>6cx7A (A:) observed residues (from ATOM records)
nytfrclqmssfanrswsrtdsvvwlgdlqthrwsndsatisftkpwsqgklsnqqwekl
qhmfqvyrvsftrdiqelvkmmspkedypieiqlsagcemypgnasesflhvafqgkyvv
rfwgtswqtvpgapswldlpikvlnadqgtsatvqmllndtcplfvrglleagksdlekq
ekpvawlssvpghrqlvchvsgfypkpvwvmwmrgdqeqqgthrgdflpnadetwylqat
ldveageeaglacrvkhsslggqdiilyw