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Figure 2.
Figure 2 Difference Fourier (2F[o] - F[c]) maps of the four heme
groups in the tetragonal HEC crystal. Maps were calculated using
the final model and contoured at 1.0 level,
colored cyan. The heme groups of subunits A, B, C and D are
shown in (a), (b), (c) and (d), respectively, with bonds in
pink. Also shown are the residues His75, Asn148, Arg354 and
Tyr358, as well as one or two active-site water molecules,
colored green. The figures were produced using BobScript and
Raster3D.
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