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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Gibco™ Human GDNF Recombinant Protein, PeproTech®

Recombinant Protein

Pricing & Availability
Specifications

Content And Storage	-20°C
Purity or Quality Grade	≥ 98% by SDS-PAGE gel and HPLC analyses.
Conjugate	Unconjugated
Form	Lyophilized
Common Name	GDNF
Molecular Weight (g/mol)	30.4 kDa
Gene Symbol	GDNF
Endotoxin Concentration	<1 EU/μg
Sequence	MSPDKQMAVL PRRERNRQAA AANPENSRGK GRRGQRGKNR GCVLTAIHLN VTDLGLGYET KEELIFRYCS GSCDAAETTY DKILKNLSRN RRLVSDKVGQ ACCRPIAFDD DLSFLDDNLV YHILRKHSAK RCGCI
Expression System	E. coli
For Use With (Application)	Control,Western Blot Control,Bioactivity
Source	E. coli
Name	Human GDNF
Accession Number	P39905
Gene Alias	AI385739; Astrocyte-derived trophic factor; ATF; ATF1; ATF2; Gdnf; glial cell derived neurotrophic factor; glial cell line derived neurotrophic factor; Glial cell line derived neutrophic factor; glial cell line-derived neurotrophic factor; gndf; HFB1-GDNF; hGDNF; H-GDNF; HSCR3; mGDNF; neurotrophic factor
Biological Activity	Determined by a cell proliferation assay using SH-SY5Y cells. The expected ED50 for this effect is 1.0-10.0 ng/ml
Gene ID (Entrez)	2668
Formulation	Protein with no preservative
Recombinant	Recombinant

Gibco™ Human IL-2 Recombinant Protein, PeproTech®

Recombinant Protein

Pricing & Availability
Specifications

Content And Storage	-20°C
Purity or Quality Grade	≥ 98% by SDS-PAGE gel and HPLC analyses.
Conjugate	Unconjugated
Form	Lyophilized
Common Name	IL-2
Molecular Weight (g/mol)	15.5 kDa
Gene Symbol	IL2
Endotoxin Concentration	<1 EU/μg
Sequence	MAPTSSSTKK TQLQLEHLLL DLQMILNGIN NYKNPKLTRM LTFKFYMPKK ATELKHLQCL EEELKPLEEV LNLAQSKNFH LRPRDLISNI NVIVLELKGS ETTFMCEYAD ETATIVEFLN RWITFAQSII STLT
Expression System	E. coli
For Use With (Application)	Control,Western Blot Control,ELISA Standard,Bioactivity
Source	E. coli
Name	Human IL-2
Accession Number	P60568
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
Biological Activity	The ED50 as determined by the dose-dependent stimulation of murine CTLL-2 cells is ≤ 0.1 ng/ml, corresponding to a specific activity of ≥ 1 x 10^7 units/mg
Gene ID (Entrez)	3558
Formulation	Protein with no preservative
Recombinant	Recombinant

Gibco™ Human TNF-alpha Recombinant Protein, PeproTech®

Recombinant Protein

Pricing & Availability
Specifications

Content And Storage	-20°C
Purity or Quality Grade	≥ 98% by SDS-PAGE gel and HPLC analyses.
Conjugate	Unconjugated
Form	Lyophilized
Common Name	TNF alpha
Molecular Weight (g/mol)	17.4 kDa
Gene Symbol	Tnf
Endotoxin Concentration	<1 EU/μg
Sequence	VRSSSRTPSD KPVAHVVANP QAEGQLQWLN RRANALLANG VELRDNQLVV PSEGLYLIYS QVLFKGQGCP STHVLLTHTI SRIAVSYQTK VNLLSAIKSP CQRETPEGAE AKPWYEPIYL GGVFQLEKGD RLSAEINRPD YLDFAESGQV YFGIIAL
Expression System	E. coli
For Use With (Application)	Control,Western Blot Control,ELISA Standard,Bioactivity
Source	E. coli
Name	Human TNF-alpha
Accession Number	P01375
Gene Alias	APC1 protein; Cachectin; C-domain 1; C-domain 2; cTNF; DADB-70P7.1; DIF; ICD1; ICD2; Intracellular domain 1; Intracellular domain 2; N-terminal fragment; NTF; RATTNF; Tnf; TNF alpha; TNF superfamily; TNF α; TNF, macrophage-derived; TNF, monocyte-derived; TNFA; TNF-a; TNFalpha; TNF-alpha; Tnfsf1a; TNFSF2; TNFα; TNLG1F; Tumor necrosis factor; tumor necrosis factor (TNF superfamily, member 2); tumor necrosis factor alpha; tumor necrosis factor alpha (cachetin); tumor necrosis factor alpha precursor; tumor necrosis factor ligand 1F; tumor necrosis factor ligand superfamily member 2; Tumor necrosis factor, membrane form; Tumor necrosis factor, soluble form; tumor necrosis factor-alpha; tumor necrosis factor-alpha precursor; tumor-necrosis factor; tumour necrosis factor
Biological Activity	The ED50 as determined by the cytolysis of murine L929 cells in the presence of Actinomycin D is ≤ 0.05 ng/ml, corresponding to a specific activity of ≥ 2 x 10^7 units/mg
Gene ID (Entrez)	7124
Formulation	Protein with no preservative
Recombinant	Recombinant

