| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| apt | hisF | SBG_0429 | SBG_1904 | Adenine phosphoribosyltransferase; Catalyzes a salvage reaction resulting in the formation of AMP, that is energically less costly than de novo synthesis. | Cyclase HisF; Catalyzes the hydrolysis of the adenine ring of phosphoribosyl-AMP; Belongs to the PRA-CH family. | 0.821 |
| apt | hisH | SBG_0429 | SBG_1902 | Adenine phosphoribosyltransferase; Catalyzes a salvage reaction resulting in the formation of AMP, that is energically less costly than de novo synthesis. | Amidotransferase. | 0.803 |
| apt | purH | SBG_0429 | SBG_3650 | Adenine phosphoribosyltransferase; Catalyzes a salvage reaction resulting in the formation of AMP, that is energically less costly than de novo synthesis. | Bifunctional purine biosynthesis protein PurH; Phosphoribosylaminoimidazolecarboxamide formyltransferase and IMP cyclohydrolase (bifunctional enzyme); Belongs to the PurH family. | 0.955 |
| hisA | hisB | SBG_1903 | SBG_1901 | Phosphoribosylformimino-5-aminoimidazole carboxamide ribotide isomerase. | Imidazoleglycerol-phosphate dehydratase; histidinol phosphatase; Belongs to the imidazoleglycerol-phosphate dehydratase family. | 0.999 |
| hisA | hisC | SBG_1903 | SBG_1900 | Phosphoribosylformimino-5-aminoimidazole carboxamide ribotide isomerase. | Histidinol-phosphate aminotransferase (imidazole). | 0.996 |
| hisA | hisD | SBG_1903 | SBG_1899 | Phosphoribosylformimino-5-aminoimidazole carboxamide ribotide isomerase. | Histidinol dehydrogenase; Catalyzes the sequential NAD-dependent oxidations of L- histidinol to L-histidinaldehyde and then to L-histidine. | 0.997 |
| hisA | hisF | SBG_1903 | SBG_1904 | Phosphoribosylformimino-5-aminoimidazole carboxamide ribotide isomerase. | Cyclase HisF; Catalyzes the hydrolysis of the adenine ring of phosphoribosyl-AMP; Belongs to the PRA-CH family. | 0.999 |
| hisA | hisG | SBG_1903 | SBG_1898 | Phosphoribosylformimino-5-aminoimidazole carboxamide ribotide isomerase. | ATP phosphoribosyltransferase; Catalyzes the condensation of ATP and 5-phosphoribose 1- diphosphate to form N'-(5'-phosphoribosyl)-ATP (PR-ATP). Has a crucial role in the pathway because the rate of histidine biosynthesis seems to be controlled primarily by regulation of HisG enzymatic activity. | 0.994 |
| hisA | hisH | SBG_1903 | SBG_1902 | Phosphoribosylformimino-5-aminoimidazole carboxamide ribotide isomerase. | Amidotransferase. | 0.999 |
| hisA | hisI | SBG_1903 | SBG_1905 | Phosphoribosylformimino-5-aminoimidazole carboxamide ribotide isomerase. | phosphoribosyl-AMP cyclohydrolase / phosphoribosyl-ATP pyrophosphohydrolase. | 0.999 |
| hisA | purH | SBG_1903 | SBG_3650 | Phosphoribosylformimino-5-aminoimidazole carboxamide ribotide isomerase. | Bifunctional purine biosynthesis protein PurH; Phosphoribosylaminoimidazolecarboxamide formyltransferase and IMP cyclohydrolase (bifunctional enzyme); Belongs to the PurH family. | 0.554 |
| hisA | trpC | SBG_1903 | SBG_1587 | Phosphoribosylformimino-5-aminoimidazole carboxamide ribotide isomerase. | Indole-3-glycerol phosphate synthase; Belongs to the TrpC family. | 0.806 |
| hisB | hisA | SBG_1901 | SBG_1903 | Imidazoleglycerol-phosphate dehydratase; histidinol phosphatase; Belongs to the imidazoleglycerol-phosphate dehydratase family. | Phosphoribosylformimino-5-aminoimidazole carboxamide ribotide isomerase. | 0.999 |
| hisB | hisC | SBG_1901 | SBG_1900 | Imidazoleglycerol-phosphate dehydratase; histidinol phosphatase; Belongs to the imidazoleglycerol-phosphate dehydratase family. | Histidinol-phosphate aminotransferase (imidazole). | 0.999 |
| hisB | hisD | SBG_1901 | SBG_1899 | Imidazoleglycerol-phosphate dehydratase; histidinol phosphatase; Belongs to the imidazoleglycerol-phosphate dehydratase family. | Histidinol dehydrogenase; Catalyzes the sequential NAD-dependent oxidations of L- histidinol to L-histidinaldehyde and then to L-histidine. | 0.999 |
| hisB | hisF | SBG_1901 | SBG_1904 | Imidazoleglycerol-phosphate dehydratase; histidinol phosphatase; Belongs to the imidazoleglycerol-phosphate dehydratase family. | Cyclase HisF; Catalyzes the hydrolysis of the adenine ring of phosphoribosyl-AMP; Belongs to the PRA-CH family. | 0.999 |
| hisB | hisG | SBG_1901 | SBG_1898 | Imidazoleglycerol-phosphate dehydratase; histidinol phosphatase; Belongs to the imidazoleglycerol-phosphate dehydratase family. | ATP phosphoribosyltransferase; Catalyzes the condensation of ATP and 5-phosphoribose 1- diphosphate to form N'-(5'-phosphoribosyl)-ATP (PR-ATP). Has a crucial role in the pathway because the rate of histidine biosynthesis seems to be controlled primarily by regulation of HisG enzymatic activity. | 0.998 |
| hisB | hisH | SBG_1901 | SBG_1902 | Imidazoleglycerol-phosphate dehydratase; histidinol phosphatase; Belongs to the imidazoleglycerol-phosphate dehydratase family. | Amidotransferase. | 0.999 |
| hisB | hisI | SBG_1901 | SBG_1905 | Imidazoleglycerol-phosphate dehydratase; histidinol phosphatase; Belongs to the imidazoleglycerol-phosphate dehydratase family. | phosphoribosyl-AMP cyclohydrolase / phosphoribosyl-ATP pyrophosphohydrolase. | 0.999 |
| hisB | purH | SBG_1901 | SBG_3650 | Imidazoleglycerol-phosphate dehydratase; histidinol phosphatase; Belongs to the imidazoleglycerol-phosphate dehydratase family. | Bifunctional purine biosynthesis protein PurH; Phosphoribosylaminoimidazolecarboxamide formyltransferase and IMP cyclohydrolase (bifunctional enzyme); Belongs to the PurH family. | 0.418 |