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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151 – 165 of 118,333 results

151

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R&D Systems™ Recombinant Human IFN-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

152

R&D Systems™ Recombinant Human FGF basic/FGF2/bFGF (145 aa) Protein

Measured in a cell proliferation assay using NR6R-3T3 mouse fibroblast cells.

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. (theoretical): 16 kDa
Gene Symbol	FGF2
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	FGF basic/FGF2/bFGF
Source	E. coli-derived human FGF basic/FGF2/bFGF protein Ala144-Ser288
Accession Number	NP_001997
Gene ID (Entrez)	2247
Formulation	Lyophilized from a 0.2 μm filtered solution in Tris-HCl and NaCl.
Reconstitution	Reconstitute at 100 μg/mL in sterile PBS.
Species	Human

153

Invitrogen™ Bovine TNF-alpha Recombinant Protein

Recombinant Protein

Pricing & Availability
Specifications

Regulatory Status	RUO
Conjugate	Unconjugated
Form	Lyophilized
Molecular Weight (g/mol)	17.4 kDa
Formulation	PBS with no preservative
Sequence	Bovine TNF-alpha, amino acids 77-233 (Accession # Q06599)
For Use With (Application)	ELISA,Immunoprecipitation,Western Blot
Source	Yeast
Name	Bovine TNF-alpha
Recombinant	Recombinant

154

R&D Systems™ Cultrex Poly-L-Ornithine Solution

R&D Systems™ Cultrex™ Poly-L-Ornithine Solution is a highly positively charged amino acid chain, which is generally used as a coating reagent to promote cell adhesion in culture.

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155

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R&D Systems™ Recombinant Human IL-31 (HEK293-expressed) Protein

Carrier Free Recombinant Protein

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156

Gibco™ Mouse IL-4 Recombinant Protein

Recombinant Protein

Pricing & Availability
Specifications

Protein Family	Cytokines & Receptors
Purity or Quality Grade	>96% by SDS-PAGE and RP-HPLC
Conjugate	Unconjugated
Form	Lyophilized
pH Range	7.4
Common Name	IL-4
Molecular Weight (g/mol)	13.5 kDa
Activity	ED50 ≤ 2 ng/mL; determined by the dose-dependent proliferation of mouse HT-2 cells.
Expression System	E. coli
For Use With (Application)	Bioactivity
Name	Mouse IL-4
Purification Method	Purified
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
Protein Form	Recombinant, Ligand
Biological Activity	ED50 = 2 ng/mL; determined by the dose-dependent proliferation of mouse HT-2 cells.
Formulation	PBS with no preservative; pH 7.4
Research Category	Immunology, Stem Cell Research, Inflammation
Species	Mouse
Recombinant	Recombinant
Shipping Condition	Approved for shipment on Wet or Dry Ice
Content And Storage	-20°C
Gene Symbol	Il4
Sequence	MHIHGCDKNH LREIIGILNE VTGEGTPCTE MDVPNVLTAT KNTTESELVC RASKVLRIFY LKHGKTPCLK KNSSVLMELQ RLFRAFRCLD SSISCTMNES KSTSLKDFLE SLKSIMQMDY S
Storage Requirements	-20°C
Protein Subtype	Interleukins
Accession Number	P07750
Regulatory Status	RUO
Product Type	Protein
Gene ID (Entrez)	16189
Product Line	Gibco

157

R&D Systems™ Recombinant Human KGF/FGF-7 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	FGF7, FGF-7, fibroblast growth factor 7HBGF-7, HBGF7, HBGF-7, Heparin-binding growth factor 7, keratinocyte growth factor, KGFfibroblast growth factor 7 (keratinocyte growth factor)
Molecular Weight (g/mol)	19 kDa
Gene ID (Entrez)	2252
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 KGF/FGF-7 protein Cys32-Thr194,with an N-terminal Met
Recombinant	Recombinant
Name	KGF/FGF-7

158

R&D Systems™ Recombinant Mouse Leptin 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)	16 kDa
Gene ID (Entrez)	16846
Formulation	Lyophilized from a 0.2μm filtered solution in Tris-HCl and NaCl.
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 Leptin/OB protein Val22-Cys167,with an N-terminal Met
Recombinant	Recombinant
Name	Leptin/OB

