Could be a nuclease that resolves Holliday junction intermediates in genetic recombination. 140 MRIMGLDVGSRTVGVAVSDLLGWTAQGIEIIRINEEEENFGFERLGELVKEYEVTKFVVGLPKNMNNSIGPRAEASMAYGDKIQELFQLPVDYQDERLTTVQAERFLVEQADASRAKRKKVIDKLAAVMILQNYLDAHSR Putative Holliday junction resolvase EF_1203 EF_1203 RUVX_ENTFA