| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| glpR | purB | HD_1648 | HD_1649 | Glycerol-3-phosphate regulon repressor. | Adenylosuccinate lyase; Adenylosuccinase; Belongs to the lyase 1 family. Adenylosuccinate lyase subfamily. | 0.563 |
| glpR | ubiA | HD_1648 | HD_1647 | Glycerol-3-phosphate regulon repressor. | 4-hydroxybenzoate octaprenyltransferase; Catalyzes the prenylation of para-hydroxybenzoate (PHB) with an all-trans polyprenyl group. Mediates the second step in the final reaction sequence of ubiquinone-8 (UQ-8) biosynthesis, which is the condensation of the polyisoprenoid side chain with PHB, generating the first membrane-bound Q intermediate 3-octaprenyl-4-hydroxybenzoate. | 0.620 |
| ispB | ubiA | HD_0705 | HD_1647 | Octaprenyl-diphosphate synthase; Octaprenyl pyrophosphate synthetase; Belongs to the FPP/GGPP synthase family. | 4-hydroxybenzoate octaprenyltransferase; Catalyzes the prenylation of para-hydroxybenzoate (PHB) with an all-trans polyprenyl group. Mediates the second step in the final reaction sequence of ubiquinone-8 (UQ-8) biosynthesis, which is the condensation of the polyisoprenoid side chain with PHB, generating the first membrane-bound Q intermediate 3-octaprenyl-4-hydroxybenzoate. | 0.893 |
| ispB | ubiE | HD_0705 | HD_0719 | Octaprenyl-diphosphate synthase; Octaprenyl pyrophosphate synthetase; Belongs to the FPP/GGPP synthase family. | Ubiquinone/menaquinone biosynthesis methyltransferase; Methyltransferase required for the conversion of demethylmenaquinol (DMKH2) to menaquinol (MKH2) and the conversion of 2-polyprenyl-6-methoxy-1,4-benzoquinol (DDMQH2) to 2-polyprenyl-3- methyl-6-methoxy-1,4-benzoquinol (DMQH2). | 0.598 |
| ispB | ubiF | HD_0705 | HD_1874 | Octaprenyl-diphosphate synthase; Octaprenyl pyrophosphate synthetase; Belongs to the FPP/GGPP synthase family. | Putative 2-octaprenyl-3-methyl-6-methoxy-1,4-benzoquinol hydroxylase. | 0.448 |
| ispB | visC | HD_0705 | HD_0582 | Octaprenyl-diphosphate synthase; Octaprenyl pyrophosphate synthetase; Belongs to the FPP/GGPP synthase family. | Probable monoxygenase. | 0.419 |
| purB | glpR | HD_1649 | HD_1648 | Adenylosuccinate lyase; Adenylosuccinase; Belongs to the lyase 1 family. Adenylosuccinate lyase subfamily. | Glycerol-3-phosphate regulon repressor. | 0.563 |
| purB | ribAB | HD_1649 | HD_1163 | Adenylosuccinate lyase; Adenylosuccinase; Belongs to the lyase 1 family. Adenylosuccinate lyase subfamily. | Riboflavin biosynthesis protein ribA; Catalyzes the conversion of D-ribulose 5-phosphate to formate and 3,4-dihydroxy-2-butanone 4-phosphate; In the C-terminal section; belongs to the GTP cyclohydrolase II family. | 0.647 |
| purB | ubiA | HD_1649 | HD_1647 | Adenylosuccinate lyase; Adenylosuccinase; Belongs to the lyase 1 family. Adenylosuccinate lyase subfamily. | 4-hydroxybenzoate octaprenyltransferase; Catalyzes the prenylation of para-hydroxybenzoate (PHB) with an all-trans polyprenyl group. Mediates the second step in the final reaction sequence of ubiquinone-8 (UQ-8) biosynthesis, which is the condensation of the polyisoprenoid side chain with PHB, generating the first membrane-bound Q intermediate 3-octaprenyl-4-hydroxybenzoate. | 0.555 |
