>5matC (C:) observed residues (from ATOM records)
hmerlldeltlegvarymqsercrrviclvgagistsagipdfrsydnlekyhlpypeai
feisyfkkhpepffalakelypgqfkptichyfmrllkdkglllrcytqnidtleriagl
eqedlveahgtfytshcvsascrheyplswmkekifsevtpkcedcqslvkpdivffges
lparffscmqsdflkvdlllvmgtslqvqpfasliskaplstprllinkekagqsdpflg
mimglgggmdfdskkayrdvawlgecdqgclalaellgwkkeledlvrrehasidaqs