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. 2020 Aug 5;48(16):9372–9386. doi: 10.1093/nar/gkaa644

Figure 4.

Figure 4.

Crystal structure of GapR and 10A DNA complex reveals an open tetrameric conformation. (A) Ribbon diagram of GapR/10A complex structure (PDB ID: 6K2J). The four protomers are colored red, blue, orange, and cyan, respectively. DNA backbones are illustrated in gold. (B) Electrostatic potential surface of GapR protein in GapR/10A complex structure. (C, D) Ribbon diagrams of GapR and DNA complexes in open tetrameric conformation (C) or closed tetrameric conformation (PDB ID: 6CG8) (D) with DNA interacting lysine and arginine side-chains shown. The backbones of four protomers are colored in pink, light blue, pale green and ivory, respectively. The corresponding side-chains from each protomer are colored red, blue, green and orange, respectively. The phosphorus atoms of DNA are indicated in yellow.