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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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1

R&D Systems™ Recombinant Human BDNF Protein, Animal-Free

Recombinant Protein

Accession Number P23560.1
Purity or Quality Grade >97%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie« Blue Staining.
Conjugate Unconjugated
Gene Alias abrineurin, ANON2, brain-derived neurotrophic factor, BULN2, MGC34632, neurotrophin
Molecular Weight (g/mol) M.W.-observed: 12 kDa, under reducing conditions., M.W.-theroretical: 13.1 kDa
Gene ID (Entrez) 627
Formulation Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
Reconstitution Reconstitute the 25μg size at 250μg/mL in PBS. Reconstitute all other sizes at 500μg/mL in PBS.
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 BDNF
Source E. coli-derived human BDNF protein Arg134-Arg247, with an N-terminal Met Produced using non-animal reagents in an animal-free laboratory.
2

R&D Systems™ Recombinant Mouse LIF, Animal-Free Protein

Accession Number P09056.1
Conjugate Unconjugated
Gene Alias CDF, D factor, DIA, differentiation inhibitory activity, differentiation stimulating factor, Differentiation-stimulating factor, Emfilermin, HILDAcholinergic differentiation factor, leukemia inhibitory factor, leukemia inhibitory factor (cholinergic differentiation factor), Melanoma-derived LPL inhibitor, MLPLI
Molecular Weight (g/mol) M.W. (Observed): Monomeric mouse LIF protein only, M.W. (Theroretical): 20 kDa
Gene ID (Entrez) 3976
Formulation Lyophilized from acetonitrile/TFA
Reconstitution Resuspend in 10 mM HCl at >100 μg/mL, prepare single use aliquots, add carrier protein if desired.
Endotoxin Concentration <0.10 EU per 1 μg of the protein by the LAL method.
Storage Requirements Store lyophilized protein between -20°C to -80°C until the date of expiry. Avoid freeze-thaw cycles.
For Use With (Application) Bioactivity
Protein LIF
Source E. coli-derived mouse LIF protein
3

R&D Systems™ Recombinant Human Betacellulin Protein, Animal-Free

Accession Number P35070.1
Purity or Quality Grade >97%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
Conjugate Unconjugated
Gene Alias betacellulin, BTC, probetacellulin
Gene ID (Entrez) 685
Formulation Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
Reconstitution Reconstitute at 100-500 μg/mL in PBS.
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.
Protein Betacellulin/BTC
Source E. coli-derived human Betacellulin/BTC protein Asp32-Gln118, with an N-terminal Met Produced using non-animal reagents in an animal-free laboratory.
4

R&D Systems™ Recombinant Human Noggin, Animal-Free Protein

Accession Number Q13253.1
Conjugate Unconjugated
Gene Alias noggin, SYM1, symphalangism 1 (proximal), synostoses (multiple) syndrome 1, SYNS1
Molecular Weight (g/mol) M.W. (Observed): Oligomeric human Noggin protein only, M.W. (Theroretical): 46 kDa (dimer)
Gene ID (Entrez) 9241
Formulation Lyophilized from acetonitrile/TFA
Reconstitution Resuspend in 10 mM HCl at >100 μg/mL, prepare single use aliquots, add carrier protein if desired.
Endotoxin Concentration <0.10 EU per 1 μg of the protein by the LAL method.
Storage Requirements Store lyophilized protein between -20°C to -80°C until the date of expiry. Avoid freeze-thaw cycles.
For Use With (Application) Bioactivity
Protein Noggin
Source E. coli-derived human Noggin protein
5

R&D Systems™ Recombinant Human GDNF, Animal Free Protein

Accession Number P39905.1
Conjugate Unconjugated
Gene Alias Astrocyte-derived trophic factor, ATF, ATF1, ATF2, glial cell derived neurotrophic factor, glial cell line derived neurotrophic factor, glial cell line-derived neurotrophic factor, HFB1-GDNF, hGDNF, HSCR3
Molecular Weight (g/mol) M.W. (Observed): Dimeric GDNF protein only, M.W. (Theroretical): 30.4 kDa (dimer), 15 kDa (monomer)
Gene ID (Entrez) 2668
Formulation Lyophilized from acetonitrile/TFA
Reconstitution Resuspend in water at >100 μg/mL, prepare single use aliquots, add carrier protein if desired.
Endotoxin Concentration <0.10 EU per 1 μg of the protein by the LAL method.
Storage Requirements Store lyophilized protein between -20°C to -80°C until the date of expiry. Avoid freeze-thaw cycles.
For Use With (Application) Bioactivity
Protein GDNF
Source E. coli-derived human GDNF protein
6

