6HGC:
reference: Structural Basis for the Activation of the Deubiquitinase Calypso by the Polycomb Protein ASX., De I, Chittock EC, Grotsch H, Miller TCR, McCarthy AA, Muller CW, Structure. 2019 Mar 5;27(3):528-536.e4. doi: 10.1016/j.str.2018.11.013. Epub 2019, Jan 10. PMID: 30639226

This OCA Structure page
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