>1y1yS (S:) observed residues (from ATOM records)
ndgvdtaiyhhklrdqvlkalydvlakesehppqsilhtakaiesemnkvnncdtneaay
karyriiysnvisknnpdlkhkiangditpeflatcdakdlapaplkqkieeiakqnlyn
aqgatiersvtdrftcgkckekkvsyyqlqtrsadeplttfctceacgnrwkfs