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. 2018 Jul 18;9:787. doi: 10.3389/fphar.2018.00787

FIGURE 6.

FIGURE 6

(A) Chemical structures of highly potent and selective fused pyrimidine-based MMP-13 inhibitors. (B) Surface representation of MMP-13 illustrating the binding cavity. The inhibitor (20) is buried deeply into the S1′ pocket.