| Protein | Organism Specification | AC Entry | Gene name(s) | Description |
| DNLI_METTH | Methanobacterium thermoautotrophicum. | Q50566 | Name=lig; OrderedLocusNames=MTH1580; | DNA ligase (EC 6.5.1.1) (Polydeoxyribonucleotide synthase [ATP]). |
| FEN_METTH | Methanobacterium thermoautotrophicum. | O27670 | Name=fen; OrderedLocusNames=MTH1633; | Flap structure-specific endonuclease (EC 3.1.-.-). |
| DNLI_METTH | Methanobacterium thermoautotrophicum. | Q50566 | Name=lig; OrderedLocusNames=MTH1580; | DNA ligase (EC 6.5.1.1) (Polydeoxyribonucleotide synthase [ATP]). |
| FEN_METTH | Methanobacterium thermoautotrophicum. | O27670 | Name=fen; OrderedLocusNames=MTH1633; | Flap structure-specific endonuclease (EC 3.1.-.-). |
| OGG1_METTH | Methanobacterium thermoautotrophicum. | O27397 | OrderedLocusNames=MTH1342; | Probable N-glycosylase/DNA lyase [Includes: 8-oxoguanine DNAglycosylase (EC 3.2.2.-); DNA-(apurinic or apyrimidinic site) lyase(EC 4.2.99.18) (AP lyase)]. |
| OGT_METTH | Methanobacterium thermoautotrophicum. | O26715 | Name=ogt; OrderedLocusNames=MTH618; | Methylated-DNA--protein-cysteine methyltransferase (EC 2.1.1.63) (6-O-methylguanine-DNA methyltransferase) (MGMT) (O-6-methylguanine-DNA-alkyltransferase). |
| PHR_METTH | Methanobacterium thermoautotrophicum. | P12769 Q50792 | Name=phr; OrderedLocusNames=MTH904; | Deoxyribodipyrimidine photo-lyase (EC 4.1.99.3) (DNA photolyase)(Photoreactivating enzyme). |
| RADA_METTH | Methanobacterium thermoautotrophicum. | O27436 | Name=radA; OrderedLocusNames=MTH1383; | DNA repair and recombination protein radA. |
| RADB_METTH | Methanobacterium thermoautotrophicum. | O27728 | Name=radB; OrderedLocusNames=MTH1693; | DNA repair and recombination protein radB. |
| UVRA_METTH | Methanobacterium thermoautotrophicum. | O26543 | Name=uvrA; OrderedLocusNames=MTH443; | UvrABC system protein A (UvrA protein) (Excinuclease ABC subunit A). |
| UVRB_METTH | Methanobacterium thermoautotrophicum. | O26542 | Name=uvrB; OrderedLocusNames=MTH442; | UvrABC system protein B (Protein uvrB) (Excinuclease ABC subunit B). |
| UVRC_METTH | Methanobacterium thermoautotrophicum. | O26541 | Name=uvrC; OrderedLocusNames=MTH441; | UvrABC system protein C (Protein uvrC) (Excinuclease ABC subunit C). |