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Predicted three-dimensional structure of CkChn134. A: A ribbon diagram of CkChn134. The two disulfide bridges in structure are shown in red. B: Representation of the molecular surface of CkChn134. The active region in cleft is colored. H89-T91 is colored red. E112-R113 is displayed in green. T128-N132 is showed in magenta. I206-I210 is displayed in yellow. [Color figure can be viewed in the online issue, which is available at wileyonlinelibrary.com.]
