_:b663961967 "ISBN:0123195837" . _:b663961967 . _:b663961967 . _:b663961967 . _:b663961967 . _:b663961967 "Structural homology that involves structures with the same or similar relative positions." . _:b663961967 . _:b663961967 . _:b663961967 . _:b663961967 .