>2y4lA (A:) observed residues (from ATOM records)
slvvfpfkhehpevllhnvrvaaahprvhevlcigyerdqtyeaveraapeisratgtpv
svrlqerlgtlrpgkgdgmntalryfleetqwerihfydaditsfgpdwitkaeeaadfg
yglvrhyfprastdamitwmitrtgfallwphtelswieqplggellmrrevaamlyede
rvrrrsdwgidtlytfvtvaagvsiyecyipegkahrlygglddlrtmlvecfaaiqslq
hevvgqpaihrqehphrvpvhiaervgydveatlhrlmqhwtprqvellelfttpvregl
rtcqrrpafnfmdemawaatyhvllehfqpgdpdweellfklwttrvlnytmtvalrgyd
yaqqylyrmlgryryqaale