 | Acta Crystallographica Section F Acta Crystallographica Section F STRUCTURAL BIOLOGY COMMUNICATIONS |
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![[Figure 4]](va5043fig4mag.jpg)
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Figure 4
The motion of (human) Cys261 itself is largely responsible for pulling the cofactor to make room for the addition of two PBG molecules to form ES2 (Bustad et al., 2021  ). The movement of Cys261 (PDB entries 7aaj and 7aak, molecules A) is 4.4 Å and that of Val263 is 0.8 Å. The movement of Asp99 is 0.5 Å. (a) shows the alpha carbons and the cofactors and ES2; (b) shows an identical view with all atoms. |
![[Figure 4]](va5043fig4.jpg)
| STRUCTURAL BIOLOGY COMMUNICATIONS |
ISSN: 2053-230X
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