>1so3A (A:) observed residues (from ATOM records)
slpmlqvaldnqtmdsayettrliaeevdiievgtilcvgegvravrdlkalyphkivla
dakiadagkilsrmcfeanadwvtviccadintakgaldvakefngdvqieltgywtweq
aqqwrdagigqvvyarsrdaqaagvawgeaditaikrlsdmgfkvtvtgglaledlplfk
gipihvfiagrsirdaaspveaarqfkrsiaelw