159

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

160

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

161

Invitrogen™ Lectin HPA From Helix pomatia (edible snail), Alexa Fluor™ 647 Conjugate

Suitable for use in cellular imaging and flow cytometry

Pricing & Availability

162

Invitrogen™ Human beta Amyloid (1-42) PTD Recombinant Protein

Recombinant Protein

Pricing & Availability
Specifications

Shipping Condition	Dry Ice
Content And Storage	-20°C
Purity or Quality Grade	≥95% by HPLC
Conjugate	Unconjugated
Form	Lyophilized
Common Name	Amyloid beta 42
Molecular Weight (g/mol)	4.5 kDa
Gene Symbol	APP
Sequence	H2N-Asp-Ala-Glu-Phe-Arg-His-Asp-Ser-Gly-Tyr-Glu-Val-His-His-Gln-Lys-Leu-Val-Phe-PheAla-Glu-Asp-Val-Gly-Ser-Asn-Lys-Gly-Ala-Ile-Ile-Gly-Leu-Met-Val-Gly-Gly-Val-Val-Ile-Ala-OH
Storage Requirements	-20°C
Expression System	proprietary
For Use With (Application)	Bioactivity
Protein Subtype	Amyloid-Related Proteins, Neuropeptides
Name	Human beta Amyloid (1-42) PTD
Accession Number	P05067
Regulatory Status	RUO
Purification Method	Purified
Gene Alias	A beta 1 42; A β 1 42; A4; AAA; AB42; Abeta; Abeta40; Abeta42; ABPP; AD1; Adap; AG; AICD-50; AICD-57; AICD-59; AID(50); AID(57); AID(59); Alpha-CTF; Alpha-secretase C-terminal fragment; Alzheimer disease amyloid A4 protein homolog; alzheimer disease amyloid protein; Amyloid; amyloid A4; Amyloid b; Amyloid beta; amyloid beta (A4) precursor protein; Amyloid beta 1 42; amyloid beta A4 protein; amyloid beta precursor protein; Amyloid intracellular domain 50; Amyloid intracellular domain 57; Amyloid intracellular domain 59; Amyloid precursor protein; Amyloid β; Amyloid-beta A4 protein; Amyloid-beta precursor protein; Amyloid-beta protein 40; Amyloid-beta protein 42; Amyloidogenic glycoprotein; APP; APP-C57; APP-C59; APP-C99; APPI; appican; Aβ 1 42; B APP42; BAPP42; beta-amyloid peptide; beta-amyloid peptide(1-40); beta-amyloid peptide(1-42); beta-amyloid precursor protein; betaApp; Beta-APP40; BetaAPP42; Beta-APP42; Beta-CTF; Beta-secretase C-terminal fragment; C31; C80; C83; C99; Cerebral vascular amyloid peptide; CTFgamma; Cvap; E030013M08Rik; Gamma-CTF(50); Gamma-CTF(57); Gamma-CTF(59); Gamma-secretase C-terminal fragment 50; Gamma-secretase C-terminal fragment 57; Gamma-secretase C-terminal fragment 59; N-APP; P3(40); P3(42); peptidase nexin-II; PN2; PN-II; PreA4; protease nexin II; protease nexin-II; S-APP-alpha; S-APP-beta; Soluble APP-alpha; Soluble APP-beta; testicular tissue protein Li 2; β APP42; βAPP42
Product Type	Protein
Gene ID (Entrez)	351
Formulation	Protein with no preservative
Research Category	Neurobiology
Species	Human
Recombinant	Recombinant

163

Invitrogen™ Lectin PHA-L From Phaseolus vulgaris (red kidney bean), Alexa Fluor™ 594 Conjugate

Suitable for use in cell tracing and tracking, cellular imaging and flow cytometry

Pricing & Availability

164

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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

165

Invitrogen™ Lectin PNA From Arachis hypogaea (peanut), Alexa Fluor™ 647 Conjugate

Specific for terminal β-galactose

Pricing & Availability

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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 TNF-alpha Protein