>2b1zA (A:) observed residues (from ATOM records)
slalsltadqmvsalldaeppilyseydptrpfseasmmglltnladrelvhminwakrv
pgfvdltlhdqvhllecawleilmiglvwrsmehpgkllfapnllldrnqgkcvegmvei
fdmllatssrfrmmnlqgeefvclksiillnsgvytfekdhihrvldkitdtlihlmaka
gltlqqqhqrlaqlllilshirhmsnkgmehlysmkcknvvplsdlllemldahr