| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| ABC0838 | kynB | ABC0838 | ABC0652 | Oxalate decarboxylase. | Conserved hypothetical protein; Catalyzes the hydrolysis of N-formyl-L-kynurenine to L- kynurenine, the second step in the kynurenine pathway of tryptophan degradation. | 0.900 |
| ABC0838 | purU | ABC0838 | ABC2781 | Oxalate decarboxylase. | Formyltetrahydrofolate hydrolase; Catalyzes the hydrolysis of 10-formyltetrahydrofolate (formyl-FH4) to formate and tetrahydrofolate (FH4). | 0.900 |
| ABC1868 | ABC1869 | ABC1868 | ABC1869 | 5,10-methylenetetrahydrofolate reductase. | 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. | 0.999 |
| ABC1868 | dfrA | ABC1868 | ABC2954 | 5,10-methylenetetrahydrofolate reductase. | Dihydrofolate reductase; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | 0.941 |
| ABC1868 | folD | ABC1868 | ABC3388 | 5,10-methylenetetrahydrofolate reductase. | Bifunctional protein FolD; Catalyzes the oxidation of 5,10-methylenetetrahydrofolate to 5,10-methenyltetrahydrofolate and then the hydrolysis of 5,10- methenyltetrahydrofolate to 10-formyltetrahydrofolate. | 0.968 |
| ABC1868 | gcvT | ABC1868 | ABC2495 | 5,10-methylenetetrahydrofolate reductase. | Aminomethyltransferase; The glycine cleavage system catalyzes the degradation of glycine. | 0.965 |
| ABC1868 | glyA | ABC1868 | ABC3863 | 5,10-methylenetetrahydrofolate reductase. | 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. | 0.972 |
| ABC1868 | kynB | ABC1868 | ABC0652 | 5,10-methylenetetrahydrofolate reductase. | Conserved hypothetical protein; Catalyzes the hydrolysis of N-formyl-L-kynurenine to L- kynurenine, the second step in the kynurenine pathway of tryptophan degradation. | 0.475 |
| ABC1868 | purH | ABC1868 | ABC1034 | 5,10-methylenetetrahydrofolate reductase. | Bifunctional purine biosynthesis protein PurH; IMP cyclohydrolase. | 0.948 |
| ABC1868 | purN | ABC1868 | ABC1033 | 5,10-methylenetetrahydrofolate reductase. | Phosphoribosylglycinamide formyltransferase; Catalyzes the transfer of a formyl group from 10- formyltetrahydrofolate to 5-phospho-ribosyl-glycinamide (GAR), producing 5-phospho-ribosyl-N-formylglycinamide (FGAR) and tetrahydrofolate. | 0.944 |
| ABC1868 | purU | ABC1868 | ABC2781 | 5,10-methylenetetrahydrofolate reductase. | Formyltetrahydrofolate hydrolase; Catalyzes the hydrolysis of 10-formyltetrahydrofolate (formyl-FH4) to formate and tetrahydrofolate (FH4). | 0.952 |
| ABC1869 | ABC1868 | ABC1869 | ABC1868 | 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. | 5,10-methylenetetrahydrofolate reductase. | 0.999 |
| ABC1869 | dfrA | ABC1869 | ABC2954 | 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. | Dihydrofolate reductase; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | 0.925 |
| ABC1869 | folD | ABC1869 | ABC3388 | 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. | Bifunctional protein FolD; Catalyzes the oxidation of 5,10-methylenetetrahydrofolate to 5,10-methenyltetrahydrofolate and then the hydrolysis of 5,10- methenyltetrahydrofolate to 10-formyltetrahydrofolate. | 0.694 |
| ABC1869 | gcvT | ABC1869 | ABC2495 | 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. | Aminomethyltransferase; The glycine cleavage system catalyzes the degradation of glycine. | 0.947 |
| ABC1869 | glyA | ABC1869 | ABC3863 | 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. | 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. | 0.960 |
| ABC1869 | purH | ABC1869 | ABC1034 | 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. | Bifunctional purine biosynthesis protein PurH; IMP cyclohydrolase. | 0.914 |
| ABC1869 | purN | ABC1869 | ABC1033 | 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. | Phosphoribosylglycinamide formyltransferase; Catalyzes the transfer of a formyl group from 10- formyltetrahydrofolate to 5-phospho-ribosyl-glycinamide (GAR), producing 5-phospho-ribosyl-N-formylglycinamide (FGAR) and tetrahydrofolate. | 0.909 |
| ABC1869 | purU | ABC1869 | ABC2781 | 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. | Formyltetrahydrofolate hydrolase; Catalyzes the hydrolysis of 10-formyltetrahydrofolate (formyl-FH4) to formate and tetrahydrofolate (FH4). | 0.918 |
| dfrA | ABC1868 | ABC2954 | ABC1868 | Dihydrofolate reductase; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | 5,10-methylenetetrahydrofolate reductase. | 0.941 |