>3cfkP (P:) observed residues (from ATOM records) evkllesggglaqpggslklscaasgfdfrrywmtwvrqapgkglewigeinpdsrtiny mpslkdkfiisrdnaknslylqlsrlrsedsalyycvrldfdvynhyyvldywgqgtsvt vssastkgpsvfplapsskstsggtaalgclvkdyfpepvtvswnsgaltsgvhtfpavl qssglyslssvvtvpssslgtqtyicnvnhkpsntkvdkkvepk