>1so4B (B:) observed residues (from ATOM records)
slpmlqvaldnqtmdsayettrliaeevdiievgtilcvgegvravrdlkalyphkivla
daaiadagkilsrmcfeanadwvtviccadintakgaldvakefngdvqieltgywtweq
aqqwrdagigqvvyhrsrdaqaagvawgeaditaikrlsdmgfkvtvtgglaledlplfk
gipihvfiagrsirdaaspveaarqfkrsiaelwg