>1xbyB (B:) SEQRES residues mslpmlqvaldnqtmdsayettrliaeevdiievgtilcvgegvravrdlkalyphkivl adakiadagkilsrmcfeanadwvtviccadintakgaldvakefngdvqidltgywtwe qaqqwrdagigqvvyhrsrdaqaagvawgeaditaikrlsdmgfkvtvagglaledlplf kgipihvfiagrsirdaaspveaarqfkrsiaelwg