| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| aarF | ubiA | STM3972 | STM4234 | Putative regulator in ubiquinone biosynthesis; Is probably a protein kinase regulator of UbiI activity which is involved in aerobic coenzyme Q (ubiquinone) biosynthesis. | P-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. | 0.776 |
| aarF | ubiE | STM3972 | STM3970 | Putative regulator in ubiquinone biosynthesis; Is probably a protein kinase regulator of UbiI activity which is involved in aerobic coenzyme Q (ubiquinone) biosynthesis. | S-adenosylmethionine; 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). | 0.940 |
| aarF | ubiX | STM3972 | STM2356 | Putative regulator in ubiquinone biosynthesis; Is probably a protein kinase regulator of UbiI activity which is involved in aerobic coenzyme Q (ubiquinone) biosynthesis. | 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. | 0.754 |
| aarF | yigP | STM3972 | STM3971 | Putative regulator in ubiquinone biosynthesis; Is probably a protein kinase regulator of UbiI activity which is involved in aerobic coenzyme Q (ubiquinone) biosynthesis. | Putative inner membrane protein; Required for ubiquinone (coenzyme Q) biosynthesis under aerobic conditions. Binds hydrophobic ubiquinone biosynthetic intermediates via its SCP2 domain and is essential for the stability of the Ubi complex (By similarity). May constitute a docking platform where Ubi enzymes assemble and access their SCP2-bound polyprenyl substrates (By similarity). Required for intracellular proliferation in macrophages. Belongs to the UbiJ family. | 0.948 |
| phoL | ybeD | STM0669 | STM0636 | Putative phosphate starvation-inducible protein, ATP-binding; Similar to E. coli putative ATP-binding protein in pho regulon (AAC73761.1); Blastp hit to AAC73761.1 (359 aa), 96% identity in aa 1 - 359. | Putative cytoplasmic protein; Similar to E. coli orf, hypothetical protein (AAC73732.1); Blastp hit to AAC73732.1 (87 aa), 97% identity in aa 1 - 87; Belongs to the UPF0250 family. | 0.924 |
| phoL | yhaL | STM0669 | STM3237 | Putative phosphate starvation-inducible protein, ATP-binding; Similar to E. coli putative ATP-binding protein in pho regulon (AAC73761.1); Blastp hit to AAC73761.1 (359 aa), 96% identity in aa 1 - 359. | Putative cytoplasmic protein; Similar to E. coli orf, hypothetical protein (AAC76142.1); Blastp hit to AAC76142.1 (56 aa), 70% identity in aa 3 - 56. | 0.897 |
| phoL | yheM | STM0669 | STM3450 | Putative phosphate starvation-inducible protein, ATP-binding; Similar to E. coli putative ATP-binding protein in pho regulon (AAC73761.1); Blastp hit to AAC73761.1 (359 aa), 96% identity in aa 1 - 359. | Putative oxidation of intracellular sulfur; Part of a sulfur-relay system required for 2-thiolation of 5- methylaminomethyl-2-thiouridine (mnm(5)s(2)U) at tRNA wobble positions. | 0.843 |
| phoL | yheN | STM0669 | STM3451 | Putative phosphate starvation-inducible protein, ATP-binding; Similar to E. coli putative ATP-binding protein in pho regulon (AAC73761.1); Blastp hit to AAC73761.1 (359 aa), 96% identity in aa 1 - 359. | Putative ACR involved in intracellular sulfur reduction; Part of a sulfur-relay system required for 2-thiolation of 5- methylaminomethyl-2-thiouridine (mnm(5)s(2)U) at tRNA wobble positions. Accepts sulfur from TusA and transfers it in turn to TusE. | 0.820 |
| phoL | yigP | STM0669 | STM3971 | Putative phosphate starvation-inducible protein, ATP-binding; Similar to E. coli putative ATP-binding protein in pho regulon (AAC73761.1); Blastp hit to AAC73761.1 (359 aa), 96% identity in aa 1 - 359. | Putative inner membrane protein; Required for ubiquinone (coenzyme Q) biosynthesis under aerobic conditions. Binds hydrophobic ubiquinone biosynthetic intermediates via its SCP2 domain and is essential for the stability of the Ubi complex (By similarity). May constitute a docking platform where Ubi enzymes assemble and access their SCP2-bound polyprenyl substrates (By similarity). Required for intracellular proliferation in macrophages. Belongs to the UbiJ family. | 0.808 |
| ubiA | aarF | STM4234 | STM3972 | P-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 regulator in ubiquinone biosynthesis; Is probably a protein kinase regulator of UbiI activity which is involved in aerobic coenzyme Q (ubiquinone) biosynthesis. | 0.776 |
| ubiA | ubiE | STM4234 | STM3970 | P-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. | S-adenosylmethionine; 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). | 0.957 |
| ubiA | ubiX | STM4234 | STM2356 | P-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. | 0.970 |
| ubiA | yigP | STM4234 | STM3971 | P-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 inner membrane protein; Required for ubiquinone (coenzyme Q) biosynthesis under aerobic conditions. Binds hydrophobic ubiquinone biosynthetic intermediates via its SCP2 domain and is essential for the stability of the Ubi complex (By similarity). May constitute a docking platform where Ubi enzymes assemble and access their SCP2-bound polyprenyl substrates (By similarity). Required for intracellular proliferation in macrophages. Belongs to the UbiJ family. | 0.719 |
| ubiE | aarF | STM3970 | STM3972 | S-adenosylmethionine; 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). | Putative regulator in ubiquinone biosynthesis; Is probably a protein kinase regulator of UbiI activity which is involved in aerobic coenzyme Q (ubiquinone) biosynthesis. | 0.940 |
| ubiE | ubiA | STM3970 | STM4234 | S-adenosylmethionine; 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). | P-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. | 0.957 |
| ubiE | ubiX | STM3970 | STM2356 | S-adenosylmethionine; 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). | 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. | 0.507 |
| ubiE | yigP | STM3970 | STM3971 | S-adenosylmethionine; 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). | Putative inner membrane protein; Required for ubiquinone (coenzyme Q) biosynthesis under aerobic conditions. Binds hydrophobic ubiquinone biosynthetic intermediates via its SCP2 domain and is essential for the stability of the Ubi complex (By similarity). May constitute a docking platform where Ubi enzymes assemble and access their SCP2-bound polyprenyl substrates (By similarity). Required for intracellular proliferation in macrophages. Belongs to the UbiJ family. | 0.986 |
| ubiX | aarF | STM2356 | STM3972 | 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. | Putative regulator in ubiquinone biosynthesis; Is probably a protein kinase regulator of UbiI activity which is involved in aerobic coenzyme Q (ubiquinone) biosynthesis. | 0.754 |
| ubiX | ubiA | STM2356 | STM4234 | 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. | P-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. | 0.970 |
| ubiX | ubiE | STM2356 | STM3970 | 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. | S-adenosylmethionine; 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). | 0.507 |