>6frgA (A:) observed residues (from ATOM records) sfaisgdslislastgkrvpikdllgekdfeiwaineqtmklesakvsrvfctgkklvyt lktrlgrtikatanhrfltidgwkrldelslkehialprklessslqlapeieklpqsdi ywdpivsitetgveevfdltvpglrnfvandiivhasi