>5csuB (B:) observed residues (from ATOM records)
isvgedfpseyeqwlpvpdpesrrragvllhptsfrgphgigdlgeeafrfidwlhstgc
svwqvlplvppdeggspyagqdancgntllisldelvkdgllikdelpqpidadsvnyqt
anklksplitkaakrlidgngelksklldfrndpsiscwledaayfaaidntlnayswfe
wpeplknrhlsaleaiyesqkefidlfiakqflfqrqwqkvreyarrqgvdimgdmpiyv
gyhsadvwankkhfllnkkgfpllvsgvppdlfsetgqlwgsplydwkamesdqyswwvn
rirraqdlydecridhfrgfagfwavpseakvamvgrwkvgpgkslfdaiskgvgkikii
aedlgvitkdvvelrksigapgmavlqfafgggadnphlphnhevnqvvysgthdndtir
gwwdtldqeekskamkylsiageddiswsviqaafsstaqtaiipmqdilglgssarmnt
patevgnwgwripsstsfdnletesdrlrdllslygrl