>4ng4A (A:) observed residues (from ATOM records)
pflsmsnlnlhnkrvmiredlnvpmkngkitnderivralptiqkaieqkarvmilshlg
rpeegkfekefslapvarllskkplindwlkgvavepgqailcenvrfnkgenenntela
krmaelcdifvmdafatahraqastagvaayaklacagpllisevealsralenpqkplv
avvggskvstkihllenlldkvdqlivgggiantflkaqgysigkslcenewldaaqqfw
ekaaeknvslplpvdvivadelsedakatvknidavtsnesifdvgpntsatyaklmaqa
gtivwngpigvfeieafsqgtralaqavakstaysivgggdtlaaldkfnltdqmsyvst
aggafleflegklpaikiltqrak