PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8384206-8 1993 A number of soluble and full-length TM analogs with the Met388-->Leu substitution are improved thrombin cofactors, whether produced in bacteria, insect, or mammalian cells. Leucine 68-71 coagulation factor II, thrombin Homo sapiens 98-106