>2f3tC (C:) observed residues (from ATOM records)
aqgtlyivsapsgagkssliqallktqplydtqvsvshttrqprpgevhgehyffvnhde
fkemisrdaflehaevfgnyygtsreaieqvlatgvdvfldidwqgaqqirqkmpharsi
filppskieldrrlrdseeviakrmaqavaemshyaeydylivnddfdtaltdlktiira
erlrmsrqkqrhdalisklla