>2b1vA (A:) observed residues (from ATOM records)
slalsltadqmvsalldaeppilyseydptrpfseasmmglltnladrelvhminwakrv
pgfvdltlhdqvhllecawleilmiglvwrsmehpgkllfapnllldrnqgkcvegmvei
fdmllatssrfrmmnlqgeefvclksiillnsgvytfeekdhihrvldkitdtlihlmak
agltlqqqhqrlaqlllilshirhmsnkgmehlysmkcknvvplsdlllemldahr