>1sqbB (B:) observed residues (from ATOM records) agvpphpqdleftrlpnglviaslenyapasriglfikagsryensnnlgtshllrlass lttkgassfkitrgieavggklsvtstrenmaytveclrddvdilmefllnvttapefrr wevaalqpqlridkavalqnpqahvienlhaaayrnalanslycpdyrigkvtpvelhdy vqnhftsarmaliglgvshpvlkqvaeqflnirgglglsgakakyhggeireqngdslvh aalvaesaaigsaeanafsvlqhvlgagphvkrgsnatsslyqavakgvhqpfdvsafna sysdsglfgfytisqaasagdvikaaynqvktiaqgnlsnpdvqaaknklkagylmsves segfldevgsqalaagsytppstvlqqidavadadvinaakkfvsgrksmaasgnlghtp fidel