| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| PSHAa2222 | PSHAa2223 | PSHAa2222 | PSHAa2223 | Putative B12-dependent homocysteine-N5-methyltetrahydrofolate transmethylase (C terminal); 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. | putativeB12-dependent homocysteine-N5-methyltetrahydrofolate transmethylase (N terminal); Function proposed based on presence of conserved amino acid motif, structural feature or limited homolgy. | 0.999 |
| PSHAa2222 | folA | PSHAa2222 | PSHAa2653 | Putative B12-dependent homocysteine-N5-methyltetrahydrofolate transmethylase (C terminal); 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 type I, trimethoprim resistance; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | 0.915 |
| PSHAa2222 | folM | PSHAa2222 | PSHAa0074 | Putative B12-dependent homocysteine-N5-methyltetrahydrofolate transmethylase (C terminal); 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. | Putative alternative dihydrofolate reductase, NAD(P)-binding domain; Function of strongly homologous gene; enzyme. | 0.904 |
| PSHAa2222 | gcvT | PSHAa2222 | PSHAa2475 | Putative B12-dependent homocysteine-N5-methyltetrahydrofolate transmethylase (C terminal); 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 complex protein T, aminomethyltransferase, tetrahydrofolate-dependent; The glycine cleavage system catalyzes the degradation of glycine. | 0.927 |
| PSHAa2222 | glyA | PSHAa2222 | PSHAa2376 | Putative B12-dependent homocysteine-N5-methyltetrahydrofolate transmethylase (C terminal); 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. | 0.943 |
| PSHAa2222 | purH | PSHAa2222 | PSHAa0345 | Putative B12-dependent homocysteine-N5-methyltetrahydrofolate transmethylase (C terminal); 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; Function of strongly homologous gene; enzyme. | 0.908 |
| PSHAa2222 | purN | PSHAa2222 | PSHAa1948 | Putative B12-dependent homocysteine-N5-methyltetrahydrofolate transmethylase (C terminal); 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 1; 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. | 0.904 |
| PSHAa2223 | PSHAa2222 | PSHAa2223 | PSHAa2222 | putativeB12-dependent homocysteine-N5-methyltetrahydrofolate transmethylase (N terminal); Function proposed based on presence of conserved amino acid motif, structural feature or limited homolgy. | Putative B12-dependent homocysteine-N5-methyltetrahydrofolate transmethylase (C terminal); 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 |
| PSHAa2223 | folA | PSHAa2223 | PSHAa2653 | putativeB12-dependent homocysteine-N5-methyltetrahydrofolate transmethylase (N terminal); Function proposed based on presence of conserved amino acid motif, structural feature or limited homolgy. | Dihydrofolate reductase type I, trimethoprim resistance; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | 0.915 |
| PSHAa2223 | folM | PSHAa2223 | PSHAa0074 | putativeB12-dependent homocysteine-N5-methyltetrahydrofolate transmethylase (N terminal); Function proposed based on presence of conserved amino acid motif, structural feature or limited homolgy. | Putative alternative dihydrofolate reductase, NAD(P)-binding domain; Function of strongly homologous gene; enzyme. | 0.904 |
| PSHAa2223 | gcvT | PSHAa2223 | PSHAa2475 | putativeB12-dependent homocysteine-N5-methyltetrahydrofolate transmethylase (N terminal); Function proposed based on presence of conserved amino acid motif, structural feature or limited homolgy. | Glycine cleavage complex protein T, aminomethyltransferase, tetrahydrofolate-dependent; The glycine cleavage system catalyzes the degradation of glycine. | 0.927 |
| PSHAa2223 | glyA | PSHAa2223 | PSHAa2376 | putativeB12-dependent homocysteine-N5-methyltetrahydrofolate transmethylase (N terminal); Function proposed based on presence of conserved amino acid motif, structural feature or limited homolgy. | 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. | 0.943 |
| PSHAa2223 | purH | PSHAa2223 | PSHAa0345 | putativeB12-dependent homocysteine-N5-methyltetrahydrofolate transmethylase (N terminal); Function proposed based on presence of conserved amino acid motif, structural feature or limited homolgy. | Phosphoribosylaminoimidazolecarboxamide formyltransferase; Function of strongly homologous gene; enzyme. | 0.908 |
| PSHAa2223 | purN | PSHAa2223 | PSHAa1948 | putativeB12-dependent homocysteine-N5-methyltetrahydrofolate transmethylase (N terminal); Function proposed based on presence of conserved amino acid motif, structural feature or limited homolgy. | Phosphoribosylglycinamide formyltransferase 1; 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. | 0.904 |
| folA | PSHAa2222 | PSHAa2653 | PSHAa2222 | Dihydrofolate reductase type I, trimethoprim resistance; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | Putative B12-dependent homocysteine-N5-methyltetrahydrofolate transmethylase (C terminal); 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. | 0.915 |
| folA | PSHAa2223 | PSHAa2653 | PSHAa2223 | Dihydrofolate reductase type I, trimethoprim resistance; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | putativeB12-dependent homocysteine-N5-methyltetrahydrofolate transmethylase (N terminal); Function proposed based on presence of conserved amino acid motif, structural feature or limited homolgy. | 0.915 |
| folA | folB | PSHAa2653 | PSHAa2302 | Dihydrofolate reductase type I, trimethoprim resistance; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | Dihydroneopterin aldolase (DHNA); Catalyzes the conversion of 7,8-dihydroneopterin to 6- hydroxymethyl-7,8-dihydropterin. | 0.524 |
| folA | folM | PSHAa2653 | PSHAa0074 | Dihydrofolate reductase type I, trimethoprim resistance; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | Putative alternative dihydrofolate reductase, NAD(P)-binding domain; Function of strongly homologous gene; enzyme. | 0.924 |
| folA | gcvT | PSHAa2653 | PSHAa2475 | Dihydrofolate reductase type I, trimethoprim resistance; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. | Glycine cleavage complex protein T, aminomethyltransferase, tetrahydrofolate-dependent; The glycine cleavage system catalyzes the degradation of glycine. | 0.906 |
| folA | glyA | PSHAa2653 | PSHAa2376 | Dihydrofolate reductase type I, trimethoprim resistance; 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. | 0.929 |