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(A) Putative interactions between catechin and human cyclooxygenase-2 (COX-2; PDB: 1CX2). Free energy of binding (ΔG) and affinity (Ki) are −9.5 kcal/mol and 0.1 µM, respectively; (B) Putative interactions between catechin and human inducible nitric oxide synthase (iNOS; PDB: 1DD7). Free energy of binding (ΔG) and affinity (Ki) are −7.5 kcal/mol and 3.2 µM, respectively.
