>4pifD (D:) observed residues (from ATOM records)
mngaikvgawggnggsafdmgpayriisvkifsgdvvdgvdvtftyygktetrhyggsgg
tpheivlqegeylvgmagevanyhgavvlgklgfstnkkaygpfgntggtpfslpiaagk
isgffgrggkfldaigvylepl