| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| Atu1209 | pcaQ | Atu1209 | Atu4543 | Transcriptional regulator, LysR family; Belongs to the LysR transcriptional regulatory family. | Transcriptional regulator, LysR family; Activates transcription of the pcaDCHGB operon for the catabolism of the phenolic compound protocatechuate. | 0.618 |
| Atu1765 | pcaQ | Atu1765 | Atu4543 | Transcriptional regulator, LysR family; Belongs to the LysR transcriptional regulatory family. | Transcriptional regulator, LysR family; Activates transcription of the pcaDCHGB operon for the catabolism of the phenolic compound protocatechuate. | 0.623 |
| pcaB | pcaC-2 | Atu4538 | Atu4541 | 3-carboxy-cis,cis-muconate cycloisomerase. | Carboxymuconolactone decarboxylase. | 0.996 |
| pcaB | pcaD | Atu4538 | Atu4542 | 3-carboxy-cis,cis-muconate cycloisomerase. | Beta-ketoadipate enol-lactone hydrolase. | 0.940 |
| pcaB | pcaG | Atu4538 | Atu4539 | 3-carboxy-cis,cis-muconate cycloisomerase. | Protocatechuate 3,4-dioxygenase alpha chain. | 0.996 |
| pcaB | pcaH | Atu4538 | Atu4540 | 3-carboxy-cis,cis-muconate cycloisomerase. | Protocatechuate 3,4-dioxygenase beta chain. | 0.996 |
| pcaB | pcaQ | Atu4538 | Atu4543 | 3-carboxy-cis,cis-muconate cycloisomerase. | Transcriptional regulator, LysR family; Activates transcription of the pcaDCHGB operon for the catabolism of the phenolic compound protocatechuate. | 0.828 |
| pcaB | pobA | Atu4538 | Atu4544 | 3-carboxy-cis,cis-muconate cycloisomerase. | 4-hydroxybenzoate hydroxylase. | 0.799 |
| pcaC-2 | pcaB | Atu4541 | Atu4538 | Carboxymuconolactone decarboxylase. | 3-carboxy-cis,cis-muconate cycloisomerase. | 0.996 |
| pcaC-2 | pcaD | Atu4541 | Atu4542 | Carboxymuconolactone decarboxylase. | Beta-ketoadipate enol-lactone hydrolase. | 0.999 |
| pcaC-2 | pcaG | Atu4541 | Atu4539 | Carboxymuconolactone decarboxylase. | Protocatechuate 3,4-dioxygenase alpha chain. | 0.985 |
| pcaC-2 | pcaH | Atu4541 | Atu4540 | Carboxymuconolactone decarboxylase. | Protocatechuate 3,4-dioxygenase beta chain. | 0.985 |
| pcaC-2 | pcaQ | Atu4541 | Atu4543 | Carboxymuconolactone decarboxylase. | Transcriptional regulator, LysR family; Activates transcription of the pcaDCHGB operon for the catabolism of the phenolic compound protocatechuate. | 0.899 |
| pcaC-2 | pcaR | Atu4541 | Atu4546 | Carboxymuconolactone decarboxylase. | Transcriptional regulator, IclR family. | 0.715 |
| pcaC-2 | pobA | Atu4541 | Atu4544 | Carboxymuconolactone decarboxylase. | 4-hydroxybenzoate hydroxylase. | 0.916 |
| pcaC-2 | pobR | Atu4541 | Atu4545 | Carboxymuconolactone decarboxylase. | Transcriptional regulator, AraC family. | 0.635 |
| pcaD | pcaB | Atu4542 | Atu4538 | Beta-ketoadipate enol-lactone hydrolase. | 3-carboxy-cis,cis-muconate cycloisomerase. | 0.940 |
| pcaD | pcaC-2 | Atu4542 | Atu4541 | Beta-ketoadipate enol-lactone hydrolase. | Carboxymuconolactone decarboxylase. | 0.999 |
| pcaD | pcaG | Atu4542 | Atu4539 | Beta-ketoadipate enol-lactone hydrolase. | Protocatechuate 3,4-dioxygenase alpha chain. | 0.974 |
| pcaD | pcaH | Atu4542 | Atu4540 | Beta-ketoadipate enol-lactone hydrolase. | Protocatechuate 3,4-dioxygenase beta chain. | 0.975 |