>3os9B (B:) observed residues (from ATOM records) lalsltadqmvsalldaeppilyseydptrpfseasmmglltnladrelvhminwakrvp gfvdltrhdqvhllecawleilmiglvwrsmehpgkllfapnllldrnqgegmveifdml latssrfrmmnlqgeefvclksiillnsgvytfsleekdhihrvldkitdtlihlmakag ltlqqqhqrlaqlllilshirhmsnkgmehlysmvvpsydlllemlda