| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| nicA | nicB | PP_3947 | PP_3948 | Nicotinate dehydrogenase subunit A; Subunit of the two-component enzyme NicAB that mediates nicotinate hydroxylation, the first step in the aerobic nicotinate degradation pathway. Mediates conversion of nicotinate into 6- hydroxynicotinate (6HNA). | Nicotinate dehydrogenase subunit B; Subunit of the two-component enzyme NicAB that mediates nicotinate hydroxylation, the first step in the aerobic nicotinate degradation pathway. Mediates conversion of nicotinate into 6- hydroxynicotinate (6HNA). | 0.999 |
| nicA | nicC | PP_3947 | PP_3944 | Nicotinate dehydrogenase subunit A; Subunit of the two-component enzyme NicAB that mediates nicotinate hydroxylation, the first step in the aerobic nicotinate degradation pathway. Mediates conversion of nicotinate into 6- hydroxynicotinate (6HNA). | 6-hydroxynicotinate 3-monooxygenase; Flavin-dependent monooxygenase (FMO) that catalyzes the decarboxylative hydroxylation of 6-hydroxynicotinic acid (6-HNA) to 2,5-dihydroxypyridine (2,5-DHP) with concomitant oxidation of NADH, a step in the aerobic nicotinate degradation pathway. Belongs to the 6-hydroxynicotinate 3-monooxygenase family. | 0.989 |
| nicA | nicD | PP_3947 | PP_3943 | Nicotinate dehydrogenase subunit A; Subunit of the two-component enzyme NicAB that mediates nicotinate hydroxylation, the first step in the aerobic nicotinate degradation pathway. Mediates conversion of nicotinate into 6- hydroxynicotinate (6HNA). | N-formylmaleamate deformylase; Deformylase that catalyzes the conversion of N-formylmaleamic acid to maleamate in the aerobic nicotinate degradation pathway. | 0.714 |
| nicA | nicE | PP_3947 | PP_3942 | Nicotinate dehydrogenase subunit A; Subunit of the two-component enzyme NicAB that mediates nicotinate hydroxylation, the first step in the aerobic nicotinate degradation pathway. Mediates conversion of nicotinate into 6- hydroxynicotinate (6HNA). | Maleate isomerase; Catalyzes cis-trans isomerization of the C2-C3 double bond in maleate to yield fumarate in the aerobic nicotinate degradation pathway. | 0.657 |
| nicA | nicF | PP_3947 | PP_3941 | Nicotinate dehydrogenase subunit A; Subunit of the two-component enzyme NicAB that mediates nicotinate hydroxylation, the first step in the aerobic nicotinate degradation pathway. Mediates conversion of nicotinate into 6- hydroxynicotinate (6HNA). | Maleamate amidohydrolase; Maleamate amidase that transforms maleamate into maleate and ammonia in the aerobic nicotinate degradation pathway. | 0.668 |
| nicA | nicP-II | PP_3947 | PP_3939 | Nicotinate dehydrogenase subunit A; Subunit of the two-component enzyme NicAB that mediates nicotinate hydroxylation, the first step in the aerobic nicotinate degradation pathway. Mediates conversion of nicotinate into 6- hydroxynicotinate (6HNA). | Porin-like protein; Probable transporter, possibly involved in the aerobic nicotinate degradation pathway; Belongs to the outer membrane porin (Opr) (TC 1.B.25) family. | 0.742 |
| nicA | nicT | PP_3947 | PP_3940 | Nicotinate dehydrogenase subunit A; Subunit of the two-component enzyme NicAB that mediates nicotinate hydroxylation, the first step in the aerobic nicotinate degradation pathway. Mediates conversion of nicotinate into 6- hydroxynicotinate (6HNA). | Putative metabolite transport protein NicT; Probable transporter, possibly involved in the aerobic nicotinate degradation pathway. | 0.864 |
