>1bvsf.pdb MIFSVRGEVLEVALDHAVIEAAGIGYRVNATPSALATL-NQGSQARLVTAMVVREDSMTLYGFSDAENRDLFLALLSVSG VGPRLAMATLAVHDAAALRAALADSDVASLTRVPGIGARGAERIVLELADKVGPG-----------NAVRGSVVEALVGL GFAAKQAEEATDQVLDGE----ATSSALRAALSLLGKT >1cuk.pdb MIGRLRGIIIEKQPPLVLIEVGGVGYEVHMPMTCFYELPEAGQEAIVFTHFVVREDAQLLYGFNNKQERTLFKELIKTNG VGPKLALAILSGMSAQQFVNAVEREEVGALVKLPGIGKKTAERLIVEMKDRF---KGLHGDLFTPTDDAEQEAVARLVAL GYKPQEASRMVSKIA---RPDASSETLIREALRAAL--