| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| SPO2024 | nadA | SPO2024 | SPO3243 | Aminotransferase; 'initially identified as a pseudogene, expression verified by proteomics'. | Quinolinate synthetase complex, A subunit; Catalyzes the condensation of iminoaspartate with dihydroxyacetone phosphate to form quinolinate. | 0.537 |
| SPO2024 | nadC | SPO2024 | SPO3245 | Aminotransferase; 'initially identified as a pseudogene, expression verified by proteomics'. | Nicotinate-nucleotide pyrophosphorylase; Identified by similarity to SP:P39666; match to protein family HMM PF01729; match to protein family HMM PF02749; match to protein family HMM TIGR00078; Belongs to the NadC/ModD family. | 0.494 |
| SPO3244 | nadA | SPO3244 | SPO3243 | L-aspartate oxidase, putative; Identified by similarity to GB:BAB54506.1; match to protein family HMM PF00890; match to protein family HMM PF02910. | Quinolinate synthetase complex, A subunit; Catalyzes the condensation of iminoaspartate with dihydroxyacetone phosphate to form quinolinate. | 0.999 |
| SPO3244 | nadC | SPO3244 | SPO3245 | L-aspartate oxidase, putative; Identified by similarity to GB:BAB54506.1; match to protein family HMM PF00890; match to protein family HMM PF02910. | Nicotinate-nucleotide pyrophosphorylase; Identified by similarity to SP:P39666; match to protein family HMM PF01729; match to protein family HMM PF02749; match to protein family HMM TIGR00078; Belongs to the NadC/ModD family. | 0.999 |
| SPO3244 | nadE | SPO3244 | SPO0426 | L-aspartate oxidase, putative; Identified by similarity to GB:BAB54506.1; match to protein family HMM PF00890; match to protein family HMM PF02910. | Glutamine-dependent NAD(+) synthetase; Catalyzes the ATP-dependent amidation of deamido-NAD to form NAD. Uses L-glutamine as a nitrogen source. | 0.625 |
| SPO3244 | nadX | SPO3244 | SPO2880 | L-aspartate oxidase, putative; Identified by similarity to GB:BAB54506.1; match to protein family HMM PF00890; match to protein family HMM PF02910. | Hypothetical protein; Specifically catalyzes the NAD or NADP-dependent dehydrogenation of L-aspartate to iminoaspartate. | 0.909 |
| SPO3244 | pncB | SPO3244 | SPO0095 | L-aspartate oxidase, putative; Identified by similarity to GB:BAB54506.1; match to protein family HMM PF00890; match to protein family HMM PF02910. | Nicotinate phosphoribosyltransferase; Catalyzes the synthesis of beta-nicotinate D-ribonucleotide from nicotinate and 5-phospho-D-ribose 1-phosphate at the expense of ATP; Belongs to the NAPRTase family. | 0.415 |
| cysE | nadA | SPO2247 | SPO3243 | Serine O-acetyltransferase; Identified by similarity to SP:P05796; match to protein family HMM PF00132; match to protein family HMM PF06426; match to protein family HMM TIGR01172. | Quinolinate synthetase complex, A subunit; Catalyzes the condensation of iminoaspartate with dihydroxyacetone phosphate to form quinolinate. | 0.821 |
| cysE | nadE | SPO2247 | SPO0426 | Serine O-acetyltransferase; Identified by similarity to SP:P05796; match to protein family HMM PF00132; match to protein family HMM PF06426; match to protein family HMM TIGR01172. | Glutamine-dependent NAD(+) synthetase; Catalyzes the ATP-dependent amidation of deamido-NAD to form NAD. Uses L-glutamine as a nitrogen source. | 0.448 |
| gmk | nadA | SPO1945 | SPO3243 | Guanylate kinase; Essential for recycling GMP and indirectly, cGMP. | Quinolinate synthetase complex, A subunit; Catalyzes the condensation of iminoaspartate with dihydroxyacetone phosphate to form quinolinate. | 0.687 |
