NPM1 (Nucleophosmin, B23) is SUMOylated at lysine-263 with SUMO1 (Liu et al. 2007). SUMOylation enhances binding of NPM1 to Rb and enhances nuclear residency of NPM1.
Liu, X, Shinmura, K, Kang, S, Ma, Z, Jang, SW, Ye, K, Liu, Z, Fukasawa, K, Chen, J, Dong, S
SUMO transferase activity of SUMO1:C93-UBE2I [cytoplasm]
© 2023 Reactome