>2hwaB (B:) observed residues (from ATOM records) hhhhfnlppgnykkptllycsngghflrilpdgtvdgtrdrsdqhiqlqlsaesvgevyi kstetgqylamdtdgllygsqtpneeclflerleenhyntyiskkhaeknwfvglkkngs vkrgprthygqkailflplpv