| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| ahcY | glyA | MCA0138 | MCA1660 | Adenosylhomocysteinase; May play a key role in the regulation of the intracellular concentration of adenosylhomocysteine. | Serine hydroxymethyltransferase; Catalyzes the reversible interconversion of serine and glycine with tetrahydrofolate (THF) serving as the one-carbon carrier. This reaction serves as the major source of one-carbon groups required for the biosynthesis of purines, thymidylate, methionine, and other important biomolecules. Also exhibits THF-independent aldolase activity toward beta-hydroxyamino acids, producing glycine and aldehydes, via a retro-aldol mechanism. | 0.517 |
| ahcY | metE | MCA0138 | MCA2260 | Adenosylhomocysteinase; May play a key role in the regulation of the intracellular concentration of adenosylhomocysteine. | 5-methyltetrahydropteroyltriglutamate-- homocysteine S-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. | 0.983 |
| ahcY | metF | MCA0138 | MCA0137 | Adenosylhomocysteinase; May play a key role in the regulation of the intracellular concentration of adenosylhomocysteine. | 5,10-methylenetetrahydrofolate reductase; Identified by similarity to SP:P00394; match to protein family HMM PF02219; match to protein family HMM TIGR00676; Belongs to the methylenetetrahydrofolate reductase family. | 0.710 |
| ahcY | metG | MCA0138 | MCA0016 | Adenosylhomocysteinase; May play a key role in the regulation of the intracellular concentration of adenosylhomocysteine. | 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. | 0.474 |
| ahcY | metH | MCA0138 | MCA1545 | Adenosylhomocysteinase; May play a key role in the regulation of the intracellular concentration of adenosylhomocysteine. | 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. | 0.954 |
| ahcY | metK-1 | MCA0138 | MCA0139 | Adenosylhomocysteinase; May play a key role in the regulation of the intracellular concentration of adenosylhomocysteine. | 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. | 0.830 |
| ahcY | metK-2 | MCA0138 | MCA0450 | Adenosylhomocysteinase; May play a key role in the regulation of the intracellular concentration of adenosylhomocysteine. | S-adenosylmethionine synthetase; Identified by match to protein family HMM PF00438; match to protein family HMM PF02772; match to protein family HMM PF02773; match to protein family HMM TIGR01034; Belongs to the AdoMet synthase family. | 0.645 |
| ahcY | metZ | MCA0138 | MCA2488 | Adenosylhomocysteinase; May play a key role in the regulation of the intracellular concentration of adenosylhomocysteine. | O-succinylhomoserine sulfhydrylase; Catalyzes the formation of L-homocysteine from O-succinyl-L- homoserine (OSHS) and hydrogen sulfide. | 0.935 |
| fhs | gcvT | MCA2219 | MCA0350 | Formate--tetrahydrofolate ligase; Identified by similarity to SP:P21164; match to protein family HMM PF01268; Belongs to the formate--tetrahydrofolate ligase family. | Glycine cleavage system T protein; The glycine cleavage system catalyzes the degradation of glycine. | 0.949 |
| fhs | glyA | MCA2219 | MCA1660 | Formate--tetrahydrofolate ligase; Identified by similarity to SP:P21164; match to protein family HMM PF01268; Belongs to the formate--tetrahydrofolate ligase family. | Serine hydroxymethyltransferase; Catalyzes the reversible interconversion of serine and glycine with tetrahydrofolate (THF) serving as the one-carbon carrier. This reaction serves as the major source of one-carbon groups required for the biosynthesis of purines, thymidylate, methionine, and other important biomolecules. Also exhibits THF-independent aldolase activity toward beta-hydroxyamino acids, producing glycine and aldehydes, via a retro-aldol mechanism. | 0.968 |
| fhs | metE | MCA2219 | MCA2260 | Formate--tetrahydrofolate ligase; Identified by similarity to SP:P21164; match to protein family HMM PF01268; Belongs to the formate--tetrahydrofolate ligase family. | 5-methyltetrahydropteroyltriglutamate-- homocysteine S-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. | 0.509 |
