>4q9pA (A:) observed residues (from ATOM records)
ykkpvllytsngghflrilpdgtvdgtrdrsdqhiqlqlsaesvgevyikstetgqylam
dtdgllygsqtpneeclflerleenhyntyiskkhaeknwfvglkkngsvkrgprthygq
kailflvlpvs