Mapping the KRAS proteoform landscape in colorectal cancer identifies truncated KRAS4B that decreases MAPK signaling. - Adams LM; DeHart CJ; Drown BS; Anderson LC; Bocik W; Boja ES; Hiltke TM; Hendrickson CL; Rodriguez H; Caldwell M; Vafabakhsh R; Kelleher NL (The Journal of biological chemistry, 2023)