>3d54A (A:) observed residues (from ATOM records)
klrylnilkeklgreptfvelqafsvmwsehcgyshtkkyirrlpktgnagvvnlddyys
vafkieshnhpsaiepyngaatgvggiirdvlamgarptaifdslhmsriidgiiegiad
ygnsigvptvggelrisslyahnplvnvlaagvvrndmlvdskasrpgqvivifggatgr
dgtklsiqvgdpfaekmlieaflemveeglvegaqdlgaggvlsatselvakgnlgaivh
ldrvplrepdmepweilisesqermavvtspqkasrileiarkhllfgdvvaevieepvy
rvmyrndlvmevpvqllanapeediveytpgkipefkrvefeevnarevfeqydhmvgtd
tvvppgfgaavmrikrdggyslvthsradlalqdtywgtliavlesvrktlsvgaeplai
tncvnygdpdvdpvglsammtalknacefsgvpvasgnaslyntyqgkpipptlvvgmlg
kvnpqkvakpkpskvfavgwndfelerekelwrairklseegafilsssqlltrthvetf
reyglkievklpevrpahqmvlvfsertpvvdvpvkeigtlsr