| fhs | metF | MCA2219 | MCA0137 | Formate--tetrahydrofolate ligase; Identified by similarity to SP:P21164; match to protein family HMM PF01268; Belongs to the formate--tetrahydrofolate ligase family. | 5,10-methylenetetrahydrofolate reductase; Identified by similarity to SP:P00394; match to protein family HMM PF02219; match to protein family HMM TIGR00676; Belongs to the methylenetetrahydrofolate reductase family. | 0.426 |
| fhs | metH | MCA2219 | MCA1545 | Formate--tetrahydrofolate ligase; Identified by similarity to SP:P21164; match to protein family HMM PF01268; Belongs to the formate--tetrahydrofolate ligase 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. | 0.952 |
| gcvT | fhs | MCA0350 | MCA2219 | Glycine cleavage system T protein; The glycine cleavage system catalyzes the degradation of glycine. | Formate--tetrahydrofolate ligase; Identified by similarity to SP:P21164; match to protein family HMM PF01268; Belongs to the formate--tetrahydrofolate ligase family. | 0.949 |
| gcvT | glyA | MCA0350 | MCA1660 | Glycine cleavage system T protein; The glycine cleavage system catalyzes the degradation of glycine. | Serine hydroxymethyltransferase; Catalyzes the reversible interconversion of serine and glycine with tetrahydrofolate (THF) serving as the one-carbon carrier. This reaction serves as the major source of one-carbon groups required for the biosynthesis of purines, thymidylate, methionine, and other important biomolecules. Also exhibits THF-independent aldolase activity toward beta-hydroxyamino acids, producing glycine and aldehydes, via a retro-aldol mechanism. | 0.998 |
| gcvT | metF | MCA0350 | MCA0137 | Glycine cleavage system T protein; The glycine cleavage system catalyzes the degradation of glycine. | 5,10-methylenetetrahydrofolate reductase; Identified by similarity to SP:P00394; match to protein family HMM PF02219; match to protein family HMM TIGR00676; Belongs to the methylenetetrahydrofolate reductase family. | 0.940 |
| gcvT | metH | MCA0350 | MCA1545 | Glycine cleavage system T protein; The glycine cleavage system catalyzes the degradation of glycine. | 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. | 0.956 |
| glyA | ahcY | MCA1660 | MCA0138 | Serine hydroxymethyltransferase; Catalyzes the reversible interconversion of serine and glycine with tetrahydrofolate (THF) serving as the one-carbon carrier. This reaction serves as the major source of one-carbon groups required for the biosynthesis of purines, thymidylate, methionine, and other important biomolecules. Also exhibits THF-independent aldolase activity toward beta-hydroxyamino acids, producing glycine and aldehydes, via a retro-aldol mechanism. | Adenosylhomocysteinase; May play a key role in the regulation of the intracellular concentration of adenosylhomocysteine. | 0.517 |
| glyA | fhs | MCA1660 | MCA2219 | Serine hydroxymethyltransferase; Catalyzes the reversible interconversion of serine and glycine with tetrahydrofolate (THF) serving as the one-carbon carrier. This reaction serves as the major source of one-carbon groups required for the biosynthesis of purines, thymidylate, methionine, and other important biomolecules. Also exhibits THF-independent aldolase activity toward beta-hydroxyamino acids, producing glycine and aldehydes, via a retro-aldol mechanism. | Formate--tetrahydrofolate ligase; Identified by similarity to SP:P21164; match to protein family HMM PF01268; Belongs to the formate--tetrahydrofolate ligase family. | 0.968 |
| glyA | gcvT | MCA1660 | MCA0350 | Serine hydroxymethyltransferase; Catalyzes the reversible interconversion of serine and glycine with tetrahydrofolate (THF) serving as the one-carbon carrier. This reaction serves as the major source of one-carbon groups required for the biosynthesis of purines, thymidylate, methionine, and other important biomolecules. Also exhibits THF-independent aldolase activity toward beta-hydroxyamino acids, producing glycine and aldehydes, via a retro-aldol mechanism. | Glycine cleavage system T protein; The glycine cleavage system catalyzes the degradation of glycine. | 0.998 |