Gibco™ Human EGF Recombinant Protein

Recombinant Protein

Pricing & Availability

Gibco™ Human Noggin Recombinant Protein, PeproTech®

Recombinant Protein

Pricing & Availability

Gibco™ Human IFN-gamma Recombinant Protein, PeproTech®

Recombinant Protein

Pricing & Availability
Specifications

Content And Storage	-20°C
Purity or Quality Grade	≥ 98% by SDS-PAGE gel and HPLC analyses.
Conjugate	Unconjugated
Form	Lyophilized
Common Name	IFN gamma
Molecular Weight (g/mol)	16.8 kDa
Gene Symbol	IFNG
Endotoxin Concentration	<1 EU/μg
Sequence	MQDPYVKEAE NLKKYFNAGH SDVADNGTLF LGILKNWKEE SDRKIMQSQI VSFYFKLFKN FKDDQSIQKS VETIKEDMNV KFFNSNKKKR DDFEKLTNYS VTDLNVQRKA IHELIQVMAE LSPAAKTGKR KRSQMLFQGR RASQ
Expression System	E. coli
For Use With (Application)	Control,Western Blot Control,ELISA Standard,Bioactivity
Source	E. coli
Name	Human IFN-gamma
Accession Number	P01579
Gene Alias	BoIFNG; cytokine; EGK_03901; gamma interferon; gamma interferon precursor; gamma-interferon; gamma-interferon precursor (AA -23 to 143); H-IFN-g; IFG; IFI; IFN gamma; IFN γ; Ifng; IFN-g; IFNG2; IFN-gamma; IFN-gamma precursor; IFN-y; IFNγ; Immune interferon; Interferon; interferon gamma; interferon gamma precursor; interferon gamma type 2; Interferon y; Interferon γ; interferon, gamma; interferon-gama; interferon-gamma; Interferon-gamma level; interferon-gamma precursor; Interferonγ; M-IFN-g; R-IFN-g
Biological Activity	The ED50 determined by a cytotoxicity assay using HT-29 cells is = 0.05 ng/ml, corresponding to a specific activity of = 2 x 10^7 units/mg
Gene ID (Entrez)	3458
Formulation	Protein with no preservative
Recombinant	Recombinant

Gibco™ Human IL-4 Recombinant Protein, PeproTech®

Recombinant Protein

Pricing & Availability
Specifications

Content And Storage	-20°C
Purity or Quality Grade	≥ 98% by SDS-PAGE gel and HPLC analyses.
Conjugate	Unconjugated
Form	Lyophilized
Common Name	IL-4
Molecular Weight (g/mol)	15.1 kDa
Gene Symbol	Il4
Endotoxin Concentration	<1 EU/μg
Sequence	MHKCDITLQE IIKTLNSLTE QKTLCTELTV TDIFAASKNT TEKETFCRAA TVLRQFYSHH EKDTRCLGAT AQQFHRHKQL IRFLKRLDRN LWGLAGLNSC PVKEANQSTL ENFLERLKTI MREKYSKCSS
Expression System	E. coli
For Use With (Application)	Control,Western Blot Control,ELISA Standard,Bioactivity
Source	E. coli
Name	Human IL-4
Accession Number	P05112
Gene Alias	B cell growth factor 1; B_cell stimulatory factor 1; B-cell growth factor 1; B-cell IgG differentiation factor; B-cell stimulatory factor 1; BCGF1; BCGF-1; binetrakin; BSF1; BSF-1; cytokine; H-IL-4; IGG1 induction factor; IL2; IL4; Il-4; Il4e12; ILN; Interleukin; interleukin 4; interleukin 4 variant 2; interleukin 4 variant IL-4delta2; interleukin 4 variant IL-4delta3; interleukin 4 variant IL-4int2A; interleukin 4 variant IL-4int3A; interleukin 4 variant IL-4int3B; Interleukin4; interleukin-4; interleukin-4 precursor; lymphocyte stimulatory factor 1; MGC79402; M-IL-4; Pitrakinra
Biological Activity	The ED50 as determined by the dose-dependent stimulation of human TF-1 cells is ≤ 0.2 ng/ml, corresponding to a specific activity of ≥ 5 x 10^6 units/mg
Gene ID (Entrez)	3565
Formulation	Protein with no preservative
Recombinant	Recombinant

