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![[Figure 3]](rr5135fig3mag.jpg)
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Figure 3
Molecular-replacement solutions for the hlFBPase crystal. (a) The six protomers (A–F) in the asymmetric unit of space group P41212, shown as differently coloured ribbons, form three dimers. Two of the C1/C2 dimers (AB and CD) associate to form a homotetramer, the biological unit of FBPase. The third dimer (EF) is complemented to form a tetramer by crystal symmetry (E′F′). (b) A different choice of the asymmetric unit visualizes a pseudo-translation vector (black bar) of fractional coordinates (0, 0, 1/3), parallel to the c axis of the unit cell. The pseudo-translation vector relates dimers CD/AB, AB/EF and EF/CD. The dimers are placed along a twofold NCS axis at (1/4, 1/4, z) that is drawn in blue. (c, d, e) Molecular-replacement solutions for space groups P43212, P4122 and P4322 in the same colour code as in (a), with the P41212 solution shown in grey as a reference. The search model was the P41212 solution. The transformation from the solution in P41212 to the other space group is given. |
![[Figure 3]](rr5135fig3.jpg)
 | STRUCTURAL BIOLOGY |
ISSN: 2059-7983
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