| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| SPO0007 | SPO3045 | SPO0007 | SPO3045 | Non-canonical purine NTP pyrophosphatase, rdgB/HAM1 family; Pyrophosphatase that catalyzes the hydrolysis of nucleoside triphosphates to their monophosphate derivatives, with a high preference for the non-canonical purine nucleotides XTP (xanthosine triphosphate), dITP (deoxyinosine triphosphate) and ITP. Seems to function as a house-cleaning enzyme that removes non-canonical purine nucleotides from the nucleotide pool, thus preventing their incorporation into DNA/RNA and avoiding chromosomal lesions. Belongs to the HAM1 NTPase family. | Glutamine amidotransferase, class I; Identified by match to protein family HMM PF00117. | 0.905 |
| SPO0007 | guaA | SPO0007 | SPO2109 | Non-canonical purine NTP pyrophosphatase, rdgB/HAM1 family; Pyrophosphatase that catalyzes the hydrolysis of nucleoside triphosphates to their monophosphate derivatives, with a high preference for the non-canonical purine nucleotides XTP (xanthosine triphosphate), dITP (deoxyinosine triphosphate) and ITP. Seems to function as a house-cleaning enzyme that removes non-canonical purine nucleotides from the nucleotide pool, thus preventing their incorporation into DNA/RNA and avoiding chromosomal lesions. Belongs to the HAM1 NTPase family. | GMP synthase; Catalyzes the synthesis of GMP from XMP. | 0.963 |
| SPO0007 | guaB | SPO0007 | SPO2039 | Non-canonical purine NTP pyrophosphatase, rdgB/HAM1 family; Pyrophosphatase that catalyzes the hydrolysis of nucleoside triphosphates to their monophosphate derivatives, with a high preference for the non-canonical purine nucleotides XTP (xanthosine triphosphate), dITP (deoxyinosine triphosphate) and ITP. Seems to function as a house-cleaning enzyme that removes non-canonical purine nucleotides from the nucleotide pool, thus preventing their incorporation into DNA/RNA and avoiding chromosomal lesions. Belongs to the HAM1 NTPase family. | Inosine-5'-monophosphate dehydrogenase; Catalyzes the conversion of inosine 5'-phosphate (IMP) to xanthosine 5'-phosphate (XMP), the first committed and rate-limiting step in the de novo synthesis of guanine nucleotides, and therefore plays an important role in the regulation of cell growth. Belongs to the IMPDH/GMPR family. | 0.921 |
| SPO0007 | hpt | SPO0007 | SPO2097 | Non-canonical purine NTP pyrophosphatase, rdgB/HAM1 family; Pyrophosphatase that catalyzes the hydrolysis of nucleoside triphosphates to their monophosphate derivatives, with a high preference for the non-canonical purine nucleotides XTP (xanthosine triphosphate), dITP (deoxyinosine triphosphate) and ITP. Seems to function as a house-cleaning enzyme that removes non-canonical purine nucleotides from the nucleotide pool, thus preventing their incorporation into DNA/RNA and avoiding chromosomal lesions. Belongs to the HAM1 NTPase family. | Hypoxanthine phosphoribosyltransferase; Identified by similarity to SP:P37171; match to protein family HMM PF00156; match to protein family HMM TIGR01203; Belongs to the purine/pyrimidine phosphoribosyltransferase family. | 0.907 |
| SPO0007 | surE | SPO0007 | SPO2688 | Non-canonical purine NTP pyrophosphatase, rdgB/HAM1 family; Pyrophosphatase that catalyzes the hydrolysis of nucleoside triphosphates to their monophosphate derivatives, with a high preference for the non-canonical purine nucleotides XTP (xanthosine triphosphate), dITP (deoxyinosine triphosphate) and ITP. Seems to function as a house-cleaning enzyme that removes non-canonical purine nucleotides from the nucleotide pool, thus preventing their incorporation into DNA/RNA and avoiding chromosomal lesions. Belongs to the HAM1 NTPase family. | Acid phosphatase SurE; Nucleotidase that shows phosphatase activity on nucleoside 5'-monophosphates; Belongs to the SurE nucleotidase family. | 0.902 |
