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Figure 2
Close-up of the dimerization hinge loop in CRM197, showing its conformational change from the monomer (yellow; PDB entry 7rrw) to the dimer (green; PDB entry 5i82). Some side chains are unobserved in PDB entry 5i82. (a) Green dashed lines show the two intra-chain hydrogen bonds that form in the dimeric conformation: Gly383–Pro388 and His384–Gln387. (b) View from above (the direction of view is approximately along the dimer axis). The second protomer is added outside the surface of the first protomer. The red sphere indicates a C-terminus.

Journal logoSTRUCTURAL BIOLOGY
COMMUNICATIONS
ISSN: 2053-230X
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