PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2575377-3 1989 Although streptokinases with histidine-24 or glutamic acid-24 bound normally to human plasminogen, they were not able to generate active plasmin, whereas those with alanine-24 or glycine-24 (wild-type) could generate active plasmin. Glutamic Acid 45-58 plasminogen Homo sapiens 86-93