>4pitD (D:) observed residues (from ATOM records)
mngaikvgawggnggsafdmgpayriisvkifsgdvvdgvdvtftyygktetrhyggsgg
tpheivlqegeylvgmagevanytgavvlgklgfstnkkaygpfgntggtpfslpiaagk
isgffgrggkfldaigvyleple