>1ntgB (B:) SEQRES residues epeevipsrldirvgkiitvekhpdadslyvekidvgeaeprtvvsglvqfvpkeelqdr lvvvlcnlkpqkmrgvesqgmllcasieginrqvepldppagsapgehvfvkgyekgqpd eelkpkkkvfeklqadfkiseeciaqwkqtnfmtklgsisckslkggnisle