>4pitC (C:) observed residues (from ATOM records)
gaikvgawggnggsafdmgpayriisvkifsgdvvdgvdvtftyygktetrhyggsggtp
heivlqegeylvgmagevanytgavvlgklgfstnkkaygpfgntggtpfslpiaagkis
gffgrggkfldaigvyleple