>1to4A (A:) SEQRES residues gsnmkavcvmtgtagvkgvvkftqetdngpvhvhaefsglkagkhgfhvhefgdttngct sagahfnptkqehgapedsirhvgdlgnvvagadgnavynatdklislngshsiigrsmv iheneddlgrgghelskvtgnaggrlacgvvglaae