locus-tag class description 3S5_1 ENOG4108MXB Protein of unknown function (DUF968) 3S5_13 ENOG4107ZFB This enzyme is involved in nucleotide metabolism it produces dUMP, the immediate precursor of thymidine nucleotides and it decreases the intracellular concentration of dUTP so that uracil cannot be incorporated into DNA (By similarity) 3S5_4 ENOG4106CVF DNA replication protein 3S5_7 ENOG4105QBX endodeoxyribonuclease RusA