Protein
Cruciform cutting endonuclease 1, mitochondrial
Organism
Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
Function
Capable of resolving Holliday junctions. Specific for 4-way junctions. Seems to be important for the maintenance of mitochondrial DNA. Cleaves fixed junctions at the point of strand exchange. Cleaves after 5'-CT-3' sequence.
Sequence
MSTAQKAKILQLIDSCCQNAKSTQLKSLSFVIGAVNGTTKEAKRTYIQEQCEFLEKLRQQKIREGRINILSMDAGVSNFAFSKMQLLNNDPLPKVLDWQKINLEEKFFQNLKKLSLNPAETSELVFNLTEYLFESMPIPDMFTIERQRTRTMSSRHILDPILKVNILEQILFSNLENKMKYTNKIPNTSKLRYMVCSSDPHRMTSYWCIPREETPTSSKKLKSNKHSKDSRIKLVKKILSTSILEGNSTSSTKLVEFIGVWNNRIRNALTKKKSFKLCDILEIQDNSGVRKDDDLADSFLHCLSWMEWLKNYESITELLNSKTLVKTQFGQVFEFCENKVQKLKFLQNTYNND