approved for shipment on Wet or Dry Ice
Content And Storage	4°C
Gene Symbol	FGF2
Sequence	Human FGF-basic, amino acids Met134-Ser288 with C211S and C229S substitutions and an N-terminal Gly-His
Storage Requirements	4°C
Protein Subtype	FGFs (Fibroblast Growth Factors)
Accession Number	P09038
Regulatory Status	RUO
Product Type	Protein
Gene ID (Entrez)	2247
Product Line	Gibco

Invitrogen™ Cholera Toxin Subunit B (Recombinant), Alexa Fluor™ 647 Conjugate

Made from a recombinant version of the B subunit only to provide a very high-purity product that is completely free of the toxic A subunit

Pricing & Availability

Gibco™ Human SCF Recombinant Protein

Recombinant Protein

Pricing & Availability
Specifications

Protein Family	Cytokines & Receptors
Purity or Quality Grade	>95% by SDS-PAGE
Conjugate	Unconjugated
Form	Lyophilized
Common Name	SCF
Molecular Weight (g/mol)	18.54 kDa
Endotoxin Level	<0.1 ng/μg
Activity	ED50 < 10 ng/mL; determined by the dose-dependent proliferation of human MO-7e cells.
Endotoxin Concentration	<0.1 ng/μg
Expression System	E. coli
For Use With (Application)	Bioactivity
Name	Human SCF
Purification Method	Purified
Gene Alias	710-712; blz; c-Kit ligand; Clo; cloud gray; Con; contrasted; CSF; DCUA; DFNA69; DKFZp686F2250; familial progressive hyperpigmentation 2; FPH2; FPHH; Gb; grizzle-belly; hematopoietic growth factor KL; H-SCF; Kit ligand; Kitl; Kitlg; kit-ligand; KL-1; Mast cell growth factor; MGF; M-SCF; Processed kit ligand; SCF; SF; SHEP7; sKITLG; Sl; SLF; Soluble KIT ligand; Steel factor; steel factor/kit ligand; stem cell factor; stem cell factor KL-1; stem cell factor, CSF
Protein Form	Recombinant, Ligand
Biological Activity	ED50 < 10 ng/mL; determined by the dose-dependent proliferation of human MO-7 e cells.
Formulation	Protein with no preservative
Classification	Carrier-Free
Research Category	Stem Cell Research, Oncology
Species	Human
Recombinant	Recombinant
Shipping Condition	Wet Ice
Content And Storage	4°C
Gene Symbol	KITLG
Sequence	EGICRNRVTN NVKDVTKLVA NLPKDYMITL KYVPGMDVLP SHCWISEMVV QLSDSLTDLL DKFSNISEGL SNYSIIDKLV NIVDDLVECV KENSSKDLKK SFKSPEPRLF TPEEFFRIFN RSIDAFKDFV VASETSDCVV SSTLSPEKDS RVSVTKPFML PPVA
Storage Requirements	4°C
Protein Subtype	Other Proteins
Accession Number	P21583
Regulatory Status	RUO
Product Type	Protein
Gene ID (Entrez)	4254
Product Line	Gibco

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Fisher BioReagents™ Bovine Serum Albumin, Fraction V, Cold-ethanol Precipitated

Used as a stabilizer for enzymes or enzymatic reactions, or as a blocker of nonspecific sites

Pricing & Availability

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R&D Systems™ Recombinant Human GM-CSF 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

Accession Number	P04141.1
Purity or Quality Grade	97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Conjugate	Unconjugated
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
Molecular Weight (g/mol)	14 kDa
Gene ID (Entrez)	1437
Source	E. coli-derived human GM-CSF protein Ala18-Glu144
Recombinant	Recombinant
Name	GM-CSF

Gibco™ Human M-CSF Recombinant Protein

Recombinant Protein

Pricing & Availability
Specifications

Protein Family	Cytokines & Receptors
Purity or Quality Grade	>95% by SDS-PAGE
Conjugate	Unconjugated
Form	Lyophilized
Common Name	M-CSF
Molecular Weight (g/mol)	38 kDa
Endotoxin Level	<0.1 ng/μg
Activity	ED50 ≤ 5 ng/mL; determined by the dose-dependent proliferation of M-NSF60 cells.
Endotoxin Concentration	<0.1 ng/μg
Expression System	HEK293 cells
For Use With (Application)	Bioactivity
Name	Human M-CSF
Purification Method	Purified
Gene Alias	C87615; colony stimulating factor 1; colony stimulating factor 1 (macrophage); colony-stimulating factor-1 splice variant; CSF1; CSF-1; Csfm; H-MCSF; lanimostim; macrophage colony stimulating factor 1; macrophage colony stimulating factor alpha; macrophage colony stimulating factor beta; macrophage colony-stimulating factor; macrophage colony-stimulating factor 1; macrophage colony-stimulating factor beta; macrophage-colony stimulating factor alpha; MCSF; MCSF alpha; MCSFBETA; MGC31930; M-MCSF; op; osteopetrosis; Processed macrophage colony-stimulating factor 1
Protein Form	Recombinant, Ligand
Biological Activity	ED50 ≤ 5 ng/mL; determined by the dose-dependent proliferation of M-NSF60 cells.
Formulation	Protein with no preservative
Research Category	Cardiovascular Research, Stem Cell Research, Differentiation, Inflammation
Species	Human
Recombinant	Recombinant
Shipping Condition	Wet Ice
Content And Storage	4°C
Gene Symbol	Csf1
Storage Requirements	4°C
Protein Subtype	GM-CSF, G-CSF, & M-CSF
Accession Number	P09603
Regulatory Status	RUO
Product Type	Protein
Gene ID (Entrez)	1435
Product Line	Gibco

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R&D Systems™ Recombinant Human IL-4 Protein

Carrier Free Recombinant Protein

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): 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

Invitrogen™ Ovalbumin, Alexa Fluor™ 647 Conjugate

Labeled with bright, photostable and pH-insensitive Alexa Fluor 647 dye

Pricing & Availability

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

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 & Availability

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Fisher BioReagents™ Bovine Serum Albumin, Heat Shock Treated

Suitable for immunological studies

Pricing & Availability
Specifications

pH Range	7 ±0.3
Packaging	Poly Bottle
For Use With (Application)	Immunological Applications
Source	Bovine

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Recombinant Proteins

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R&D Systems™ Recombinant Human Wnt-3a Protein GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

R&D Systems™ Recombinant Human IgG1 Fc Protein GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

R&D Systems™ Recombinant Human GM-CSF 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-6 Protein GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Fisher BioReagents™ Bovine Serum Albumin, Heat Shock Treated GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

R&D Systems™ Recombinant Human Wnt-3a Protein

R&D Systems™ Recombinant Human IgG1 Fc Protein

R&D Systems™ Recombinant Human GM-CSF Protein

R&D Systems™ Recombinant Human IL-12 Protein

R&D Systems™ Recombinant Human IL-6 Protein

Fisher BioReagents™ Bovine Serum Albumin, Heat Shock Treated