>3cfkI (I:) observed residues (from ATOM records)
evkllesggglaqpggslklscaasgfdfrrywmtwvrqapgkglewigeinpdsrtiny
mpslkdkfiisrdnaknslylqlsrlrsedsalyycvrldfdvynhyyvldywgqgtsvt
vssastkgpsvfplapsskstsggtaalgclvkdyfpepvtvswnsgaltsgvhtfpavl
qssglyslssvvtvpssslgtqtyicnvnhkpsntkvdkkvepk