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 & 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): 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

Gibco™ Human SCF Recombinant Protein, PeproTech®

Recombinant Protein

Pricing & Availability
Specifications

Content And Storage	-20°C
Purity or Quality Grade	≥ 98% by SDS-PAGE gel and HPLC analyses.
Conjugate	Unconjugated
Form	Lyophilized
Common Name	SCF
Molecular Weight (g/mol)	18.4 kDa
Gene Symbol	KITLG
Endotoxin Concentration	<1 EU/μg
Sequence	MEGICRNRVT NNVKDVTKLV ANLPKDYMIT LKYVPGMDVL PSHCWISEMV VQLSDSLTDL LDKFSNISEG LSNYSIIDKL VNIVDDLVEC VKENSSKDLK KSFKSPEPRL FTPEEFFRIF NRSIDAFKDF VVASETSDCV VSSTLSPEKD SRVSVTKPFM LPPVA
Expression System	E. coli
For Use With (Application)	Control,Western Blot Control,ELISA Standard,Bioactivity
Source	E. coli
Name	Human SCF
Accession Number	P21583
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
Biological Activity	The ED50 as determined by the dose-dependent stimulation of the proliferation of human TF-1 cells is ≤ 2.0 ng/ml, corresponding to a specific activity of ≥ 5 x 10^5 units/mg
Gene ID (Entrez)	4254
Formulation	Protein with no preservative
Recombinant	Recombinant

Invitrogen™ Cholera Toxin Subunit B (Recombinant), Alexa Fluor™ 488 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
Specifications

Shipping Condition	Room Temperature
Content And Storage	Store in freezer (-5 to -30°C) and protect from light.
Conjugate	Alexa Fluor 488
Form	Lyophilized
Protein Form	Recombinant
Label Type	Alexa Fluor Dyes
Product Line	Alexa Fluor
Protein Subtype	Cholera Toxin
Recombinant	Recombinant

Invitrogen™ Cholera Toxin Subunit B (Recombinant), Alexa Fluor™ 555 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
Specifications

Shipping Condition	Room Temperature
Content And Storage	Store in freezer (-5 to -30°C) and protect from light.
Conjugate	Alexa Fluor 555
Form	Lyophilized
Protein Form	Recombinant
Label Type	Alexa Fluor Dyes
Product Line	Alexa Fluor
Protein Subtype	Cholera Toxin
Recombinant	Recombinant

Gibco™ Human GM-CSF Recombinant Protein, PeproTech®

Recombinant Protein

Pricing & Availability
Specifications

Content And Storage	-20°C
Purity or Quality Grade	≥ 98% by SDS-PAGE gel and HPLC analyses.
Conjugate	Unconjugated
Form	Lyophilized
Common Name	GM-CSF
Molecular Weight (g/mol)	14.6 kDa
Gene Symbol	CSF2
Endotoxin Concentration	<1 EU/μg
Sequence	MAPARSPSPS TQPWEHVNAI QEARRLLNLS RDTAAEMNET VEVISEMFDL QEPTCLQTRL ELYKQGLRGS LTKLKGPLTM MASHYKQHCP PTPETSCATQ IITFESFKEN LKDFLLVIPF DCWEPVQE
Expression System	E. coli
For Use With (Application)	Control,Western Blot Control,ELISA Standard,Bioactivity
Source	E. coli
Name	Human GM-CSF
Accession Number	P04141
Gene Alias	colony stimulating factor 2; colony stimulating factor 2 (granulocyte-macrophage); colony-stimulating factor; CSF; CSF2; Csfgm; cytokine; GMCSF; Gm-CSf; granulocyte macrophage colony stimulating factor; granulocyte macrophage-colony stimulating factor; granulocyte-macrophage colony stimulating factor 2; granulocyte-macrophage colony-stimulating factor; MGC131935; MGC138897; MGC151255; MGC151257; MGI-IGM; M-GM-CSF; molgramostin; put. GM-CSF; sargramostim
Biological Activity	The ED50 as determined by the dose-dependent stimulation of the proliferation of human TF-1 cells is ≤ 0.1 ng/ml, corresponding to a specific activity of ≥ 1 x 10^7 units/mg
Gene ID (Entrez)	1437
Formulation	Protein with no preservative
Recombinant	Recombinant

Invitrogen™ Isolectin GS-IB₄ From Griffonia simplicifolia, Alexa Fluor™ 488 Conjugate

