4YOM:
reference: Structural insight into the mechanism of synergistic autoinhibition of SAD kinases., Wu JX, Cheng YS, Wang J, Chen L, Ding M, Wu JW, Nat Commun. 2015 Dec 2;6:8953. doi: 10.1038/ncomms9953. PMID: 26626945

This OCA Structure page
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