>2irwB (B:) SEQRES residues efrpemlqgkkvivtgaskgigremayhlakmgahvvvtarsketlqkvvshclelgaas ahyiagtmedmtfaeqfvaqagklmggldmlilnhitntslnlfhddihhvrksmevnfl syvvltvaalpmlkqsngsivvvsslagkvaypmvaaysaskfaldgffssirkeysvsr vnvsitlcvlglidtetamkavsgivhmqaapkeecaleiikggalrqeevyydsslwtt llirnpsrkileflystsynmdrf