>1s5yB (B:) SEQRES residues vewtdkersiisdifshmdyddigpkalsrclivypwtqrhfsgfgnlynaeaiignanv aahgikvlhgldrgvknmdniaatyadlstlhseklhvdpdnfkllsdcitivlaakmgh aftaetqgafqkflavvvsalgkqyh