Interacts with EME1 and EME2 to form a DNA structure-specific endonuclease with substrate preference for branched DNA structures with a 5'-end at the branch nick. Typical substrates include 3'-flap structures, replication forks and nicked Holliday junctions. May be required in mitosis for the processing of stalled or collapsed replication forks.
Crossover junction endonuclease MUS81; FLJ21012; FLJ44872 MUS81; MUS81 endonuclease homolog; SLX3 structure-specific endonuclease subunit homolog
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