the purified material has a specific activity by somatomedin c radioimmunoassay of 9160 units/mg ( 1 unit is defined as the amount of somatomedin present in 1 ml normal adult male human serum ) , representing a 650,000-fold purification , and possesses sulphation , mitogenic and insulin-like activities ( specific activities of 3388 units/mg , 832 units insulin equivalents/mg and 1122 units/mg respectively ) .
C0021665
somatomedin c
C0037657
somatomedin