| SPO3045 | SPO0007 | SPO3045 | SPO0007 | Glutamine amidotransferase, class I; Identified by match to protein family HMM PF00117. | Non-canonical purine NTP pyrophosphatase, rdgB/HAM1 family; Pyrophosphatase that catalyzes the hydrolysis of nucleoside triphosphates to their monophosphate derivatives, with a high preference for the non-canonical purine nucleotides XTP (xanthosine triphosphate), dITP (deoxyinosine triphosphate) and ITP. Seems to function as a house-cleaning enzyme that removes non-canonical purine nucleotides from the nucleotide pool, thus preventing their incorporation into DNA/RNA and avoiding chromosomal lesions. Belongs to the HAM1 NTPase family. | 0.905 |
| SPO3045 | argS | SPO3045 | SPO2504 | Glutamine amidotransferase, class I; Identified by match to protein family HMM PF00117. | arginyl-tRNA synthetase; Identified by similarity to SP:P46906; match to protein family HMM PF00750; match to protein family HMM PF03485; match to protein family HMM PF05746; match to protein family HMM TIGR00456. | 0.497 |
| SPO3045 | gmk | SPO3045 | SPO1945 | Glutamine amidotransferase, class I; Identified by match to protein family HMM PF00117. | Guanylate kinase; Essential for recycling GMP and indirectly, cGMP. | 0.914 |
| SPO3045 | guaA | SPO3045 | SPO2109 | Glutamine amidotransferase, class I; Identified by match to protein family HMM PF00117. | GMP synthase; Catalyzes the synthesis of GMP from XMP. | 0.943 |
| SPO3045 | guaB | SPO3045 | SPO2039 | Glutamine amidotransferase, class I; Identified by match to protein family HMM PF00117. | Inosine-5'-monophosphate dehydrogenase; Catalyzes the conversion of inosine 5'-phosphate (IMP) to xanthosine 5'-phosphate (XMP), the first committed and rate-limiting step in the de novo synthesis of guanine nucleotides, and therefore plays an important role in the regulation of cell growth. Belongs to the IMPDH/GMPR family. | 0.965 |
| SPO3045 | hpt | SPO3045 | SPO2097 | Glutamine amidotransferase, class I; Identified by match to protein family HMM PF00117. | Hypoxanthine phosphoribosyltransferase; Identified by similarity to SP:P37171; match to protein family HMM PF00156; match to protein family HMM TIGR01203; Belongs to the purine/pyrimidine phosphoribosyltransferase family. | 0.912 |
| SPO3045 | surE | SPO3045 | SPO2688 | Glutamine amidotransferase, class I; Identified by match to protein family HMM PF00117. | Acid phosphatase SurE; Nucleotidase that shows phosphatase activity on nucleoside 5'-monophosphates; Belongs to the SurE nucleotidase family. | 0.909 |
| argS | SPO3045 | SPO2504 | SPO3045 | arginyl-tRNA synthetase; Identified by similarity to SP:P46906; match to protein family HMM PF00750; match to protein family HMM PF03485; match to protein family HMM PF05746; match to protein family HMM TIGR00456. | Glutamine amidotransferase, class I; Identified by match to protein family HMM PF00117. | 0.497 |
