>3ccvY (Y:) observed residues (from ATOM records)
telqargltektpdlsdedarlltqrhrvgkpqfnrqdhhkkkrvstswrkprgqlskqr
rgikgkgdtveagfrsptavrgkhpsgfeevrvhnvddlegvdgdteavriaskvgarkr
erieeeaedagirvlnptyvev