3VL8:
reference: Structural basis for the inhibition of xyloglucan-specific endo-beta-1,4-glucanase (XEG) by XEG-protein inhibitor., Yoshizawa T, Shimizu T, Hirano H, Sato M, Hashimoto H, J Biol Chem. 2012 Apr 10. PMID: 22496365

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