| argS | gatB | SPO2504 | SPO2847 | arginyl-tRNA synthetase; Identified by similarity to SP:P46906; match to protein family HMM PF00750; match to protein family HMM PF03485; match to protein family HMM PF05746; match to protein family HMM TIGR00456. | glutamyl-tRNA(Gln) amidotransferase, B subunit; Allows the formation of correctly charged Asn-tRNA(Asn) or Gln-tRNA(Gln) through the transamidation of misacylated Asp-tRNA(Asn) or Glu-tRNA(Gln) in organisms which lack either or both of asparaginyl- tRNA or glutaminyl-tRNA synthetases. The reaction takes place in the presence of glutamine and ATP through an activated phospho-Asp- tRNA(Asn) or phospho-Glu-tRNA(Gln); Belongs to the GatB/GatE family. GatB subfamily. | 0.437 |
| argS | gmk | SPO2504 | SPO1945 | arginyl-tRNA synthetase; Identified by similarity to SP:P46906; match to protein family HMM PF00750; match to protein family HMM PF03485; match to protein family HMM PF05746; match to protein family HMM TIGR00456. | Guanylate kinase; Essential for recycling GMP and indirectly, cGMP. | 0.550 |
| argS | guaA | SPO2504 | SPO2109 | arginyl-tRNA synthetase; Identified by similarity to SP:P46906; match to protein family HMM PF00750; match to protein family HMM PF03485; match to protein family HMM PF05746; match to protein family HMM TIGR00456. | GMP synthase; Catalyzes the synthesis of GMP from XMP. | 0.946 |
| argS | pyrG | SPO2504 | SPO1312 | arginyl-tRNA synthetase; Identified by similarity to SP:P46906; match to protein family HMM PF00750; match to protein family HMM PF03485; match to protein family HMM PF05746; match to protein family HMM TIGR00456. | CTP synthase; Catalyzes the ATP-dependent amination of UTP to CTP with either L-glutamine or ammonia as the source of nitrogen. Regulates intracellular CTP levels through interactions with the four ribonucleotide triphosphates. | 0.862 |
| gatB | argS | SPO2847 | SPO2504 | glutamyl-tRNA(Gln) amidotransferase, B subunit; Allows the formation of correctly charged Asn-tRNA(Asn) or Gln-tRNA(Gln) through the transamidation of misacylated Asp-tRNA(Asn) or Glu-tRNA(Gln) in organisms which lack either or both of asparaginyl- tRNA or glutaminyl-tRNA synthetases. The reaction takes place in the presence of glutamine and ATP through an activated phospho-Asp- tRNA(Asn) or phospho-Glu-tRNA(Gln); Belongs to the GatB/GatE family. GatB subfamily. | arginyl-tRNA synthetase; Identified by similarity to SP:P46906; match to protein family HMM PF00750; match to protein family HMM PF03485; match to protein family HMM PF05746; match to protein family HMM TIGR00456. | 0.437 |
| gatB | guaA | SPO2847 | SPO2109 | glutamyl-tRNA(Gln) amidotransferase, B subunit; Allows the formation of correctly charged Asn-tRNA(Asn) or Gln-tRNA(Gln) through the transamidation of misacylated Asp-tRNA(Asn) or Glu-tRNA(Gln) in organisms which lack either or both of asparaginyl- tRNA or glutaminyl-tRNA synthetases. The reaction takes place in the presence of glutamine and ATP through an activated phospho-Asp- tRNA(Asn) or phospho-Glu-tRNA(Gln); Belongs to the GatB/GatE family. GatB subfamily. | GMP synthase; Catalyzes the synthesis of GMP from XMP. | 0.944 |
| gatB | pyrG | SPO2847 | SPO1312 | glutamyl-tRNA(Gln) amidotransferase, B subunit; Allows the formation of correctly charged Asn-tRNA(Asn) or Gln-tRNA(Gln) through the transamidation of misacylated Asp-tRNA(Asn) or Glu-tRNA(Gln) in organisms which lack either or both of asparaginyl- tRNA or glutaminyl-tRNA synthetases. The reaction takes place in the presence of glutamine and ATP through an activated phospho-Asp- tRNA(Asn) or phospho-Glu-tRNA(Gln); Belongs to the GatB/GatE family. GatB subfamily. | CTP synthase; Catalyzes the ATP-dependent amination of UTP to CTP with either L-glutamine or ammonia as the source of nitrogen. Regulates intracellular CTP levels through interactions with the four ribonucleotide triphosphates. | 0.685 |