>4a7qA (A:) SEQRES residues atkavcvlkgdgpvqgiinfeqkesngpvkvwgsikglteglhgfhvhefgdntagctsa gphfnplsrkhggpkdeerhvgdlgnvtadkdgvadvsiedsvislsgdhcitgrtlvvh ekaddlgkggneestktgnagsrlacgvigiaq