| nicA | nicX | PP_3947 | PP_3945 | Nicotinate dehydrogenase subunit A; Subunit of the two-component enzyme NicAB that mediates nicotinate hydroxylation, the first step in the aerobic nicotinate degradation pathway. Mediates conversion of nicotinate into 6- hydroxynicotinate (6HNA). | 2,5-dihydroxypyridine 5,6-dioxygenase; Catalyzes the dioxygenolytic ring cleavage of 2,5- dihydroxypyridine between carbons 5 and 6 generating N-formylmaleamate in the aerobic nicotinate degradation pathway. | 0.766 |
| nicB | nicA | PP_3948 | PP_3947 | Nicotinate dehydrogenase subunit B; Subunit of the two-component enzyme NicAB that mediates nicotinate hydroxylation, the first step in the aerobic nicotinate degradation pathway. Mediates conversion of nicotinate into 6- hydroxynicotinate (6HNA). | Nicotinate dehydrogenase subunit A; Subunit of the two-component enzyme NicAB that mediates nicotinate hydroxylation, the first step in the aerobic nicotinate degradation pathway. Mediates conversion of nicotinate into 6- hydroxynicotinate (6HNA). | 0.999 |
| nicB | nicC | PP_3948 | PP_3944 | Nicotinate dehydrogenase subunit B; Subunit of the two-component enzyme NicAB that mediates nicotinate hydroxylation, the first step in the aerobic nicotinate degradation pathway. Mediates conversion of nicotinate into 6- hydroxynicotinate (6HNA). | 6-hydroxynicotinate 3-monooxygenase; Flavin-dependent monooxygenase (FMO) that catalyzes the decarboxylative hydroxylation of 6-hydroxynicotinic acid (6-HNA) to 2,5-dihydroxypyridine (2,5-DHP) with concomitant oxidation of NADH, a step in the aerobic nicotinate degradation pathway. Belongs to the 6-hydroxynicotinate 3-monooxygenase family. | 0.989 |
| nicB | nicD | PP_3948 | PP_3943 | Nicotinate dehydrogenase subunit B; Subunit of the two-component enzyme NicAB that mediates nicotinate hydroxylation, the first step in the aerobic nicotinate degradation pathway. Mediates conversion of nicotinate into 6- hydroxynicotinate (6HNA). | N-formylmaleamate deformylase; Deformylase that catalyzes the conversion of N-formylmaleamic acid to maleamate in the aerobic nicotinate degradation pathway. | 0.842 |
| nicB | nicE | PP_3948 | PP_3942 | Nicotinate dehydrogenase subunit B; Subunit of the two-component enzyme NicAB that mediates nicotinate hydroxylation, the first step in the aerobic nicotinate degradation pathway. Mediates conversion of nicotinate into 6- hydroxynicotinate (6HNA). | Maleate isomerase; Catalyzes cis-trans isomerization of the C2-C3 double bond in maleate to yield fumarate in the aerobic nicotinate degradation pathway. | 0.885 |
| nicB | nicF | PP_3948 | PP_3941 | Nicotinate dehydrogenase subunit B; Subunit of the two-component enzyme NicAB that mediates nicotinate hydroxylation, the first step in the aerobic nicotinate degradation pathway. Mediates conversion of nicotinate into 6- hydroxynicotinate (6HNA). | Maleamate amidohydrolase; Maleamate amidase that transforms maleamate into maleate and ammonia in the aerobic nicotinate degradation pathway. | 0.791 |
| nicB | nicP-II | PP_3948 | PP_3939 | Nicotinate dehydrogenase subunit B; Subunit of the two-component enzyme NicAB that mediates nicotinate hydroxylation, the first step in the aerobic nicotinate degradation pathway. Mediates conversion of nicotinate into 6- hydroxynicotinate (6HNA). | Porin-like protein; Probable transporter, possibly involved in the aerobic nicotinate degradation pathway; Belongs to the outer membrane porin (Opr) (TC 1.B.25) family. | 0.819 |
