>4qo3A (A:) observed residues (from ATOM records) hhhhfnlppgnykkpvllysssgghflrilpdgtvdgtrdrsdqhiqlqlsaesvgevyi kstetgqylamdtdgllygsqtpneeclflerleenhyntyiskkhaeknwfvglkkngs vkrgprthygqkailflvlpvs