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. 2020 Apr 28;5(18):10466–10480. doi: 10.1021/acsomega.0c00590

Figure 4.

Figure 4

(a) Superimposition on the backbone atoms for the domain 45–270 of four metal-free apo-NDM-1 (PDB: 3RKK, 3SBL, 3RKJ, 3PG4) and (b) four apo-NDM-1 (PDB: 3SPU, 4TYF, 4TZE, 4TZF) crystallographic structures. Highly flexible domains, far from the active site, are colored purple, and flexible domains bearing Zn(II) ligands are colored light blue and dark blue. The residues interacting directly with Zn(II) are represented by stick, and the residues interacting with Zn1 and in Zn2 are in pink and orange, respectively. Both Zn(II) are represented by white spheres.