Precursor protein consists of 352 amino acids, mw 38.479 kD from serratia marcescens; mature protein consists of 300 amino acids mw 32.515 kD with optimal activity at pH 8.0 and 50c; do not confuse with smp protein, a membrane protein from E coli
Registry number: EC 3.4.24.-
Synonym: smp proteinase
(26 Jun 1999)