>1f0s_B mol:protein length:134 COAGULATION FACTOR XA EEMKKGHLERECMEETCSYEEAREVFEDSDKTNEFWNKYKDGDQCETSPCQNQGKCKDG LGEYTCTCLEGFEGKNCELFTRKLCSLDNGDCDQFCHEEQNSVVCSCARGYTLADNGKA CIPTGPYPCGKQTLER