>4qbvB (B:) observed residues (from ATOM records)
hhhhfnlppgnykkpkllycsngghflrilpdgtvdgtrdrsdqhiqlqlsaesvgevyi
kstetgqylamdtdgllygsqtpneeclflerleenhyntyiskkhaeknwfvglkkngs
tkrgprthygqkailflplpv