| ribAB | purB | HD_1163 | HD_1649 | Riboflavin biosynthesis protein ribA; Catalyzes the conversion of D-ribulose 5-phosphate to formate and 3,4-dihydroxy-2-butanone 4-phosphate; In the C-terminal section; belongs to the GTP cyclohydrolase II family. | Adenylosuccinate lyase; Adenylosuccinase; Belongs to the lyase 1 family. Adenylosuccinate lyase subfamily. | 0.647 |
| ribAB | ubiA | HD_1163 | HD_1647 | Riboflavin biosynthesis protein ribA; Catalyzes the conversion of D-ribulose 5-phosphate to formate and 3,4-dihydroxy-2-butanone 4-phosphate; In the C-terminal section; belongs to the GTP cyclohydrolase II family. | 4-hydroxybenzoate octaprenyltransferase; Catalyzes the prenylation of para-hydroxybenzoate (PHB) with an all-trans polyprenyl group. Mediates the second step in the final reaction sequence of ubiquinone-8 (UQ-8) biosynthesis, which is the condensation of the polyisoprenoid side chain with PHB, generating the first membrane-bound Q intermediate 3-octaprenyl-4-hydroxybenzoate. | 0.580 |
| ubiA | glpR | HD_1647 | HD_1648 | 4-hydroxybenzoate octaprenyltransferase; Catalyzes the prenylation of para-hydroxybenzoate (PHB) with an all-trans polyprenyl group. Mediates the second step in the final reaction sequence of ubiquinone-8 (UQ-8) biosynthesis, which is the condensation of the polyisoprenoid side chain with PHB, generating the first membrane-bound Q intermediate 3-octaprenyl-4-hydroxybenzoate. | Glycerol-3-phosphate regulon repressor. | 0.620 |
| ubiA | ispB | HD_1647 | HD_0705 | 4-hydroxybenzoate octaprenyltransferase; Catalyzes the prenylation of para-hydroxybenzoate (PHB) with an all-trans polyprenyl group. Mediates the second step in the final reaction sequence of ubiquinone-8 (UQ-8) biosynthesis, which is the condensation of the polyisoprenoid side chain with PHB, generating the first membrane-bound Q intermediate 3-octaprenyl-4-hydroxybenzoate. | Octaprenyl-diphosphate synthase; Octaprenyl pyrophosphate synthetase; Belongs to the FPP/GGPP synthase family. | 0.893 |
| ubiA | purB | HD_1647 | HD_1649 | 4-hydroxybenzoate octaprenyltransferase; Catalyzes the prenylation of para-hydroxybenzoate (PHB) with an all-trans polyprenyl group. Mediates the second step in the final reaction sequence of ubiquinone-8 (UQ-8) biosynthesis, which is the condensation of the polyisoprenoid side chain with PHB, generating the first membrane-bound Q intermediate 3-octaprenyl-4-hydroxybenzoate. | Adenylosuccinate lyase; Adenylosuccinase; Belongs to the lyase 1 family. Adenylosuccinate lyase subfamily. | 0.555 |
| ubiA | ribAB | HD_1647 | HD_1163 | 4-hydroxybenzoate octaprenyltransferase; Catalyzes the prenylation of para-hydroxybenzoate (PHB) with an all-trans polyprenyl group. Mediates the second step in the final reaction sequence of ubiquinone-8 (UQ-8) biosynthesis, which is the condensation of the polyisoprenoid side chain with PHB, generating the first membrane-bound Q intermediate 3-octaprenyl-4-hydroxybenzoate. | Riboflavin biosynthesis protein ribA; Catalyzes the conversion of D-ribulose 5-phosphate to formate and 3,4-dihydroxy-2-butanone 4-phosphate; In the C-terminal section; belongs to the GTP cyclohydrolase II family. | 0.580 |
