| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| hpaA | hpaG1 | plu0980 | plu0990 | Regulator of the 4HPA-hydroxylase operon. | HpaG1 protein; Similar to N-terminal region of 4-hydroxyphenylacetate degradation bifunctional isomerase/decarboxylase HpaG [Includes: 2-hydroxyhepta-2,4-diene-1,7-dioate isomerase (HHDD isomerase); 5-carboxymethyl-2-oxo-hex-3-ene-1,7-dioate decarboxylase (OPET decarboxylase)]. | 0.682 |
| hpaA | hpaG2 | plu0980 | plu0989 | Regulator of the 4HPA-hydroxylase operon. | HpaG2 protein; Similar to C-terminal region of 4-hydroxyphenylacetate degradation bifunctional isomerase/decarboxylase HpaG [Includes: 2-hydroxyhepta-2,4-diene-1,7-dioate isomerase (HHDD isomerase); 5-carboxymethyl-2-oxo-hex-3-ene-1,7-dioate decarboxylase (OPET decarboxylase)]. | 0.675 |
| hpaA | hpaI | plu0980 | plu0982 | Regulator of the 4HPA-hydroxylase operon. | 2,4-dihydroxyhept-2-ene-1,7-dioic acid aldolase; Belongs to the HpcH/HpaI aldolase family. | 0.805 |
| hpaA | hpaX | plu0980 | plu0981 | Regulator of the 4HPA-hydroxylase operon. | 4-hydroxyphenylacetate permease. | 0.890 |
| hpaA | hpcB | plu0980 | plu0987 | Regulator of the 4HPA-hydroxylase operon. | 3,4-dihydroxyphenylacetate 2,3-dioxygenase. | 0.938 |
| hpaA | hpcD | plu0980 | plu0986 | Regulator of the 4HPA-hydroxylase operon. | 5-carboxymethyl-2-hydroxy-muconic acid isomerase. | 0.931 |
| hpaA | hpcG | plu0980 | plu0983 | Regulator of the 4HPA-hydroxylase operon. | 2-oxo-hepta-3-ene-1,7-dioic acid hydratase. | 0.792 |
| hpaA | hpcR | plu0980 | plu0991 | Regulator of the 4HPA-hydroxylase operon. | Homoprotocatechuate degradation operon regulator. | 0.768 |
| hpaA | hutC | plu0980 | plu3195 | Regulator of the 4HPA-hydroxylase operon. | Histidine utilization repressor protein. | 0.649 |
| hpaA | plu2244 | plu0980 | plu2244 | Regulator of the 4HPA-hydroxylase operon. | HTH araC/xylS-type domain-containing protein; Unnamed protein product; Highly similar to probable transcription regulator. | 0.618 |
| hpaG1 | hpaA | plu0990 | plu0980 | HpaG1 protein; Similar to N-terminal region of 4-hydroxyphenylacetate degradation bifunctional isomerase/decarboxylase HpaG [Includes: 2-hydroxyhepta-2,4-diene-1,7-dioate isomerase (HHDD isomerase); 5-carboxymethyl-2-oxo-hex-3-ene-1,7-dioate decarboxylase (OPET decarboxylase)]. | Regulator of the 4HPA-hydroxylase operon. | 0.682 |
| hpaG1 | hpaG2 | plu0990 | plu0989 | HpaG1 protein; Similar to N-terminal region of 4-hydroxyphenylacetate degradation bifunctional isomerase/decarboxylase HpaG [Includes: 2-hydroxyhepta-2,4-diene-1,7-dioate isomerase (HHDD isomerase); 5-carboxymethyl-2-oxo-hex-3-ene-1,7-dioate decarboxylase (OPET decarboxylase)]. | HpaG2 protein; Similar to C-terminal region of 4-hydroxyphenylacetate degradation bifunctional isomerase/decarboxylase HpaG [Includes: 2-hydroxyhepta-2,4-diene-1,7-dioate isomerase (HHDD isomerase); 5-carboxymethyl-2-oxo-hex-3-ene-1,7-dioate decarboxylase (OPET decarboxylase)]. | 0.982 |
