>1c2yB (B:) observed residues (from ATOM records)
mnelegyvtkaqsfrfaivvarfnefvtrrlmegaldtfkkysvnedidvvwvpgayelg
vtaqalgksgkyhaivclgavvkgdtshydavvnsassgvlsaglnsgvpcvfgvltcdn
mdqainraggkagnkgaesaltaiemaslfehhlk