PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11863437-3 2002 Here we determine rate and equilibrium constants for the steps involved in PSA*ACT* formation and demonstrate that (a) the effects of added NaCl, polyamines, and Zn(2+) on this process parallel their effects on PSA catalytic activity [Hsieh, M.-C., and Cooperman, B. S. (2000) Biochim. Polyamines 146-156 kallikrein related peptidase 3 Homo sapiens 75-78