BP000252-C034: Recombinant Human Stem Cell Factor (SCF) Protein
Source: E. coli-derived.
The ED50 as determined by the dose-dependant stimulation of Human TF-1 cells is less then 2 ug/ml, corresponding to a Specific Activity of 5.0 x 105 IU/mg.
Purity: > 95% by SEC-HPLC and reducing SDS-PAGE.
Endotoxin: < 0.1 ng/ug (1 EU/ug).BP000252-CYT-111: Recombinant Human Stem Cell Factor (SCF), HEK Protein
Source: HEK-derived.
The specific activity was determined by the dose-dependent stimulation of the proliferation of human TF-1 cells (human erythroleukemic indicator cell line) and is typically 5-25 ug/ml.
Purity: > 95% by SDS-PAGE.BP000252-CYT-255: Recombinant Human Stem Cell Factor (SCF) Protein
Source: E. coli-derived.
The ED50 as determined by the dose-dependant stimulation of Human TF-1 cells is < 2 ug/ml, corresponding to a Specific Activity of 500,000 IU/mg.
Purity: > 98% by SDS-PAGE and SEC-HPLC.BP000252-CYT-275: Recombinant Mouse Stem Cell Factor (SCF) Protein
Source: E. coli-derived.
The ED50 as determined by the dose-dependant stimulation of Human TF-1 cell line is < 10 ng/ml, corresponding to a Specific Activity of 100,00 IU/mg.
Purity: > 98% by SDS-PAGE and SEC-HPLC.BP000252-CYT-323: Recombinant Rat Stem Cell Factor (SCF) Protein
Source: E. coli-derived.
The ED50 is determined by the dose-dependant stimulation of the proliferation of human TF-1 cells which is < 10 ng/ml, corresponding to a specific activity of 100,000 units/mg.
Purity: > 98% by SDS-PAGE and SEC-HPLC.BP000252-CYT-421: Recombinant Human Stem Cell Factor (SCF) Protein, Sf9
Source: Sf9, Insect Cells-derived.
The ED50 as determined by the dose-dependant stimulation of Human TF-1 cells is typically 2-5 ng/ml, corresponding to a Specific Activity of 200,000-500,000 units/mg.
Purity: > 95.0% by RP-HPLC and SDS-PAGE.