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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R&D Systems™ Recombinant Human NT-3 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

R&D Systems™ Recombinant Mouse 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

Invitrogen™ Image-iT™ Low Density Lipoprotein Uptake Kit, Bodipy FL

The Image-iT Low Density Lipoprotein Uptake Kit - Bodipy FL includes Bodipy FL dye-labeled LDL, unlabeled LDL, heparin, BSA, and assay buffer.

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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

Gibco™ Human Flt-3 Ligand (FLT3L) 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	FLT3LG
Molecular Weight (g/mol)	35 kDa
Endotoxin Level	<0.1 ng/μg
Activity	ED50 ≤ 5 ng/mL; determined by the dose-dependent proliferation of human OCI-AML5 cells.
Endotoxin Concentration	<0.1 ng/μg
Expression System	HEK293 cells
For Use With (Application)	Bioactivity
Name	Human Flt-3 Ligand (FLT3L)
Purification Method	Purified
Gene Alias	FL; Flt 3 ligand; Flt3; Flt3 L; Flt3 ligand; Flt3l; Flt3lg; fms related receptor tyrosine kinase 3 ligand; fms related tyrosine kinase 3 ligand; FMS-like tyrosine kinase 3 ligand; fms-related tyrosine kinase 3; fms-related tyrosine kinase 3 ligand; H-FLT-3-L; Ly72L; M-FLT-3-L; NEWGENE_2322792; SL cytokine
Protein Form	Recombinant, Ligand
Biological Activity	ED50 ≤ 5 ng/mL; determined by the dose-dependent proliferation of human OCI-AML5 cells.
Formulation	Protein with no preservative
Classification	Carrier-Free
Research Category	Signal Transduction, Stem Cell Research, Oncology
Species	Human
Recombinant	Recombinant
Shipping Condition	Wet Ice
Content And Storage	4°C
Gene Symbol	FLT3LG
Sequence	TQDCSFQHSP ISSDFAVKIR ELSDYLLQDY PVTVASNLQD EELCGGLWRL VLAQRWMERL KTVAGSKMQG LLERVNTEIH FVTKCAFQPP PSCLRFVQTN ISRLLQETSE QLVALKPWIT RQNFSRCLEL QCQPDSSTLP PPWSPRPLEA TAPTAPQP
Storage Requirements	4°C
Protein Subtype	FLT-3 Ligand
Accession Number	P49771
Regulatory Status	RUO
Reactivity	Human
Product Type	Protein
Gene ID (Entrez)	2323
Product Line	Gibco

Invitrogen™ Albumin from Bovine Serum (BSA), Alexa Fluor™ 594 conjugate

Bright and photostable conjugate exceptionally suited for applications in which well-defined molecular weight tracers are needed

Pricing & Availability

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R&D Systems™ Recombinant Human IL-33 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)	18 kDa
Gene ID (Entrez)	90865
Quantity	10 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 IL-33 protein Ser112-Thr270
Recombinant	Recombinant
Name	IL-33

R&D Systems™ Recombinant Mouse 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 & Availability
Specifications

Purity or Quality Grade	>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
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
Molecular Weight (g/mol)	12.8 kDa (monomer)
Gene ID (Entrez)	21803
Quantity	5 μg
Structural Form	Disulfide-linked homodimer
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	Chinese Hamster Ovary cell line,CHO-derived mouse TGF-beta 1 protein Ala279-Ser390
Recombinant	Recombinant
Name	TGF-beta 1

Gibco™ Human BMP-2 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	BMP-2
Molecular Weight (g/mol)	25 kDa
Endotoxin Level	<0.1 ng/μg
Activity	ED50 < 1.0 μg/mL; determined by the dose-dependent induction of alkaline phosphatase in mouse ATDC52 chondrogenic cells.
Indicator Cell	mouse chondrogenic cell line ATDC5
Endotoxin Concentration	<0.1 ng/μg
Expression System	E. coli
For Use With (Application)	Bioactivity
Name	Human BMP-2
Purification Method	Purified
Gene Alias	2610024H22Rik; AI467020; AL117858; AW546137; BB189135; BDA2; BMP; BMP2; BMP-2; BMP2A; BMP-2A; BMPRII; BMPR-II; Bone morphogenetic; Bone morphogenetic protein; Bone morphogenetic protein 2; bone morphogenetic protein 2 precursor (BMP-2) (BMP-2A); bone morphogenetic protein 2A; H-BMP-2; morphogen
Protein Form	Recombinant, Ligand
Biological Activity	ED50 < 1.0 μg/mL; determined by the dose-dependent induction of alkaline phosphatase in mouse ATDC52 chondrogenic cells.
Formulation	Protein with no preservative
Classification	Carrier-Free
Research Category	Stem Cell Research, Bone Research
Specific Activity	1.0 x 10⁴ - 1.0 x10³ units⁄mg
Species	Human
Recombinant	Recombinant
Shipping Condition	Wet Ice
Content And Storage	4°C
Gene Symbol	BMP2
Sequence	QAKHKQRKRL KSSCKRHPLY VDFSDVGWND WIVAPPGYHA FYCHGECPFP LADHLNSTNH AIVQTLVNSV NSKIPKACCV PTELSAISML YLDENEKVVL KNYQDMVVEG CGCR
Storage Requirements	4°C
Protein Subtype	BMPs (Bone Morphogenetic Proteins) & Related Factors
Cell Type	Stem Cells
Accession Number	P12643
Regulatory Status	RUO
Reactivity	Human
Product Type	Protein
Gene ID (Entrez)	650
Product Line	Gibco

