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Analysis/comparison of CSA-binding and non-binding DBL domains with A4 DBL 3X (PDB code: 2BQK). (a) Superposition of CSA-binding A4 DBL 2X, 5ε, 6ε domains and 3D7 DBL 2X, 3X, 5ε and 6ε domains onto A4 DBL 3X structure. (b) Superposition of non-CSA-binding DBL domains 3D7 DBL 1X and A4 DBL 4ε on to A4 DBL 3X structure.
