| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| fhs | folA | SO_0560 | SO_3646 | Formate--tetrahydrofolate ligase Fhs; Belongs to the formate--tetrahydrofolate ligase family. | Dihydrofolate reductase FolA; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | 0.939 |
| fhs | folM | SO_0560 | SO_0772 | Formate--tetrahydrofolate ligase Fhs; Belongs to the formate--tetrahydrofolate ligase family. | Dihydrofolate reductase FolM. | 0.905 |
| fhs | gcvT | SO_0560 | SO_0779 | Formate--tetrahydrofolate ligase Fhs; Belongs to the formate--tetrahydrofolate ligase family. | Aminomethyltransferase GcvT; The glycine cleavage system catalyzes the degradation of glycine. | 0.954 |
| fhs | glyA | SO_0560 | SO_3471 | Formate--tetrahydrofolate ligase Fhs; Belongs to the formate--tetrahydrofolate ligase family. | Serine hydroxymethyltransferase GlyA; 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. | 0.973 |
| fhs | metH | SO_0560 | SO_1030 | Formate--tetrahydrofolate ligase Fhs; Belongs to the formate--tetrahydrofolate ligase family. | B12-dependent 5-methyltetrahydrofolate--homocysteine methyltransferase MetH; 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. | 0.948 |
| fhs | purH | SO_0560 | SO_0442 | Formate--tetrahydrofolate ligase Fhs; Belongs to the formate--tetrahydrofolate ligase family. | Bifunctional IMP cyclohydrolase/phosphoribosylaminoimidazolecarboxamide formyltransferase PurH. | 0.990 |
| fhs | purN | SO_0560 | SO_2761 | Formate--tetrahydrofolate ligase Fhs; Belongs to the formate--tetrahydrofolate ligase family. | Phosphoribosylglycinamide formyltransferase PurN; 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. | 0.971 |
| fhs | thyA | SO_0560 | SO_1335 | Formate--tetrahydrofolate ligase Fhs; Belongs to the formate--tetrahydrofolate ligase family. | Thymidylate synthase ThyA; Catalyzes the reductive methylation of 2'-deoxyuridine-5'- monophosphate (dUMP) to 2'-deoxythymidine-5'-monophosphate (dTMP) while utilizing 5,10-methylenetetrahydrofolate (mTHF) as the methyl donor and reductant in the reaction, yielding dihydrofolate (DHF) as a by- product. This enzymatic reaction provides an intracellular de novo source of dTMP, an essential precursor for DNA biosynthesis. | 0.407 |
| folA | fhs | SO_3646 | SO_0560 | Dihydrofolate reductase FolA; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | Formate--tetrahydrofolate ligase Fhs; Belongs to the formate--tetrahydrofolate ligase family. | 0.939 |
| folA | folB | SO_3646 | SO_1291 | Dihydrofolate reductase FolA; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | Dihydroneopterin aldolase FolB; Catalyzes the conversion of 7,8-dihydroneopterin to 6- hydroxymethyl-7,8-dihydropterin. | 0.402 |
| folA | folM | SO_3646 | SO_0772 | Dihydrofolate reductase FolA; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | Dihydrofolate reductase FolM. | 0.973 |
| folA | gcvT | SO_3646 | SO_0779 | Dihydrofolate reductase FolA; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | Aminomethyltransferase GcvT; The glycine cleavage system catalyzes the degradation of glycine. | 0.935 |
| folA | glyA | SO_3646 | SO_3471 | Dihydrofolate reductase FolA; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | Serine hydroxymethyltransferase GlyA; 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. | 0.943 |
| folA | metH | SO_3646 | SO_1030 | Dihydrofolate reductase FolA; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | B12-dependent 5-methyltetrahydrofolate--homocysteine methyltransferase MetH; 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. | 0.936 |
| folA | purH | SO_3646 | SO_0442 | Dihydrofolate reductase FolA; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | Bifunctional IMP cyclohydrolase/phosphoribosylaminoimidazolecarboxamide formyltransferase PurH. | 0.936 |
| folA | purN | SO_3646 | SO_2761 | Dihydrofolate reductase FolA; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | Phosphoribosylglycinamide formyltransferase PurN; 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. | 0.934 |
| folA | thyA | SO_3646 | SO_1335 | Dihydrofolate reductase FolA; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | Thymidylate synthase ThyA; Catalyzes the reductive methylation of 2'-deoxyuridine-5'- monophosphate (dUMP) to 2'-deoxythymidine-5'-monophosphate (dTMP) while utilizing 5,10-methylenetetrahydrofolate (mTHF) as the methyl donor and reductant in the reaction, yielding dihydrofolate (DHF) as a by- product. This enzymatic reaction provides an intracellular de novo source of dTMP, an essential precursor for DNA biosynthesis. | 0.999 |
| folB | folA | SO_1291 | SO_3646 | Dihydroneopterin aldolase FolB; Catalyzes the conversion of 7,8-dihydroneopterin to 6- hydroxymethyl-7,8-dihydropterin. | Dihydrofolate reductase FolA; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | 0.402 |
| folB | folM | SO_1291 | SO_0772 | Dihydroneopterin aldolase FolB; Catalyzes the conversion of 7,8-dihydroneopterin to 6- hydroxymethyl-7,8-dihydropterin. | Dihydrofolate reductase FolM. | 0.903 |
| folM | fhs | SO_0772 | SO_0560 | Dihydrofolate reductase FolM. | Formate--tetrahydrofolate ligase Fhs; Belongs to the formate--tetrahydrofolate ligase family. | 0.905 |