>2x17R (R:) observed residues (from ATOM records)
mlsermlkalndqlnrelysaylyfamaayfedlglegfanwmkaqaeeeighalrfyny
iydrngrveldeipkppkewesplkafeaayehekfisksiyelaalaeeekdystrafl
ewfineqveeeasvkkildklkfakdspqilfmldkelsarapklpgllmq