R&D Systems™ Recombinant Human Noggin 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 Alias	NOG, noggin, SYM1, symphalangism 1 (proximal), synostoses (multiple) syndrome 1, SYNS1, SYNS1A
Molecular Weight (g/mol)	23 kDa (monomer)
Gene ID (Entrez)	9241
Structural Form	Disulfide-linked homodimer
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 Noggin protein Gln28-Cys232
Recombinant	Recombinant
Name	Noggin

Gibco™ Human Noggin Recombinant Protein

Recombinant Protein

Pricing & Availability
Specifications

Purity or Quality Grade	>95% by SDS-PAGE
Conjugate	Unconjugated
Form	Lyophilized
Molecular Weight (g/mol)	46.2 kDa
Common Name	Noggin
Gene Symbol	NOG
Activity	ED50 < 3 ng/mL; determined by the dose-depdent inhibition of alkaline phosphatase production induced by BMP-4 (5 ng/mL) in ATDC-5 chondrogenic cells.
Endotoxin Concentration	<0.1 ng/μg
Storage Requirements	-20°C
Sequence	MQHYLHIRPA PSDNLPLVDL IEHPDPIFDP KEKDLNETLL RSLLGGHYDP GFMATSPPED RPGGGGGAAG GAEDLAELDQ LLRQRPSGAM PSEIKGLEFS EGLAQGKKQR LSKKLRRKLQ MWLWSQTFCP VLYAWNDLGS RFWPRYVKVG SCFSKRSCSV PEGMVCKPSK SVHLTVLRWR CQRRGGQRCG WIPIQYPIIS ECKCSC
Expression System	E. coli
For Use With (Application)	Bioactivity
Name	Human Noggin
Accession Number	Q13253
Regulatory Status	RUO
Purification Method	Purified
Gene Alias	NOG; Noggin; Noggin precursor; noggin; LOW QUALITY PROTEIN: noggin; SYM1; symphalangism 1 (proximal); SYNS1; SYNS1A
Product Type	Protein
Gene ID (Entrez)	9241
Formulation	Protein with no preservative
Recombinant	Recombinant

R&D Systems™ Recombinant Human FGF basic/FGF2/bFGF, 145 aa TC 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

Invitrogen™ Lycopersicon Esculentum (Tomato) Lectin (LEL, TL), DyLight 594

Lycopersicon esculentum (Tomato) Lectin (LEL, TL), DyLight 594, is a bright-red LEL-fluorophore conjugate.

Pricing & Availability

Invitrogen™ Human IL-4 Recombinant Protein

Recombinant Protein

Pricing & Availability
Specifications

Content And Storage	Includes 1 vial of lyophilized protein. Store at -20 °C.
Purity or Quality Grade	≥95 % as determined by SDS-PAGE. ≥95 % as determined by SEC-HPLC.
Conjugate	Unconjugated
Form	Lyophilized
Common Name	IL-4
Molecular Weight (g/mol)	15 kDa
Gene Symbol	Il4
Sequence	Human IL-4 isoform 1, amino acids His25-Ser153 (Accession # P05112-1) with an N-terminal Met
Expression System	E. coli
For Use With (Application)	Control,Bioactivity,Immunohistochemistry,Western Blot
Source	E. coli
Name	Human IL-4
Accession Number	P05112
Regulatory Status	RUO
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	Measured in a cell proliferation assay using TF-1 human erythroleukemic cells. The ED50 for this effect is 0.05-0.25 ng/mL
Gene ID (Entrez)	3565
Formulation	PBS with 5% mannitol, 5% trehalose, 0.01% Tween 80 and no preservative; pH 7.4
Recombinant	Recombinant

Gibco™ Wnt Surrogate-Fc Fusion Recombinant Protein

Recombinant Protein

Pricing & Availability
Specifications

Content And Storage	-20°Cor to +80°C if preferred
Purity or Quality Grade	>95%
Conjugate	Unconjugated
Form	Liquid
Common Name	WNT3A
Gene Symbol	WNT3A
Endotoxin Concentration	1 EU/mL
Concentration	2 mg/mL
Expression System	HEK293 cells
For Use With (Application)	Functional Assay
Source	HEK293 cells
Name	Wnt Surrogate-Fc Fusion
Accession Number	P56704
Regulatory Status	RUO
Gene Alias	MGC119418; MGC119419; MGC119420; Protein Wnt-3 A; vestigial tail; vt; wingless-related MMTV integration site 3 A; wingless-type MMTV integration site family member 3 A; wingless-type MMTV integration site family, member 3 like; wingless-type MMTV integration site family, member 3 A; Wnt 3 A; Wnt family member 3 A; wnt[a]; wnt3; wnt3 l; wnt3 like; Wnt3a; Wnt-3 A; WNT3A protein; wnt3l; Zwnt[a]
Biological Activity	Greater than 25 fold induction in Topflash assay activity (at a Wnt surrogate-Fc protein concentration between 0.03 - 5.0 nM (based on dimeric stoichiometry))
Gene ID (Entrez)	89780
Formulation	25 mM tris with 500 mM NaCl and no preservative; pH 8.2
Recombinant	Recombinant

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Recombinant Proteins

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

R&D Systems™ Recombinant Mouse EGF 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 Mouse TGF-beta 1 Protein GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

R&D Systems™ Recombinant Human FGF basic/FGF2/bFGF, 145 aa TC Grade GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

R&D Systems™ Recombinant Human NT-3 Protein

R&D Systems™ Recombinant Mouse EGF Protein

R&D Systems™ Recombinant Human SCF Protein

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

R&D Systems™ Recombinant Human FGF basic/FGF2/bFGF, 145 aa TC Grade