R&D Systems™ Recombinant Human LIF, Animal-Free Protein

Accession Number P15018.1
Conjugate Unconjugated
Gene Alias CDF, D factor, DIA, differentiation inhibitory activity, differentiation stimulating factor, Differentiation-stimulating factor, Emfilermin, HILDAcholinergic differentiation factor, leukemia inhibitory factor, leukemia inhibitory factor (cholinergic differentiation factor), Melanoma-derived LPL inhibitor, MLPLI
Molecular Weight (g/mol) M.W. (Observed): Monomeric human LIF protein only, M.W. (Theroretical): 17 kDa
Gene ID (Entrez) 3976
Formulation Lyophilized from acetonitrile/TFA
Reconstitution Resuspend in 10 mM HCl at >100 μg/mL, prepare single use aliquots, add carrier protein if desired.
Endotoxin Concentration <0.10 EU per 1 μg of the protein by the LAL method.
Storage Requirements Store lyophilized protein between -20°C to -80°C until the date of expiry. Avoid freeze-thaw cycles.
For Use With (Application) Bioactivity
Protein LIF
Source E. coli-derived human LIF protein
7

R&D Systems™ Recombinant Human IL-2 Protein, Animal-Free

Contains the Cysteine to Serine substitution found in Proleukin™ (aldesleukin)

Accession Number P60568.1
Purity or Quality Grade >97%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
Conjugate Unconjugated
Gene Alias aldesleukin, IL2, IL-2, IL-2 lymphokine, interleukin 2, interleukin-2, involved in regulation of T-cell clonal expansion, Proleukin, T cell growth factor, T-cell growth factor, TCGF
Molecular Weight (g/mol) M.W.-observed: 13 kDa, under reducing conditions., M.W.-theroretical: 15.5 kDa
Gene ID (Entrez) 3558
Formulation Lyophilized from a 0.2 μm filtered solution in Sodium Acetate with Trehalose.
Reconstitution Reconstitute at 500 μg/mL in sterile deionized water.
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 IL-2
Source E. coli-derived human IL-2 protein Ala21-Thr153 (Cys145Ser), with and without an N-terminal Met Produced using non-animal reagents in an animal-free laboratory.
8

R&D Systems™ Recombinant Human IL-21 Protein, Animal-Free

Accession Number Q9HBE4.3
Conjugate Unconjugated
Gene Alias CVID11, IL21, IL-21Za11interleukin-21, interleukin 21, interleukin-21 isoform, Za11
Molecular Weight (g/mol) M.W.-observed: 15-17 kDa, under reducing conditions., M.W.-theroretical: 15 kDa
Gene ID (Entrez) 59067
Formulation Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
Reconstitution Reconstitute 25 μg size at 250 μg/mL in PBS and all the other sizes at 500 μg/mL in PBS.
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 to -70 °C under sterile conditions after reconstitution.
For Use With (Application) Bioactivity
Protein IL-21
Source E. coli-derived human IL-21 protein Gln32-Ser162 with a N-terminal Met Produced using non-animal reagents in an animal-free laboratory.
9

R&D Systems™ Recombinant Human PDGF-AA, Animal-Free Protein

Measured in a cell proliferation assay using NR6R-3T3 mouse fibroblast cells. ED50 for this effect is 50 to 200 ng/mL in a fluorometric assay using the redox sensitive dye, Resazurin.

Accession Number P04085.1
Purity or Quality Grade >97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Conjugate Unconjugated
Gene Alias PDGF1, PDGF-A, PDGFAA
Molecular Weight (g/mol) M.W. theroretical: 14 kDa (monomer)
Gene ID (Entrez) 5154
Gene Symbol PDGFA
Reconstitution Reconstitute at 0.2 mg/mL in sterile 4 mM HCl.
For Use With (Application) Bioactivity
Species Human
10

R&D Systems™ Recombinant Human IL-15 Protein, Animal-Free

Animal-Free.

Accession Number P40933.1
Conjugate Unconjugated
Gene Alias IL15, IL-15 mgC9721, interleukin 15, interleukin-15
Molecular Weight (g/mol) MolecularWeight-observed: 9 kDa, under reducing conditions; MolecularWeight-theroretical: 13 kDa
Gene ID (Entrez) 3600
Formulation Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
Reconstitution Reconstitute at 100-500 μg/mL in PBS.
Storage Requirements Store the unopened product at -20°C to -70°C. Use a manual defrost freezer and avoid repeated freeze-thaw cycles. Do not use past expiration date.
For Use With (Application) Bioactivity
Protein IL-15
11

