>1x1vB (B:) observed residues (from ATOM records)
ngaikvgawggnggsafdmgpayriisvkifsgdvvdavdvtftyygktetrhfggsggt
pheivlqegeylvgmkgefgnyhgvvvvgklgfstnkksygpfgntggtpfslpiaagki
sgffgrggdfidaigvylep