| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| CysK | Q7A_2990 | Q7A_2535 | Q7A_2990 | Cysteine synthase; PFAM: Pyridoxal-phosphate dependent enzyme; TIGRFAM: cysteine synthase A; cysteine synthases. | 5-methyltetrahydrofolate--homocysteine methyltransferase; Catalyzes the transfer of a methyl group from methyl- cobalamin to homocysteine, yielding enzyme-bound cob(I)alamin and methionine. Subsequently, remethylates the cofactor using methyltetrahydrofolate. | 0.874 |
| CysK | Q7A_889 | Q7A_2535 | Q7A_889 | Cysteine synthase; PFAM: Pyridoxal-phosphate dependent enzyme; TIGRFAM: cysteine synthase A; cysteine synthases. | PFAM: Aminotransferase class I and II. | 0.914 |
| CysK | ahcY | Q7A_2535 | Q7A_2512 | Cysteine synthase; PFAM: Pyridoxal-phosphate dependent enzyme; TIGRFAM: cysteine synthase A; cysteine synthases. | Adenosylhomocysteinase; May play a key role in the regulation of the intracellular concentration of adenosylhomocysteine. | 0.855 |
| CysK | metE | Q7A_2535 | Q7A_321 | Cysteine synthase; PFAM: Pyridoxal-phosphate dependent enzyme; TIGRFAM: cysteine synthase A; cysteine synthases. | 5-methyltetrahydropteroyltriglutamate-- homocysteine methyltransferase; Catalyzes the transfer of a methyl group from 5- methyltetrahydrofolate to homocysteine resulting in methionine formation; Belongs to the vitamin-B12 independent methionine synthase family. | 0.851 |
| CysK | metZ | Q7A_2535 | Q7A_2231 | Cysteine synthase; PFAM: Pyridoxal-phosphate dependent enzyme; TIGRFAM: cysteine synthase A; cysteine synthases. | O-acetylhomoserine sulfhydrylase / O-succinylhomoserine sulfhydrylase; Catalyzes the formation of L-homocysteine from O-succinyl-L- homoserine (OSHS) and hydrogen sulfide. | 0.972 |
| MetF | Q7A_2990 | Q7A_2513 | Q7A_2990 | PFAM: Methylenetetrahydrofolate reductase; TIGRFAM: 5,10-methylenetetrahydrofolate reductase, prokaryotic form; Belongs to the methylenetetrahydrofolate reductase family. | 5-methyltetrahydrofolate--homocysteine methyltransferase; Catalyzes the transfer of a methyl group from methyl- cobalamin to homocysteine, yielding enzyme-bound cob(I)alamin and methionine. Subsequently, remethylates the cofactor using methyltetrahydrofolate. | 0.998 |
| MetF | Q7A_3064 | Q7A_2513 | Q7A_3064 | PFAM: Methylenetetrahydrofolate reductase; TIGRFAM: 5,10-methylenetetrahydrofolate reductase, prokaryotic form; Belongs to the methylenetetrahydrofolate reductase family. | PFAM: Homoserine dehydrogenase, NAD binding domain; Homoserine dehydrogenase; ACT domain. | 0.619 |
| MetF | ahcY | Q7A_2513 | Q7A_2512 | PFAM: Methylenetetrahydrofolate reductase; TIGRFAM: 5,10-methylenetetrahydrofolate reductase, prokaryotic form; Belongs to the methylenetetrahydrofolate reductase family. | Adenosylhomocysteinase; May play a key role in the regulation of the intracellular concentration of adenosylhomocysteine. | 0.760 |
| MetF | metE | Q7A_2513 | Q7A_321 | PFAM: Methylenetetrahydrofolate reductase; TIGRFAM: 5,10-methylenetetrahydrofolate reductase, prokaryotic form; Belongs to the methylenetetrahydrofolate reductase family. | 5-methyltetrahydropteroyltriglutamate-- homocysteine methyltransferase; Catalyzes the transfer of a methyl group from 5- methyltetrahydrofolate to homocysteine resulting in methionine formation; Belongs to the vitamin-B12 independent methionine synthase family. | 0.949 |
| MetF | metK | Q7A_2513 | Q7A_2511 | PFAM: Methylenetetrahydrofolate reductase; TIGRFAM: 5,10-methylenetetrahydrofolate reductase, prokaryotic form; Belongs to the methylenetetrahydrofolate reductase family. | S-adenosylmethionine synthetase; Catalyzes the formation of S-adenosylmethionine (AdoMet) from methionine and ATP. The overall synthetic reaction is composed of two sequential steps, AdoMet formation and the subsequent tripolyphosphate hydrolysis which occurs prior to release of AdoMet from the enzyme. | 0.926 |
| MetF | metZ | Q7A_2513 | Q7A_2231 | PFAM: Methylenetetrahydrofolate reductase; TIGRFAM: 5,10-methylenetetrahydrofolate reductase, prokaryotic form; Belongs to the methylenetetrahydrofolate reductase family. | O-acetylhomoserine sulfhydrylase / O-succinylhomoserine sulfhydrylase; Catalyzes the formation of L-homocysteine from O-succinyl-L- homoserine (OSHS) and hydrogen sulfide. | 0.676 |
