5TB5:
reference: Structural basis of recognition of farnesylated and methylated KRAS4b by PDEdelta., Dharmaiah S, Bindu L, Tran TH, Gillette WK, Frank PH, Ghirlando R, Nissley DV, Esposito D, McCormick F, Stephen AG, Simanshu DK, Proc Natl Acad Sci U S A. 2016 Nov 1;113(44):E6766-E6775. Epub 2016 Oct 17. PMID: 27791178

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