Recombinant Human Transmembrane-Peptide Basic Fibroblast Growth Factor (rh-TM-bFGF) NRPA52, EC 50 =0.5~2 ng/ml (CAT#: STEM-AL2-0867-ZJF)

This product is a preparation of Recombinant Human Transmembrane-Peptide Basic Fibroblast Growth Factor (rh-TM-bFGF), intended for cell culture and growth-factor research. It is supplied in a lyophilized formulation. The production source is Escherichia coli. The preparation is characterized by defined molecular properties and analytical quality data. Where activity data are provided, they establish a functional reference for biochemical use. The stated formulation or buffer supports controlled handling and reconstitution. Specified storage and transport conditions are intended to preserve material stability. The product is suited to laboratory workflows consistent with its stated biological or biochemical function.

Package Size: 10 µg, 100 µg, 1 mg, 10 mg, 100 mg
Form: lyophilized powder, pre-lyophilization solution: 5 mM PB (pH 8.0)
Molecular Weight: theoretical molecular weight29.4 kDa, SDS-PAGE approximately 38 kDa
Isoelectric Point: 7.26
Source: E. coli
Purity: ≥95% (SDS-PAGE)
Activity: EC 50 =0.5~2 ng/ml (BALB/c 3T3)
Endotoxin: <50 EU/mg
Extinction Coefficient: UV absorbance method, extinction coefficient E(0.1% at 280 nm) =0.997
Concentration Determination: UV absorbance method, extinction coefficient E(0.1% at 280 nm) =0.997
Storage: -20°C storage
Transport: cold transport with ice packs or dry ice
Shelf Life: 3 years

Lyophilized formulation
Defined production source
Analytical purity characterization
UV absorbance characterization
Functional activity characterization
Defined storage condition
Controlled transport condition
Cell-response protein format