| gmk | ribD | SPO1945 | SPO1754 | Guanylate kinase; Essential for recycling GMP and indirectly, cGMP. | Riboflavin biosynthesis protein RibD; Converts 2,5-diamino-6-(ribosylamino)-4(3h)-pyrimidinone 5'- phosphate into 5-amino-6-(ribosylamino)-2,4(1h,3h)-pyrimidinedione 5'- phosphate; In the C-terminal section; belongs to the HTP reductase family. | 0.679 |
| nadA | SPO2024 | SPO3243 | SPO2024 | Quinolinate synthetase complex, A subunit; Catalyzes the condensation of iminoaspartate with dihydroxyacetone phosphate to form quinolinate. | Aminotransferase; 'initially identified as a pseudogene, expression verified by proteomics'. | 0.537 |
| nadA | SPO3244 | SPO3243 | SPO3244 | Quinolinate synthetase complex, A subunit; Catalyzes the condensation of iminoaspartate with dihydroxyacetone phosphate to form quinolinate. | L-aspartate oxidase, putative; Identified by similarity to GB:BAB54506.1; match to protein family HMM PF00890; match to protein family HMM PF02910. | 0.999 |
| nadA | cysE | SPO3243 | SPO2247 | Quinolinate synthetase complex, A subunit; Catalyzes the condensation of iminoaspartate with dihydroxyacetone phosphate to form quinolinate. | Serine O-acetyltransferase; Identified by similarity to SP:P05796; match to protein family HMM PF00132; match to protein family HMM PF06426; match to protein family HMM TIGR01172. | 0.821 |
| nadA | gmk | SPO3243 | SPO1945 | Quinolinate synthetase complex, A subunit; Catalyzes the condensation of iminoaspartate with dihydroxyacetone phosphate to form quinolinate. | Guanylate kinase; Essential for recycling GMP and indirectly, cGMP. | 0.687 |
| nadA | nadC | SPO3243 | SPO3245 | Quinolinate synthetase complex, A subunit; Catalyzes the condensation of iminoaspartate with dihydroxyacetone phosphate to form quinolinate. | Nicotinate-nucleotide pyrophosphorylase; Identified by similarity to SP:P39666; match to protein family HMM PF01729; match to protein family HMM PF02749; match to protein family HMM TIGR00078; Belongs to the NadC/ModD family. | 0.999 |
| nadA | nadE | SPO3243 | SPO0426 | Quinolinate synthetase complex, A subunit; Catalyzes the condensation of iminoaspartate with dihydroxyacetone phosphate to form quinolinate. | Glutamine-dependent NAD(+) synthetase; Catalyzes the ATP-dependent amidation of deamido-NAD to form NAD. Uses L-glutamine as a nitrogen source. | 0.664 |
| nadA | nadX | SPO3243 | SPO2880 | Quinolinate synthetase complex, A subunit; Catalyzes the condensation of iminoaspartate with dihydroxyacetone phosphate to form quinolinate. | Hypothetical protein; Specifically catalyzes the NAD or NADP-dependent dehydrogenation of L-aspartate to iminoaspartate. | 0.926 |
| nadA | pncB | SPO3243 | SPO0095 | Quinolinate synthetase complex, A subunit; Catalyzes the condensation of iminoaspartate with dihydroxyacetone phosphate to form quinolinate. | Nicotinate phosphoribosyltransferase; Catalyzes the synthesis of beta-nicotinate D-ribonucleotide from nicotinate and 5-phospho-D-ribose 1-phosphate at the expense of ATP; Belongs to the NAPRTase family. | 0.728 |
| nadA | ribD | SPO3243 | SPO1754 | Quinolinate synthetase complex, A subunit; Catalyzes the condensation of iminoaspartate with dihydroxyacetone phosphate to form quinolinate. | Riboflavin biosynthesis protein RibD; Converts 2,5-diamino-6-(ribosylamino)-4(3h)-pyrimidinone 5'- phosphate into 5-amino-6-(ribosylamino)-2,4(1h,3h)-pyrimidinedione 5'- phosphate; In the C-terminal section; belongs to the HTP reductase family. | 0.702 |