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. 2018 Dec 5;9:1425. doi: 10.3389/fphar.2018.01425

Figure 1.

Figure 1

Structures of FKBPs and their interaction partners. (A) Structure of FKBP51 (pdb-ID: 1KT0). The FK1 domain is depicted in red, the FK2 domain in green, TPR domains in blue. The pale-yellow region corresponds to a putative calmodulin binding domain. (B) Superposition of the FK506-binding domains of FKBP12 (1FKJ, green), FKBP13 (4NNR, gray), FKBP25 (5D75, blue), FKB51 (3O5R, yellow), and FKBP52 (4LAX, salmon). The conserved active site residues are highlighted as sticks, the bound FK506 is omitted for clarity. (C) Inhibitory complex (1TC0) of FKBP12 (green), FK506 (pink sticks), and calcineurin (cyan and blue).