| Q7A_2990 | CysK | Q7A_2990 | Q7A_2535 | 5-methyltetrahydrofolate--homocysteine methyltransferase; Catalyzes the transfer of a methyl group from methyl- cobalamin to homocysteine, yielding enzyme-bound cob(I)alamin and methionine. Subsequently, remethylates the cofactor using methyltetrahydrofolate. | Cysteine synthase; PFAM: Pyridoxal-phosphate dependent enzyme; TIGRFAM: cysteine synthase A; cysteine synthases. | 0.874 |
| Q7A_2990 | MetF | Q7A_2990 | Q7A_2513 | 5-methyltetrahydrofolate--homocysteine methyltransferase; Catalyzes the transfer of a methyl group from methyl- cobalamin to homocysteine, yielding enzyme-bound cob(I)alamin and methionine. Subsequently, remethylates the cofactor using methyltetrahydrofolate. | PFAM: Methylenetetrahydrofolate reductase; TIGRFAM: 5,10-methylenetetrahydrofolate reductase, prokaryotic form; Belongs to the methylenetetrahydrofolate reductase family. | 0.998 |
| Q7A_2990 | Q7A_3064 | Q7A_2990 | Q7A_3064 | 5-methyltetrahydrofolate--homocysteine methyltransferase; Catalyzes the transfer of a methyl group from methyl- cobalamin to homocysteine, yielding enzyme-bound cob(I)alamin and methionine. Subsequently, remethylates the cofactor using methyltetrahydrofolate. | PFAM: Homoserine dehydrogenase, NAD binding domain; Homoserine dehydrogenase; ACT domain. | 0.958 |
| Q7A_2990 | Q7A_889 | Q7A_2990 | Q7A_889 | 5-methyltetrahydrofolate--homocysteine methyltransferase; Catalyzes the transfer of a methyl group from methyl- cobalamin to homocysteine, yielding enzyme-bound cob(I)alamin and methionine. Subsequently, remethylates the cofactor using methyltetrahydrofolate. | PFAM: Aminotransferase class I and II. | 0.936 |
| Q7A_2990 | ahcY | Q7A_2990 | Q7A_2512 | 5-methyltetrahydrofolate--homocysteine methyltransferase; Catalyzes the transfer of a methyl group from methyl- cobalamin to homocysteine, yielding enzyme-bound cob(I)alamin and methionine. Subsequently, remethylates the cofactor using methyltetrahydrofolate. | Adenosylhomocysteinase; May play a key role in the regulation of the intracellular concentration of adenosylhomocysteine. | 0.968 |
| Q7A_2990 | ilvA | Q7A_2990 | Q7A_2966 | 5-methyltetrahydrofolate--homocysteine methyltransferase; Catalyzes the transfer of a methyl group from methyl- cobalamin to homocysteine, yielding enzyme-bound cob(I)alamin and methionine. Subsequently, remethylates the cofactor using methyltetrahydrofolate. | Threonine dehydratase biosynthetic; Catalyzes the anaerobic formation of alpha-ketobutyrate and ammonia from threonine in a two-step reaction. The first step involved a dehydration of threonine and a production of enamine intermediates (aminocrotonate), which tautomerizes to its imine form (iminobutyrate). Both intermediates are unstable and short-lived. The second step is the nonenzymatic hydrolysis of the enamine/imine intermediates to form 2- ketobutyrate and free ammonia. In the low water environment of the cell, the second step is accelerated by RidA. | 0.892 |
| Q7A_2990 | metE | Q7A_2990 | Q7A_321 | 5-methyltetrahydrofolate--homocysteine methyltransferase; Catalyzes the transfer of a methyl group from methyl- cobalamin to homocysteine, yielding enzyme-bound cob(I)alamin and methionine. Subsequently, remethylates the cofactor using methyltetrahydrofolate. | 5-methyltetrahydropteroyltriglutamate-- homocysteine methyltransferase; Catalyzes the transfer of a methyl group from 5- methyltetrahydrofolate to homocysteine resulting in methionine formation; Belongs to the vitamin-B12 independent methionine synthase family. | 0.986 |
| Q7A_2990 | metG | Q7A_2990 | Q7A_1557 | 5-methyltetrahydrofolate--homocysteine methyltransferase; Catalyzes the transfer of a methyl group from methyl- cobalamin to homocysteine, yielding enzyme-bound cob(I)alamin and methionine. Subsequently, remethylates the cofactor using methyltetrahydrofolate. | Methionyl-tRNA synthetase; Is required not only for elongation of protein synthesis but also for the initiation of all mRNA translation through initiator tRNA(fMet) aminoacylation. | 0.919 |
| Q7A_2990 | metK | Q7A_2990 | Q7A_2511 | 5-methyltetrahydrofolate--homocysteine methyltransferase; Catalyzes the transfer of a methyl group from methyl- cobalamin to homocysteine, yielding enzyme-bound cob(I)alamin and methionine. Subsequently, remethylates the cofactor using methyltetrahydrofolate. | S-adenosylmethionine synthetase; Catalyzes the formation of S-adenosylmethionine (AdoMet) from methionine and ATP. The overall synthetic reaction is composed of two sequential steps, AdoMet formation and the subsequent tripolyphosphate hydrolysis which occurs prior to release of AdoMet from the enzyme. | 0.968 |