>2b23B (B:) observed residues (from ATOM records)
slalsltadqmvsalldaeppilyseydptrpfseasmmglltnladrelvhminwakrv
pgfvdltlhdqvhllecawleilmiglvwrsmehpgkllfapnllldrnqgkcvegmvei
fdmllatssrfrmmnlqgeefvclksiillnsgvytfkdhihrvldkitdtlihlmakag
ltlqqqhqrlaqlllilshirhmsnkgmehlysmkcknvvplsdlllemldah