>1tyfB (B:) SEQRES residues alvpmvieqtsrgersfdiysrllkervifltgqvedhmanlivaqmlfleaenpekdiy lyinspggvitagmsiydtmqfikpdvsticmgqaasmgaflltagakgkrfclpnsrvm ihqplggyqgqatdieihareilkvkgrmnelmalhtgqsleqierdterdrflsapeav eyglvdsilthrn