>1to4B (B:) SEQRES residues gsnmkavcvmtgtagvkgvvkftqetdngpvhvhaefsglkagkhgfhvhefgdttngct sagahfnptkqehgapedsirhvgdlgnvvagadgnavynatdklislngshsiigrsmv iheneddlgrgghelskvtgnaggrlacgvvglaae