>1rg8B (B:) observed residues (from ATOM records) hhhhfnlppgnykkpkllycsngghflrilpdgtvdgtrdrsdqhiqlqlsaesvgevyi kstetgqylamdtdgllygsqtpneeclflerleenhyntyiskkhaeknwfvglkkngs ckrgprthygqkailflplpv