Alias |
CBX 4,CBX4,Cbx4 chromobox homolog 4 (Drosophila Pc class),CBX4,Chromobox homolog 4 (Pc class homolog,Drosophila),Chromobox homolog 4,Chromobox protein homolog 4,E3 SUMO protein ligase CBX 4,E3 SUMO protein ligase CBX4,E3 SUMO-protein ligase CBX4,hPc 2,hPc2,NBP 16,NBP16,NS5ATP1 binding protein 16,Pc 2,Pc class 2 homolog,Pc class homolog,Pc class homolog Drosophila,PC2,Polycomb 2 homolog |
Background |
E3 SUMO-protein ligase which facilitates SUMO1 conjugation by UBE2I. Involved in the sumoylation of HNRNPK, a p53/TP53 transcriptional coactivator, hence indirectly regulates p53/TP53 transcriptional activation resulting in p21/CDKN1A expression. Monosumoylates ZNF131. |