| ubiA | ubiD | HD_1647 | HD_0197 | 4-hydroxybenzoate octaprenyltransferase; Catalyzes the prenylation of para-hydroxybenzoate (PHB) with an all-trans polyprenyl group. Mediates the second step in the final reaction sequence of ubiquinone-8 (UQ-8) biosynthesis, which is the condensation of the polyisoprenoid side chain with PHB, generating the first membrane-bound Q intermediate 3-octaprenyl-4-hydroxybenzoate. | 3-octaprenyl-4-hydroxybenzoate carboxy-lyase; Catalyzes the decarboxylation of 3-octaprenyl-4-hydroxy benzoate to 2-octaprenylphenol, an intermediate step in ubiquinone biosynthesis. | 0.958 |
| ubiA | ubiE | HD_1647 | HD_0719 | 4-hydroxybenzoate octaprenyltransferase; Catalyzes the prenylation of para-hydroxybenzoate (PHB) with an all-trans polyprenyl group. Mediates the second step in the final reaction sequence of ubiquinone-8 (UQ-8) biosynthesis, which is the condensation of the polyisoprenoid side chain with PHB, generating the first membrane-bound Q intermediate 3-octaprenyl-4-hydroxybenzoate. | Ubiquinone/menaquinone biosynthesis methyltransferase; Methyltransferase required for the conversion of demethylmenaquinol (DMKH2) to menaquinol (MKH2) and the conversion of 2-polyprenyl-6-methoxy-1,4-benzoquinol (DDMQH2) to 2-polyprenyl-3- methyl-6-methoxy-1,4-benzoquinol (DMQH2). | 0.714 |
| ubiA | ubiF | HD_1647 | HD_1874 | 4-hydroxybenzoate octaprenyltransferase; Catalyzes the prenylation of para-hydroxybenzoate (PHB) with an all-trans polyprenyl group. Mediates the second step in the final reaction sequence of ubiquinone-8 (UQ-8) biosynthesis, which is the condensation of the polyisoprenoid side chain with PHB, generating the first membrane-bound Q intermediate 3-octaprenyl-4-hydroxybenzoate. | Putative 2-octaprenyl-3-methyl-6-methoxy-1,4-benzoquinol hydroxylase. | 0.714 |
| ubiA | ubiG | HD_1647 | HD_1750 | 4-hydroxybenzoate octaprenyltransferase; Catalyzes the prenylation of para-hydroxybenzoate (PHB) with an all-trans polyprenyl group. Mediates the second step in the final reaction sequence of ubiquinone-8 (UQ-8) biosynthesis, which is the condensation of the polyisoprenoid side chain with PHB, generating the first membrane-bound Q intermediate 3-octaprenyl-4-hydroxybenzoate. | 3-demethylubiquinone-9 3-methyltransferase; O-methyltransferase that catalyzes the 2 O-methylation steps in the ubiquinone biosynthetic pathway; Belongs to the methyltransferase superfamily. UbiG/COQ3 family. | 0.791 |
| ubiA | ubiX | HD_1647 | HD_1360 | 4-hydroxybenzoate octaprenyltransferase; Catalyzes the prenylation of para-hydroxybenzoate (PHB) with an all-trans polyprenyl group. Mediates the second step in the final reaction sequence of ubiquinone-8 (UQ-8) biosynthesis, which is the condensation of the polyisoprenoid side chain with PHB, generating the first membrane-bound Q intermediate 3-octaprenyl-4-hydroxybenzoate. | 3-octaprenyl-4-hydroxybenzoate carboxy-lyase; Flavin prenyltransferase that catalyzes the synthesis of the prenylated FMN cofactor (prenyl-FMN) for 4-hydroxy-3-polyprenylbenzoic acid decarboxylase UbiD. The prenyltransferase is metal-independent and links a dimethylallyl moiety from dimethylallyl monophosphate (DMAP) to the flavin N5 and C6 atoms of FMN; Belongs to the UbiX/PAD1 family. | 0.926 |