>1n18A (A:) SEQRES residues
matkavavlkgdgpvqgiinfeqkesngpvkvwgsikglteglhgfhvhefgdntagcts
agphfnplsrkhggpkdeerhvgdlgnvtadkdgvadvsiedsvislsgdhsiigrtlvv
hekaddlgkggneestktgnagsrlacgvigiaq