>4bs0A (A:) observed residues (from ATOM records)
qsidqlikargkvyfgvatdqnrlttgknaaiikadfgmvwpensmqwdatepsqgnfnf
agadylvnwaqqngkligagclvwhnflpswvssitdkntlinvmknhittlmtrykgki
rtwdvvgeafnedgslrqnvflnvigedyipiafqtaraadpnaklyimdynldsasypk
tqaivnrvkqwraagvpidgigsqmhlsagqgagvlqalpllasagtpevsilmldvaga
sptdyvnvvnaclnvqscvgitvmgvadpdsafasstpllfdgnfnpkpaynaivqdlqq