>2x0nO (O:) observed residues (from ATOM records)
tikvgingfgrigrmvfqalcddgllgneidvvavvdmntdaryfayqmkydsvhgkfkh
svsttkskpsvakddtlvvnghrilcvkaqrnpadlpwgklgveyviestglftvksaae
ghlrggarkvvisapasggaktfvmgvnhnnynpreqhvvsnascttnclaplvhvlvke
gfgistglmttvhsytatqktvdgvsvkdwrggraaalniipsttgaakavgmvipstqg
kltgmafrvptadvsvvdltfiatrdtsikeidaalkrasktymknilgytdeelvsadf
isdsrssiydskatlqnnlpnerrffkivswydnewgyshrvvdlvrhmaardraakl