>4iroB (B:) SEQRES residues vewtdkersiisdifshmdyddigpkalsrclivypwtqrhfsgfgnlynaeaiignanv aahgikvlhgldrgvknmdniaatyadlstlhseklhvdpdnfkllsdcitivlaakmgh aftaetqgafqkflavvvsalgkqyh