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. 2015 Jun 26;54(31):8896–8927. doi: 10.1002/anie.201412070

Figure 6.

Figure 6

β-Sheet mimetics: Turn mimetics: l-Pro-d-Pro (6), dibenzofuran derivatives (7), oligourea (8), azobenzene (9); Macrocyclization: head to tail (10), side chain to side chain cross-link with a disulfide (11) and 1,2,3-triazole ring (12), side chain to side chain π–π interaction (Trp–Trp; 13) and cation–π interaction (Nδ-trimethylornithine–Trp; 14); β-strand-enforcing amino acids: 1,6-dihydro-3(2H)-pyridinone (Ach, 15), Hao building block (16), diphenylacetylene building block (17); Structural mimetics: piperidine–piperidinone-based strand mimetic (18); class A/B: yellow; class C: blue. Box: structure used in the context of PPI inhibition.