Alternative name: Fibroblast growth factor-4, HST-1, Transforming protein KS3, HBGF-4. Purity: ≥95% (SDS & HPLC). Formulation: Lyophilized from 10mM sodium phosphate, pH 7.4, containing 100mM NaCl. Source: Produced in E. coli. Long Term Storage: -20°C.