_:b665386113 . _:b665386113 . _:b665386113 "Structural homology that involves structures with the same or similar relative positions." . _:b665386113 . _:b665386113 . _:b665386113 . _:b665386113 . _:b665386113 "ISBN:0123195837" . _:b665386113 . _:b665386113 .