Full assignment of 13C,15N-labeled oncogenic mutant human KRas4B-G12C(1-169) bound to GDP and free of Mg2+ ion at physiological pH
NMR-Chemical-Shift-Driven Protocol Reveals the Cofactor-Bound, Complete Structure of Dynamic Intermediates of the Catalytic Cycle of Oncogenic KRAS G12C Protein and the Significance of the Mg2+ Ion