>1c5fK (K:) observed residues (from ATOM records)
kkdrrrvfldvtidgnlagrivmelyndiaprtcnnflmlctgmagtgkisgkplhykgs
tfhrviknfmiqggdftkgdgtggesiyggmfddeefvmkhdepfvvsmankgpntngsq
ffitttpaphlnnihvvfgkvvsgqevvtkieylktnsknrpladvvilncgelv