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 IGF-I Recombinant Protein

Recombinant Protein

Pricing & Availability
Specifications

Protein Family	Growth Factors & Receptors
Purity or Quality Grade	≥98% by SDS-PAGE and HPLC
Conjugate	Unconjugated
Form	Lyophilized
Common Name	IGF1
Molecular Weight (g/mol)	7.5 kDa
Endotoxin Level	<1 EU/ml
Activity	ED50 ≤ 2 ng/mL; determined by the dose-dependent proliferation of FDC-P1 cells.
Endotoxin Concentration	<0.1 ng/μg
Expression System	E. coli
For Use With (Application)	Bioactivity
Name	Human IGF-I
Purification Method	Purified
Gene Alias	C730016P09Rik; class 1 insulin-like growth factor I preproprotein; class 2 insulin-like growth factor I preproprotein; H-IGF-1; IBP1; IGF; IGF1; Igf-1; IGF1A; IGFI; Igf-I; IGFIa; IGF-IA; IGF-IB; insulin growth factor-1; Insulin like growth factor; insulin like growth factor 1; insulin-like growth factor 1; insulin-like growth factor 1 (somatomedin C); insulin-like growth factor I; insulin-like growth factor I (somatomedin C); insulin-like growth factor IB; mechano growth factor; MGF; M-IGF-1; OTTHUMP00000195084; prepro-IGF-I; prepro-insulin-like growth factor I; R-IGF-1; somatomedin; Somatomedin C; Somatomedin-C
Protein Form	Recombinant, Ligand
Biological Activity	ED50 ≤ 2 ng/mL; determined by the dose-dependent proliferation of FDC-P1 cells.
Formulation	Protein with no preservative
Classification	Carrier-Free
Research Category	Neurobiology, Drug Development, Oncology, Signal Transduction
Species	Human
Recombinant	Recombinant
Content And Storage	-20°C
Bioassay	proliferation of mouse FDC-P1 cells
Gene Symbol	IGF1
Sequence	GPETLCGAEL VDALQFVCGD RGFYFNKPTG YGSSSRRAPQ TGIVDECCFR SCDLRRLEMY CAPLKPAKSA
Storage Requirements	-20°C
Protein Subtype	IGFs (Insulin-Like Growth Factors)
Accession Number	P05019
Regulatory Status	RUO
Product Type	Protein
Gene ID (Entrez)	3479

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R&D Systems™ Recombinant Human IL-6R 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

Invitrogen™ Lectin PNA From Arachis hypogaea (peanut), Alexa Fluor™ 568 Conjugate

Specific for terminal β-galactose

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™ Human Apo-Transferrin 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	90%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Conjugate	Unconjugated
Formulation	Lyophilized from a 0.2μm filtered solution in deionized water.
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	Human plasma-derived Apo-Transferrin protein The human plasma used for the isolation of this product were certified by the supplier to be negative for HIV I and II antibodies, Hepatitis C antibody and Hepatitis B antigen at the time of shipment. Human blood products should always be treated in accordance with universal handling precautions.
Name	Apo-Transferrin

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R&D Systems™ Recombinant Mouse IL-4 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	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
Molecular Weight (g/mol)	14 kDa
Gene ID (Entrez)	16189
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 IL-4 protein His23-Ser140,with an N-terminal Met
Recombinant	Recombinant
Name	IL-4

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 Human NRG1/HRG1 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 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

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

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

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

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 R-Spondin 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	90%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Conjugate	Unconjugated
Molecular Weight (g/mol)	25.6 kDa
Gene ID (Entrez)	284654
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 human R-Spondin 1 protein Ser21-Ala263
Recombinant	Recombinant
Name	R-Spondin 1

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Recombinant Proteins

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

R&D Systems™ Recombinant Mouse IL-4 Protein GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

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 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 Mouse TGF-beta 1 Protein GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

R&D Systems™ Human Apo-Transferrin Protein

R&D Systems™ Recombinant Mouse IL-4 Protein

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 Human FGF basic/FGF2/bFGF, 145 aa TC Grade

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