>1x1vA (A:) observed residues (from ATOM records)
aikvgawggnggsafdmgpayriisvkifsgdvvdavdvtftyygktetrhfggsggtph
eivlqegeylvgmkgefgnyhgvvvvgklgfstnkksygpfgntggtpfslpiaagkisg
ffgrggdfidaigvylep