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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

Gibco™ Human LIF, Animal-Free Recombinant Protein, PeproTech®

Recombinant Protein

EDGE ENCOMPASS_PREFERRED
Content And Storage -20°C
Purity or Quality Grade ≥ 98% by SDS-PAGE gel and HPLC analyses.
Conjugate Unconjugated
Form Lyophilized
Common Name LIF
Molecular Weight (g/mol) 19.6 kDa
Gene Symbol Lif
Endotoxin Concentration <0.1 EU/ μg
Sequence SPLPITPVNA TCAIRHPCHN NLMNQIRSQL AQLNGSANAL FILYYTAQGE PFPNNLDKLC GPNVTDFPPF HANGTEKAKL VELYRIVVYL GTSLGNITRD QKILNPSALS LHSKLNATAD ILRGLLSNVL CRLCSKYHVG HVDVTYGPDT SGKDVFQKKK LGCQLLGKYK QIIAVLAQAF
Expression System E. coli
For Use With (Application) Functional Assay
Source E. coli
Name Human LIF, Animal-Free
Accession Number P15018
Regulatory Status RUO
Gene Alias CDF; cholinergic differentiation factor; cholinergic neuronal differentiation factor; d factor; DIA; differentiation inhibitory activity; differentiation-inducing factor; differentiation-stimulating factor; Emfilermin; hepatocyte-stimulating factor III; HILDA; human interleukin in DA cells; leukemia inhibitory factor; leukemia inhibitory factor (cholinergic differentiation factor); LIF; Melanoma-derived LPL inhibitor; MLPLI; myeloid leukaemia inhibitory factor
Biological Activity Determined by its ability to stimulate the proliferation of human TF-1 cells. The expected ED50 is ≤ 0.1 ng/ml, corresponding to a specific activity of ≥ 1 x 10^7 units/mg
Gene ID (Entrez) 3976
Formulation protein with no preservative
Recombinant Recombinant
2

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.
3

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
4

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.
5

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
6

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
7

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
8

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.
9
Promotions Available

Gibco™ Human CNTF, Animal-Free Recombinant Protein, PeproTech®

Recombinant Protein

EDGE ENCOMPASS_PREFERRED
Content And Storage -20°C
Purity or Quality Grade ≥ 98% by SDS-PAGE gel and HPLC analyses.
Conjugate Unconjugated
Form Lyophilized
Common Name CNTF
Molecular Weight (g/mol) 22.8 kDa
Gene Symbol CNTF
Activity Determined by its ability to stimulate proliferation of human TF-1 cells using an ED50 concentration range of 50-150 ng/ml
Endotoxin Concentration <0.1 EU/ μg
Sequence AFTEHSPLTP HRRDLCSRSI WLARKIRSDL TALTQSYVKH QGLNKNINLD SADGMPVAST DQWSQLTQAQ RLQQNLQAYR TFHVLLARLL QDQQVHFTPT QGDFHQAIHT LLLQVAAFAY QIQQLMILLQ YKIPRNQADG MPINVGDGGL FQKKLWGLKV LQQLSQWTVR SIHDLRFISS HQTGIPARGS HYIANNKKM
Expression System E. coli
For Use With (Application) Functional Assay
Name Human CNTF, Animal-Free
Accession Number P26441
Regulatory Status RUO
Purification Method HPLC, SDS-PAGE
Gene Alias AI429687; Ciliary neurotrophic factor; ciliary neurotropic factor; Cntf; HCNTF; H-CNTF
Format Lyophilized
Product Type Protein
Biological Activity Determined by its ability to stimulate proliferation of human TF-1 cells using an ED50 concentration range of 50-150 ng/ml
Gene ID (Entrez) 1270
Formulation protein with no preservative
Recombinant Recombinant
10
Promotions Available

Gibco™ Human CNTF, Animal-Free Recombinant Protein, PeproTech®

Recombinant Protein

EDGE ENCOMPASS_PREFERRED
Content And Storage -20°C
Purity or Quality Grade ≥ 98% by SDS-PAGE gel and HPLC analyses.
Conjugate Unconjugated
Form Lyophilized
Common Name CNTF
Molecular Weight (g/mol) 22.8 kDa
Gene Symbol CNTF
Endotoxin Concentration <0.1 EU/ μg
Sequence AFTEHSPLTP HRRDLCSRSI WLARKIRSDL TALTQSYVKH QGLNKNINLD SADGMPVAST DQWSQLTQAQ RLQQNLQAYR TFHVLLARLL QDQQVHFTPT QGDFHQAIHT LLLQVAAFAY QIQQLMILLQ YKIPRNQADG MPINVGDGGL FQKKLWGLKV LQQLSQWTVR SIHDLRFISS HQTGIPARGS HYIANNKKM
Expression System E. coli
For Use With (Application) Functional Assay
Source E. coli
Name Human CNTF, Animal-Free
Accession Number P26441
Regulatory Status RUO
Gene Alias AI429687; Ciliary neurotrophic factor; ciliary neurotropic factor; Cntf; HCNTF; H-CNTF
Biological Activity Determined by its ability to stimulate proliferation of human TF-1 cells using an ED50 concentration range of 50-150 ng/ml
Gene ID (Entrez) 1270
Formulation protein with no preservative
Recombinant Recombinant
11

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.
12

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
13

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
14

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
15

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.