E3 SUMO-protein ligase MMS21

UniProtKB accession:  P38632

Grouped By:  Matching UniProtKB accession

UniProtKB description:  Acts as an E3 ligase mediating SUMO/Smt3 attachment to SMC5 and YKU70. Acts in a DNA repair pathway for removal of UV-induced DNA damage that is distinct from classical nucleotide excision repair and in repair of ionizing radiation damage. Functions in homologous recombination repair of DNA double strand breaks and in recovery of stalled replication forks.