>4af7B (B:) observed residues (from ATOM records)
skkqdenivvnkfkpkepyvgrcllntkitgddapgetwhmvfstegevpyregqsigiv
pdgidkngkphklrlysiassaigdfgdsktvslcvkrlvytndagevvkgvcsnflcdl
kpgsevkitgpvgkemlmpkdpnatvimlgtgtgiapfrsflwkmffekhedyqfnglaw
lflgvptsssllykeefekmkekapenfrldfavsreqvndkgekmyiqtrmaqyaeelw
ellkkdntfvymmglkgmekgiddimvslaakdgidwieykrtlkkaeqwnvevy