>2zkwA (A:) observed residues (from ATOM records)
tkavcvlkgdgpvqgiinfeqsngpvkvwgsikglteglhgfhvhefgdntagctsagph
fnplsrkhggpkdeerhvgdlrnvtadkdgvadvsiedsvislsgdhciigrtlvvheka
ddlgkggneestktgnagsrlacgvigia