>3fjaA (A:) observed residues (from ATOM records) hhhhfnlppgnykkpkllycsngghflrilpdgtvdgtrdrsdqhiqlqlsaesvgevyi kstetgqylamdtdgllygsqtpneeclflerleenhyntyiskkhaeknwfvglkkngs ckrgprthygqkailwlplpv