| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| CV_0203 | folA | CV_0203 | CV_1028 | Probable 5-methyltetrahydrofolate-homocysteine S-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. | 0.929 |
| CV_0203 | folC | CV_0203 | CV_2518 | Probable 5-methyltetrahydrofolate-homocysteine S-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. | Folylpolyglutamate synthase/dihydrofolate synthase; Identified by sequence similarity; putative; ORF located using Blastx/COG0285; Belongs to the folylpolyglutamate synthase family. | 0.443 |
| CV_0203 | gcvT | CV_0203 | CV_3431 | Probable 5-methyltetrahydrofolate-homocysteine S-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. | Glycine cleavage system T protein; The glycine cleavage system catalyzes the degradation of glycine. | 0.954 |
| CV_0203 | glyA | CV_0203 | CV_1286 | Probable 5-methyltetrahydrofolate-homocysteine S-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. | Glycine 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. | 0.934 |
| CV_0203 | purH | CV_0203 | CV_0546 | Probable 5-methyltetrahydrofolate-homocysteine S-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. | Phosphoribosylaminoimidazolecarboxamide formyltransferase; Identified by sequence similarity; putative; ORF located using Glimmer/GeneMark/Blastx/COG0138. | 0.919 |
| CV_0203 | purN | CV_0203 | CV_3616 | Probable 5-methyltetrahydrofolate-homocysteine S-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. | 0.912 |
| CV_0203 | purU | CV_0203 | CV_1926 | Probable 5-methyltetrahydrofolate-homocysteine S-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 deformylase; Catalyzes the hydrolysis of 10-formyltetrahydrofolate (formyl-FH4) to formate and tetrahydrofolate (FH4). | 0.931 |
| CV_4132 | folA | CV_4132 | CV_1028 | Probable pteridine reductase; Identified by sequence similarity; putative; ORF located using Blastx. | Dihydrofolate reductase; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | 0.901 |
| CV_4132 | phhA | CV_4132 | CV_3180 | Probable pteridine reductase; Identified by sequence similarity; putative; ORF located using Blastx. | Phenylalanine 4-monooxygenase; Identified by sequence similarity; putative; ORF located using Glimmer/GeneMark/Blastx/COG3186; Belongs to the biopterin-dependent aromatic amino acid hydroxylase family. | 0.902 |
| folA | CV_0203 | CV_1028 | CV_0203 | Dihydrofolate reductase; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | Probable 5-methyltetrahydrofolate-homocysteine S-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. | 0.929 |
| folA | CV_4132 | CV_1028 | CV_4132 | Dihydrofolate reductase; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | Probable pteridine reductase; Identified by sequence similarity; putative; ORF located using Blastx. | 0.901 |
| folA | folC | CV_1028 | CV_2518 | Dihydrofolate reductase; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | Folylpolyglutamate synthase/dihydrofolate synthase; Identified by sequence similarity; putative; ORF located using Blastx/COG0285; Belongs to the folylpolyglutamate synthase family. | 0.928 |
| folA | gcvT | CV_1028 | CV_3431 | 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. | 0.911 |
| folA | glyA | CV_1028 | CV_1286 | Dihydrofolate reductase; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | Glycine 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. | 0.931 |
| folA | phhA | CV_1028 | CV_3180 | Dihydrofolate reductase; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | Phenylalanine 4-monooxygenase; Identified by sequence similarity; putative; ORF located using Glimmer/GeneMark/Blastx/COG3186; Belongs to the biopterin-dependent aromatic amino acid hydroxylase family. | 0.947 |
| folA | purH | CV_1028 | CV_0546 | Dihydrofolate reductase; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | Phosphoribosylaminoimidazolecarboxamide formyltransferase; Identified by sequence similarity; putative; ORF located using Glimmer/GeneMark/Blastx/COG0138. | 0.917 |
| folA | purN | CV_1028 | CV_3616 | 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. | 0.912 |
| folA | purU | CV_1028 | CV_1926 | 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). | 0.914 |
| folA | thyA | CV_1028 | CV_1027 | Dihydrofolate reductase; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | Thymidylate synthase; 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 |
| folC | CV_0203 | CV_2518 | CV_0203 | Folylpolyglutamate synthase/dihydrofolate synthase; Identified by sequence similarity; putative; ORF located using Blastx/COG0285; Belongs to the folylpolyglutamate synthase family. | Probable 5-methyltetrahydrofolate-homocysteine S-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. | 0.443 |