| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| CysE | ThrA | PTH_0294 | PTH_1601 | Serine acetyltransferase. | Homoserine dehydrogenase. | 0.827 |
| CysE | ThrB | PTH_0294 | PTH_1600 | Serine acetyltransferase. | Homoserine kinase; Catalyzes the ATP-dependent phosphorylation of L-homoserine to L-homoserine phosphate; Belongs to the GHMP kinase family. Homoserine kinase subfamily. | 0.856 |
| IlvE | LysC-2 | PTH_0525 | PTH_1599 | Branched-chain amino acid aminotransferase/4-amino-4-deoxychorismate lyase; Acts on leucine, isoleucine and valine. Belongs to the class-IV pyridoxal-phosphate-dependent aminotransferase family. | Aspartokinases; Belongs to the aspartokinase family. | 0.422 |
| IlvE | ThrA | PTH_0525 | PTH_1601 | Branched-chain amino acid aminotransferase/4-amino-4-deoxychorismate lyase; Acts on leucine, isoleucine and valine. Belongs to the class-IV pyridoxal-phosphate-dependent aminotransferase family. | Homoserine dehydrogenase. | 0.883 |
| IlvE | ThrB | PTH_0525 | PTH_1600 | Branched-chain amino acid aminotransferase/4-amino-4-deoxychorismate lyase; Acts on leucine, isoleucine and valine. Belongs to the class-IV pyridoxal-phosphate-dependent aminotransferase family. | Homoserine kinase; Catalyzes the ATP-dependent phosphorylation of L-homoserine to L-homoserine phosphate; Belongs to the GHMP kinase family. Homoserine kinase subfamily. | 0.852 |
| IlvE | ThrC | PTH_0525 | PTH_2670 | Branched-chain amino acid aminotransferase/4-amino-4-deoxychorismate lyase; Acts on leucine, isoleucine and valine. Belongs to the class-IV pyridoxal-phosphate-dependent aminotransferase family. | Threonine synthase. | 0.418 |
| LysC-2 | IlvE | PTH_1599 | PTH_0525 | Aspartokinases; Belongs to the aspartokinase family. | Branched-chain amino acid aminotransferase/4-amino-4-deoxychorismate lyase; Acts on leucine, isoleucine and valine. Belongs to the class-IV pyridoxal-phosphate-dependent aminotransferase family. | 0.422 |
| LysC-2 | MET2 | PTH_1599 | PTH_0250 | Aspartokinases; Belongs to the aspartokinase family. | Homoserine acetyltransferase; Transfers an acetyl group from acetyl-CoA to L-homoserine, forming acetyl-L-homoserine. | 0.908 |
| LysC-2 | PheB | PTH_1599 | PTH_1602 | Aspartokinases; Belongs to the aspartokinase family. | ACT domain-containing protein; Belongs to the UPF0735 family. | 0.559 |
| LysC-2 | ThrA | PTH_1599 | PTH_1601 | Aspartokinases; Belongs to the aspartokinase family. | Homoserine dehydrogenase. | 0.987 |
| LysC-2 | ThrB | PTH_1599 | PTH_1600 | Aspartokinases; Belongs to the aspartokinase family. | Homoserine kinase; Catalyzes the ATP-dependent phosphorylation of L-homoserine to L-homoserine phosphate; Belongs to the GHMP kinase family. Homoserine kinase subfamily. | 0.866 |
| LysC-2 | ThrC | PTH_1599 | PTH_2670 | Aspartokinases; Belongs to the aspartokinase family. | Threonine synthase. | 0.703 |
| MET17 | MET2 | PTH_0253 | PTH_0250 | O-acetylhomoserine sulfhydrylase. | Homoserine acetyltransferase; Transfers an acetyl group from acetyl-CoA to L-homoserine, forming acetyl-L-homoserine. | 0.994 |
| MET17 | SAM1 | PTH_0253 | PTH_1729 | O-acetylhomoserine sulfhydrylase. | S-adenosylhomocysteine hydrolase; May play a key role in the regulation of the intracellular concentration of adenosylhomocysteine. | 0.915 |
| MET17 | ThrA | PTH_0253 | PTH_1601 | O-acetylhomoserine sulfhydrylase. | Homoserine dehydrogenase. | 0.885 |
| MET17 | ThrB | PTH_0253 | PTH_1600 | O-acetylhomoserine sulfhydrylase. | Homoserine kinase; Catalyzes the ATP-dependent phosphorylation of L-homoserine to L-homoserine phosphate; Belongs to the GHMP kinase family. Homoserine kinase subfamily. | 0.814 |
| MET2 | LysC-2 | PTH_0250 | PTH_1599 | Homoserine acetyltransferase; Transfers an acetyl group from acetyl-CoA to L-homoserine, forming acetyl-L-homoserine. | Aspartokinases; Belongs to the aspartokinase family. | 0.908 |
| MET2 | MET17 | PTH_0250 | PTH_0253 | Homoserine acetyltransferase; Transfers an acetyl group from acetyl-CoA to L-homoserine, forming acetyl-L-homoserine. | O-acetylhomoserine sulfhydrylase. | 0.994 |
| MET2 | ThrA | PTH_0250 | PTH_1601 | Homoserine acetyltransferase; Transfers an acetyl group from acetyl-CoA to L-homoserine, forming acetyl-L-homoserine. | Homoserine dehydrogenase. | 0.975 |
| MET2 | ThrB | PTH_0250 | PTH_1600 | Homoserine acetyltransferase; Transfers an acetyl group from acetyl-CoA to L-homoserine, forming acetyl-L-homoserine. | Homoserine kinase; Catalyzes the ATP-dependent phosphorylation of L-homoserine to L-homoserine phosphate; Belongs to the GHMP kinase family. Homoserine kinase subfamily. | 0.911 |