R&D Systems™ Recombinant Human M-CSF, Animal-Free Protein

Measured in a cell proliferation assay using M-NFS-60 mouse myelogenous leukemia lymphoblast cells

Accession Number NP_757350.2
Purity or Quality Grade >97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Conjugate Unconjugated
Molecular Weight (g/mol) 18.5 kDa (monomer)
Gene ID (Entrez) 1435
Gene Symbol CSF1
Reconstitution Reconstitute at 0.2 mg/mL in sterile PBS.
For Use With (Application) Bioactivity
Species Human
Name colony stimulating factor 1 (macrophage), CSF1, CSF-1, Lanimostim, macrophage colony stimulating factor, macrophage colony-stimulating factor 1, MCSF, M-CSF, MCSFlanimostim, MGC31930
12

R&D Systems™ Recombinant Human VEGF 165 Protein, Animal-Free

Accession Number NP_001165097.1
Purity or Quality Grade >97%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie™ Blue Staining.
Conjugate Unconjugated
Gene Alias MVCD1, VAS, vascular endothelial growth factor A, Vascular permeability factor, Vasculotropin, VEGFA, VEGF-A, VEGFMGC70609, VPF, VPFvascular endothelial growth factor
Molecular Weight (g/mol) M.W.-observed: 19-21 kDa, under reducing conditions., M.W.-theroretical: 19.2 kDa (monomer)
Gene ID (Entrez) 7422
Formulation Lyophilized from a 0.2 μm filtered solution in Sodium Acetate.
Reconstitution Reconstitute at 500 μg/mL in sterile deionized water.
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 VEGF
Source E. coli-derived human VEGF protein Ala27-Arg191 Produced using non-animal reagents in an animal-free laboratory.
13

R&D Systems™ Recombinant Human PDGF-BB, Animal-Free Protein

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

Accession Number P01127
Purity or Quality Grade >97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Conjugate Unconjugated
Molecular Weight (g/mol) 12.3 kDa (monomer)
Gene ID (Entrez) 5155
Gene Symbol PDGFB
Reconstitution Reconstitute at 0.2 mg/mL in sterile 4 mM HCl.
For Use With (Application) Bioactivity
Species Human
14

R&D Systems™ Recombinant Human FGF-4, Animal-Free Protein

Accession Number P08620.1
Conjugate Unconjugated
Gene Alias fibroblast growth factor 4, HBGF-4Transforming protein KS3, heparin secretory transforming protein 1, Heparin secretory-transforming protein 1, Heparin-binding growth factor 4, HST-1HSTF-1, HSTF1fibroblast growth factor 4 splice isoform, HSTFGF-4, human stomach cancer, transforming factor from FGF-related oncogene, kaposi sarcoma oncogene, KFGF, K-FGF, KS3, oncogene HST
Molecular Weight (g/mol) M.W. (Observed): Monomeric FGF-4 protein only, M.W. (Theroretical): 14 kDa
Gene ID (Entrez) 2249
Formulation Lyophilized from HEPES/NaCl/mannitol
Reconstitution Resuspend in water at >100 μg/mL, prepare single use aliquots, add carrier protein if desired.
Endotoxin Concentration <0.10 EU per 1 μg of the protein by the LAL method.
Storage Requirements Store lyophilized protein between -20°C to -80°C until the date of expiry. Avoid freeze-thaw cycles.
For Use With (Application) Bioactivity
Protein FGF-4
Source E. coli-derived human FGF-4 protein
15

R&D Systems™ Recombinant Human HGF (NK1), Animal-Free Protein

Accession Number P14210.2
Conjugate Unconjugated
Gene Alias deafness, autosomal recessive 39, DFNB39, EC 3.4.21, EC 3.4.21.7, fibroblast-derived tumor cytotoxic factor, F-TCF, hepatocyte growth factor (hepapoietin A; scatter factor), Hepatopoeitin-A, HGFB, HPTAhepatocyte growth factor, lung fibroblast-derived mitogen, Scatter factor, SFhepatopoeitin-A
Molecular Weight (g/mol) M.W. (Observed): Monomeric HGF (NK1) protein only, M.W. (Theroretical): 20 kDa
Gene ID (Entrez) 3082
Formulation Lyophilized from acetonitrile/TFA
Reconstitution Resuspend in 10 mM HCl at >100 μg/mL, prepare single use aliquots, add carrier protein if desired.
Endotoxin Concentration <0.10 EU per 1 μg of the protein by the LAL method.
Storage Requirements Store lyophilized protein between -20°C to -80°C until the date of expiry. Avoid freeze-thaw cycles.
For Use With (Application) Bioactivity
Protein HGF
Source E. coli-derived human HGF protein