Isolated from the seeds of Griffonia simplicifolia, a tropical African legume

Pricing & Availability

Gibco™ Human/Mouse/Rat BDNF Recombinant Protein, PeproTech®

Recombinant Protein

Pricing & Availability
Specifications

Content And Storage	-20°C
Purity or Quality Grade	≥ 98% by SDS-PAGE gel and HPLC analyses.
Conjugate	Unconjugated
Form	Lyophilized
Common Name	BDNF
Molecular Weight (g/mol)	27 kDa
Gene Symbol	BDNF
Endotoxin Concentration	<1 EU/μg
Sequence	MHSDPARRGE LSVCDSISEW VTAADKKTAV DMSGGTVTVL EKVPVSKGQL KQYFYETKCN PMGYTKEGCR GIDKRHWNSQ CRTTQSYVRA LTMDSKKRIG WRFIRIDTSC VCTLTIKRGR
Expression System	E. coli
For Use With (Application)	Control,Western Blot Control,ELISA Standard,Binding Assay,Bioactivity
Source	E. coli
Name	Human/Mouse/Rat BDNF
Accession Number	P21237, P23363, P23560
Gene Alias	abrineurin; ANON2; anorexia BDNF; Bdnf; BDNF precursor form; bdnf protein; brain derived neurothrophic factor; brain derived neurotrophic factor; brain-derived neurotrophic factor; BULN2; H-BDNF; neurotrophin; ProBDNF
Biological Activity	Determined by its ability to bind recombinant human TrkB Fc Chimera in a functional ELISA.
Gene ID (Entrez)	12064, 24225, 627
Formulation	Protein with no preservative
Recombinant	Recombinant

Gibco™ Human HGF Recombinant Protein, PeproTech®

Recombinant Protein

Pricing & Availability
Specifications

Content And Storage	-20°C
Purity or Quality Grade	≥ 95% by SDS-PAGE gel and HPLC analyses.
Conjugate	Unconjugated
Form	Lyophilized
Common Name	HGF
Molecular Weight (g/mol)	79.4 kDa
Gene Symbol	Hgf
Endotoxin Concentration	<1 EU/μg
Sequence	Alpha chain: KRRNTIHEFK KSAKTTLIKI DPALKIKTKK VNTADQCANR CTRNKGLPFT CKAFVFDKAR KQCLWFPFNS MSSGVKKEFG HEFDLYENKD YIRNCIIGKG RSYKGTVSIT KSGIKCQPWS SMIPHEHSFL PSSYRGKDLQ ENYCRNPRGE EGGPWCFTSN PEVRYEVCDI PQCSEVECMT CNGESYRGLM DHTESGKICQ RWDHQTPHRH KFLPERYPDK GFDDNYCRNP DGQPRPWCYT LDPHTRWEYC AIKTCADNTM NDTDVPLETT ECIQGQGEGY RGTVNTIWNG IPCQRWDSQY PHEHDMTPEN FKCKDLRENY CRNPDGSESP WCFTTDPNIR VGYCSQIPNC DMSHGQDCYR GNGKNYMGNL SQTRSGLTCS MWDKNMEDLH RHIFWEPDAS KLNENYCRNP DDDAHGPWCY TGNPLIPWDY CPISRCEGDT TPTIVNLDHP VISCAKTKQL R Beta chain: VVNGIPTRTN IGWMVSLRYR NKHICGGSLI KESWVLTARQ CFPSRDLKDY EAWLGIHDVH GRGDEKCKQV LNVSQLVYGP EGSDLVLMKL ARPAVLDDFV STIDLPNYGC TIPEKTSCSV YGWGYTGLIN YDGLLRVAHL YIMGNEKCSQ HHRGKVTLNE SEICAGAEKI GSGPCEGDYG GPLVCEQHKM RMVLGVIVPG RGCAIPNRPG IFVRVAYYAK WIHKIILTYK VPQS
Expression System	HEK293 cells
For Use With (Application)	Control,Bioactivity
Source	HEK293 cells
Name	Human HGF
Accession Number	P14210
Gene Alias	C230052L06Rik; DFNB39; Fibroblast derived tumor cytotoxic factor; fibroblast-derived tumor cytotoxic factor; F-TCF; hepatocyte growth factor; Hepatocyte growth factor (hepapoietin A; hepatocyte growth factor (hepapoietin A; scatter factor); Hepatocyte growth factor alpha chain; Hepatocyte growth factor beta chain; Hepatopoeitin A; hepatopoeitin-A; HepatopoietinA; hepatopoietin-A; Hgf; HGF/SF; HGFB; HPTA; Lung fibroblast derived mitogen; lung fibroblast-derived mitogen; NK1; NK2; Scatter factor; scatter factor); SF; SF/HGF
Biological Activity	Determined by the dose-dependent stimulation of the proliferation of monkey 4 MBr-5 cells. The expected ED50 for this effect is 1.0-20.0 ng/ml
Gene ID (Entrez)	3082
Formulation	Protein with no preservative
Recombinant	Recombinant

Recombinant Proteins

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R&D Systems™ Recombinant Human EGF Protein GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

R&D Systems™ Recombinant Human EGF Protein