>2x172 (2:) observed residues (from ATOM records)
mlsermlkalndqlnrelysaylyfamaayfedlglegfanwmkaqaeeeighalrfyny
iydrngrveldeipkppkewesplkafeaayehekfisksiyelaalaeeekdystrafl
ewfineqveeeasvkkildklkfakdspqilfmldkelsarapklpgllmq