>4r69C (C:) observed residues (from ATOM records)
atlkdqliynllkeeqtpqnkitvvgvgavgmacaisilmkdladelalvdviedklkge
mmdlqhgslflrtpkivsgkdynvtansklviitagargesrlnlvqrnvnifkfiipnv
vkyspnckllivsnpvdiltyvawkisgfpknrvigsgcnldsarfrylmgerlgvhpls
chgwvlgehgdssvpvwsgmnvagvslktlhpdlgtdkdkeqwkevhkqvvesayevikl
kgytswaiglsvadlaesimknlrrvhpvstmikglygikddvflsvpcilgqngisdlv
kvtltseeearlkksadtlwgiqkelqf