| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| CH53_1681 | fdnG | CH53_1681 | CH53_1680 | Molybdopterin oxidoreductase Fe4S4 domain protein. | formate-DH-alph: formate dehydrogenase-N alpha subunit. | 0.999 |
| CH53_1681 | purU | CH53_1681 | CH53_3864 | Molybdopterin oxidoreductase Fe4S4 domain protein. | Formyltetrahydrofolate deformylase; Catalyzes the hydrolysis of 10-formyltetrahydrofolate (formyl-FH4) to formate and tetrahydrofolate (FH4). | 0.902 |
| fdnG | CH53_1681 | CH53_1680 | CH53_1681 | formate-DH-alph: formate dehydrogenase-N alpha subunit. | Molybdopterin oxidoreductase Fe4S4 domain protein. | 0.999 |
| fdnG | purU | CH53_1680 | CH53_3864 | formate-DH-alph: formate dehydrogenase-N alpha subunit. | Formyltetrahydrofolate deformylase; Catalyzes the hydrolysis of 10-formyltetrahydrofolate (formyl-FH4) to formate and tetrahydrofolate (FH4). | 0.902 |
| fhs | folA | CH53_3938 | CH53_1061 | Formate--tetrahydrofolate ligase family protein; Belongs to the formate--tetrahydrofolate ligase family. | Dihydrofolate reductase; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | 0.926 |
| fhs | folD | CH53_3938 | CH53_2936 | Formate--tetrahydrofolate ligase family protein; Belongs to the formate--tetrahydrofolate ligase family. | Bifunctional protein FolD protein; Catalyzes the oxidation of 5,10-methylenetetrahydrofolate to 5,10-methenyltetrahydrofolate and then the hydrolysis of 5,10- methenyltetrahydrofolate to 10-formyltetrahydrofolate. | 0.997 |
| fhs | gcvT | CH53_3938 | CH53_2620 | Formate--tetrahydrofolate ligase family protein; Belongs to the formate--tetrahydrofolate ligase family. | Glycine cleavage system T protein; The glycine cleavage system catalyzes the degradation of glycine. | 0.943 |
| fhs | glyA | CH53_3938 | CH53_654 | Formate--tetrahydrofolate ligase family protein; 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. | 0.977 |
| fhs | metH | CH53_3938 | CH53_2131 | Formate--tetrahydrofolate ligase family protein; Belongs to the formate--tetrahydrofolate ligase family. | Methionine synthase; 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. | 0.969 |
| fhs | purH | CH53_3938 | CH53_2111 | Formate--tetrahydrofolate ligase family protein; Belongs to the formate--tetrahydrofolate ligase family. | purH: phosphoribosylaminoimidazolecarboxamide formyltransferase/IMP cyclohydrolase. | 0.979 |
| fhs | purN | CH53_3938 | CH53_586 | Formate--tetrahydrofolate ligase family protein; Belongs to the formate--tetrahydrofolate ligase family. | 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. | 0.973 |
| fhs | purU | CH53_3938 | CH53_3864 | Formate--tetrahydrofolate ligase family protein; Belongs to the formate--tetrahydrofolate ligase family. | Formyltetrahydrofolate deformylase; Catalyzes the hydrolysis of 10-formyltetrahydrofolate (formyl-FH4) to formate and tetrahydrofolate (FH4). | 0.948 |
| folA | fhs | CH53_1061 | CH53_3938 | Dihydrofolate reductase; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | Formate--tetrahydrofolate ligase family protein; Belongs to the formate--tetrahydrofolate ligase family. | 0.926 |
| folA | folD | CH53_1061 | CH53_2936 | Dihydrofolate reductase; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | Bifunctional protein FolD protein; Catalyzes the oxidation of 5,10-methylenetetrahydrofolate to 5,10-methenyltetrahydrofolate and then the hydrolysis of 5,10- methenyltetrahydrofolate to 10-formyltetrahydrofolate. | 0.548 |
| folA | gcvT | CH53_1061 | CH53_2620 | Dihydrofolate reductase; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | Glycine cleavage system T protein; The glycine cleavage system catalyzes the degradation of glycine. | 0.913 |
| folA | glyA | CH53_1061 | CH53_654 | Dihydrofolate reductase; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | 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. | 0.933 |
| folA | metH | CH53_1061 | CH53_2131 | Dihydrofolate reductase; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | Methionine synthase; 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. | 0.931 |
| folA | purH | CH53_1061 | CH53_2111 | Dihydrofolate reductase; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | purH: phosphoribosylaminoimidazolecarboxamide formyltransferase/IMP cyclohydrolase. | 0.918 |
| folA | purN | CH53_1061 | CH53_586 | Dihydrofolate reductase; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | 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. | 0.913 |
| folA | purU | CH53_1061 | CH53_3864 | Dihydrofolate reductase; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | Formyltetrahydrofolate deformylase; Catalyzes the hydrolysis of 10-formyltetrahydrofolate (formyl-FH4) to formate and tetrahydrofolate (FH4). | 0.915 |