>4iw4_D mol:protein length:142 Ecotin AESVQPLEKIAPYPQAEKGMKRQVIQLTPQEDESTLKVELLIGQTLEVDCNLHRLGGKL ENKTLEGWGYDYYVFDKVSSPVSTMMACPDGKKEKKFVTAYLGDAGMLRYNSKLPIVVY TPDNVDVKYRVWKAEEKIDNAVVR