| hpaG1 | hpaI | plu0990 | plu0982 | HpaG1 protein; Similar to N-terminal region of 4-hydroxyphenylacetate degradation bifunctional isomerase/decarboxylase HpaG [Includes: 2-hydroxyhepta-2,4-diene-1,7-dioate isomerase (HHDD isomerase); 5-carboxymethyl-2-oxo-hex-3-ene-1,7-dioate decarboxylase (OPET decarboxylase)]. | 2,4-dihydroxyhept-2-ene-1,7-dioic acid aldolase; Belongs to the HpcH/HpaI aldolase family. | 0.776 |
| hpaG1 | hpaX | plu0990 | plu0981 | HpaG1 protein; Similar to N-terminal region of 4-hydroxyphenylacetate degradation bifunctional isomerase/decarboxylase HpaG [Includes: 2-hydroxyhepta-2,4-diene-1,7-dioate isomerase (HHDD isomerase); 5-carboxymethyl-2-oxo-hex-3-ene-1,7-dioate decarboxylase (OPET decarboxylase)]. | 4-hydroxyphenylacetate permease. | 0.616 |
| hpaG1 | hpcB | plu0990 | plu0987 | HpaG1 protein; Similar to N-terminal region of 4-hydroxyphenylacetate degradation bifunctional isomerase/decarboxylase HpaG [Includes: 2-hydroxyhepta-2,4-diene-1,7-dioate isomerase (HHDD isomerase); 5-carboxymethyl-2-oxo-hex-3-ene-1,7-dioate decarboxylase (OPET decarboxylase)]. | 3,4-dihydroxyphenylacetate 2,3-dioxygenase. | 0.905 |
| hpaG1 | hpcD | plu0990 | plu0986 | HpaG1 protein; Similar to N-terminal region of 4-hydroxyphenylacetate degradation bifunctional isomerase/decarboxylase HpaG [Includes: 2-hydroxyhepta-2,4-diene-1,7-dioate isomerase (HHDD isomerase); 5-carboxymethyl-2-oxo-hex-3-ene-1,7-dioate decarboxylase (OPET decarboxylase)]. | 5-carboxymethyl-2-hydroxy-muconic acid isomerase. | 0.990 |
| hpaG1 | hpcG | plu0990 | plu0983 | HpaG1 protein; Similar to N-terminal region of 4-hydroxyphenylacetate degradation bifunctional isomerase/decarboxylase HpaG [Includes: 2-hydroxyhepta-2,4-diene-1,7-dioate isomerase (HHDD isomerase); 5-carboxymethyl-2-oxo-hex-3-ene-1,7-dioate decarboxylase (OPET decarboxylase)]. | 2-oxo-hepta-3-ene-1,7-dioic acid hydratase. | 0.976 |
| hpaG1 | hpcR | plu0990 | plu0991 | HpaG1 protein; Similar to N-terminal region of 4-hydroxyphenylacetate degradation bifunctional isomerase/decarboxylase HpaG [Includes: 2-hydroxyhepta-2,4-diene-1,7-dioate isomerase (HHDD isomerase); 5-carboxymethyl-2-oxo-hex-3-ene-1,7-dioate decarboxylase (OPET decarboxylase)]. | Homoprotocatechuate degradation operon regulator. | 0.548 |
| hpaG2 | hpaA | plu0989 | plu0980 | HpaG2 protein; Similar to C-terminal region of 4-hydroxyphenylacetate degradation bifunctional isomerase/decarboxylase HpaG [Includes: 2-hydroxyhepta-2,4-diene-1,7-dioate isomerase (HHDD isomerase); 5-carboxymethyl-2-oxo-hex-3-ene-1,7-dioate decarboxylase (OPET decarboxylase)]. | Regulator of the 4HPA-hydroxylase operon. | 0.675 |
| hpaG2 | hpaG1 | plu0989 | plu0990 | HpaG2 protein; Similar to C-terminal region of 4-hydroxyphenylacetate degradation bifunctional isomerase/decarboxylase HpaG [Includes: 2-hydroxyhepta-2,4-diene-1,7-dioate isomerase (HHDD isomerase); 5-carboxymethyl-2-oxo-hex-3-ene-1,7-dioate decarboxylase (OPET decarboxylase)]. | HpaG1 protein; Similar to N-terminal region of 4-hydroxyphenylacetate degradation bifunctional isomerase/decarboxylase HpaG [Includes: 2-hydroxyhepta-2,4-diene-1,7-dioate isomerase (HHDD isomerase); 5-carboxymethyl-2-oxo-hex-3-ene-1,7-dioate decarboxylase (OPET decarboxylase)]. | 0.982 |