| nicB | nicR | PP_3948 | PP_3946 | Nicotinate dehydrogenase subunit B; Subunit of the two-component enzyme NicAB that mediates nicotinate hydroxylation, the first step in the aerobic nicotinate degradation pathway. Mediates conversion of nicotinate into 6- hydroxynicotinate (6HNA). | HTH-type transcriptional repressor NicR; Transcriptional repressor for the nicCDEFTP and nicXR operons, encoding the lower aerobic nicotinate degradation pathway. Acts under non-induced conditions: repression of the nicCDEFTP and nicXR operons becomes alleviated in presence of 6-hydroxynicotinate (6HNA). | 0.433 |
| nicB | nicS | PP_3948 | PP_3949 | Nicotinate dehydrogenase subunit B; Subunit of the two-component enzyme NicAB that mediates nicotinate hydroxylation, the first step in the aerobic nicotinate degradation pathway. Mediates conversion of nicotinate into 6- hydroxynicotinate (6HNA). | HTH-type transcriptional repressor NicS; Transcriptional repressor for the nicAB operon, encoding the upper aerobic nicotinate degradation pathway. Acts under non-induced conditions: repression of the nicAB operon becomes alleviated in presence of either nicotinate or 6-hydroxynicotinate (6HNA). | 0.838 |
| nicB | nicT | PP_3948 | PP_3940 | Nicotinate dehydrogenase subunit B; Subunit of the two-component enzyme NicAB that mediates nicotinate hydroxylation, the first step in the aerobic nicotinate degradation pathway. Mediates conversion of nicotinate into 6- hydroxynicotinate (6HNA). | Putative metabolite transport protein NicT; Probable transporter, possibly involved in the aerobic nicotinate degradation pathway. | 0.861 |
| nicB | nicX | PP_3948 | PP_3945 | Nicotinate dehydrogenase subunit B; Subunit of the two-component enzyme NicAB that mediates nicotinate hydroxylation, the first step in the aerobic nicotinate degradation pathway. Mediates conversion of nicotinate into 6- hydroxynicotinate (6HNA). | 2,5-dihydroxypyridine 5,6-dioxygenase; Catalyzes the dioxygenolytic ring cleavage of 2,5- dihydroxypyridine between carbons 5 and 6 generating N-formylmaleamate in the aerobic nicotinate degradation pathway. | 0.900 |
| nicC | nicA | PP_3944 | PP_3947 | 6-hydroxynicotinate 3-monooxygenase; Flavin-dependent monooxygenase (FMO) that catalyzes the decarboxylative hydroxylation of 6-hydroxynicotinic acid (6-HNA) to 2,5-dihydroxypyridine (2,5-DHP) with concomitant oxidation of NADH, a step in the aerobic nicotinate degradation pathway. Belongs to the 6-hydroxynicotinate 3-monooxygenase family. | Nicotinate dehydrogenase subunit A; Subunit of the two-component enzyme NicAB that mediates nicotinate hydroxylation, the first step in the aerobic nicotinate degradation pathway. Mediates conversion of nicotinate into 6- hydroxynicotinate (6HNA). | 0.989 |
| nicC | nicB | PP_3944 | PP_3948 | 6-hydroxynicotinate 3-monooxygenase; Flavin-dependent monooxygenase (FMO) that catalyzes the decarboxylative hydroxylation of 6-hydroxynicotinic acid (6-HNA) to 2,5-dihydroxypyridine (2,5-DHP) with concomitant oxidation of NADH, a step in the aerobic nicotinate degradation pathway. Belongs to the 6-hydroxynicotinate 3-monooxygenase family. | Nicotinate dehydrogenase subunit B; Subunit of the two-component enzyme NicAB that mediates nicotinate hydroxylation, the first step in the aerobic nicotinate degradation pathway. Mediates conversion of nicotinate into 6- hydroxynicotinate (6HNA). | 0.989 |