>2x17N (N:) observed residues (from ATOM records)
mlsermlkalndqlnrelysaylyfamaayfedlglegfanwmkaqaeeeighalrfyny
iydrngrveldeipkppkewesplkafeaayehekfisksiyelaalaeeekdystrafl
ewfineqveeeasvkkildklkfakdspqilfmldkelsarapklpgllm