>4ng4C (C:) observed residues (from ATOM records)
pflsmsnlnlhnkrvmiredlnvpmkngkitnderivralptiqkaieqkarvmilshlg
rpeegkfekefslapvarllskklnvplindwlkgvavepgqailcenvrfnkgenennt
elakrmaelcdifvmdafatahraqastagvaayaklacagpllisevealsralenpqk
plvavvggskvstkihllenlldkvdqlivgggiantflkaqgysigkslcenewldaaq
qfwekaaeknvslplpvdvivadelsedakatvknidavtsnesifdvgpntsatyaklm
aqagtivwngpigvfeieafsqgtralaqavakstaysivgggdtlaaldkfnltdqmsy
vstaggaflefleglpaikiltqrakey