>2y3nC (C:) observed residues (from ATOM records)
sgsvltaidndkvavgdkvtltinvdkitnfsgyqfnikynttylqpwdtiadeaytdst
mpdygtllqgrfnatdmskhnlsqgvlnfgrlymnlsayrasgkpestgavakvtfkvik
eipaegiklatfengssmnnavdgtmlfdwdgnmysssaykvvqpgliypk