>1s57C (C:) observed residues (from ATOM records)
veetyimvkpdgiqrglvgeiisrfekkgfkliglkmfqcpkelaeehykdlsaksffpn
lieyitsgpvvcmawegvgvvasarkligktdplqaepgtirgdlavqtgrnivhgsdsp
engkreiglwfkegelckwdsalatwlre