>3cfkF (F:) observed residues (from ATOM records) evkllesggglaqpggslklscaasgfdfrrywmtwvrqapgkglewigeinpdsrtiny mpslkdkfiisrdnaknslylqlsrlrsedsalyycvrldfdvynhyyvldywgqgtsvt vssastkgpsvfplapsskstsggtaalgclvkdyfpepvtvswnsgaltsgvhtfpavl qssglyslssvvtvpssslgtqtyicnvnhkpsntkvdkkvepk