| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| AspS | CysS | PTH_1049 | PTH_0295 | aspartyl-tRNA synthetase; Aspartyl-tRNA synthetase with relaxed tRNA specificity since it is able to aspartylate not only its cognate tRNA(Asp) but also tRNA(Asn). Reaction proceeds in two steps: L-aspartate is first activated by ATP to form Asp-AMP and then transferred to the acceptor end of tRNA(Asp/Asn); Belongs to the class-II aminoacyl-tRNA synthetase family. Type 1 subfamily. | cysteinyl-tRNA synthetase; Belongs to the class-I aminoacyl-tRNA synthetase family. | 0.467 |
| AspS | HisS | PTH_1049 | PTH_1048 | aspartyl-tRNA synthetase; Aspartyl-tRNA synthetase with relaxed tRNA specificity since it is able to aspartylate not only its cognate tRNA(Asp) but also tRNA(Asn). Reaction proceeds in two steps: L-aspartate is first activated by ATP to form Asp-AMP and then transferred to the acceptor end of tRNA(Asp/Asn); Belongs to the class-II aminoacyl-tRNA synthetase family. Type 1 subfamily. | histidyl-tRNA synthetase. | 0.975 |
| AspS | LysU | PTH_1049 | PTH_0263 | aspartyl-tRNA synthetase; Aspartyl-tRNA synthetase with relaxed tRNA specificity since it is able to aspartylate not only its cognate tRNA(Asp) but also tRNA(Asn). Reaction proceeds in two steps: L-aspartate is first activated by ATP to form Asp-AMP and then transferred to the acceptor end of tRNA(Asp/Asn); Belongs to the class-II aminoacyl-tRNA synthetase family. Type 1 subfamily. | lysyl-tRNA synthetase; Class II; Belongs to the class-II aminoacyl-tRNA synthetase family. | 0.610 |
| AspS | ThrS | PTH_1049 | PTH_1956 | aspartyl-tRNA synthetase; Aspartyl-tRNA synthetase with relaxed tRNA specificity since it is able to aspartylate not only its cognate tRNA(Asp) but also tRNA(Asn). Reaction proceeds in two steps: L-aspartate is first activated by ATP to form Asp-AMP and then transferred to the acceptor end of tRNA(Asp/Asn); Belongs to the class-II aminoacyl-tRNA synthetase family. Type 1 subfamily. | threonyl-tRNA synthetase; Catalyzes the attachment of threonine to tRNA(Thr) in a two- step reaction: L-threonine is first activated by ATP to form Thr-AMP and then transferred to the acceptor end of tRNA(Thr). | 0.600 |
| AspS | ValS | PTH_1049 | PTH_0812 | aspartyl-tRNA synthetase; Aspartyl-tRNA synthetase with relaxed tRNA specificity since it is able to aspartylate not only its cognate tRNA(Asp) but also tRNA(Asn). Reaction proceeds in two steps: L-aspartate is first activated by ATP to form Asp-AMP and then transferred to the acceptor end of tRNA(Asp/Asn); Belongs to the class-II aminoacyl-tRNA synthetase family. Type 1 subfamily. | valyl-tRNA synthetase; Catalyzes the attachment of valine to tRNA(Val). As ValRS can inadvertently accommodate and process structurally similar amino acids such as threonine, to avoid such errors, it has a 'posttransfer' editing activity that hydrolyzes mischarged Thr-tRNA(Val) in a tRNA- dependent manner; Belongs to the class-I aminoacyl-tRNA synthetase family. ValS type 1 subfamily. | 0.841 |
| AspS | guaA | PTH_1049 | PTH_2551 | aspartyl-tRNA synthetase; Aspartyl-tRNA synthetase with relaxed tRNA specificity since it is able to aspartylate not only its cognate tRNA(Asp) but also tRNA(Asn). Reaction proceeds in two steps: L-aspartate is first activated by ATP to form Asp-AMP and then transferred to the acceptor end of tRNA(Asp/Asn); Belongs to the class-II aminoacyl-tRNA synthetase family. Type 1 subfamily. | Hypothetical GMP synthase; Catalyzes the synthesis of GMP from XMP. | 0.854 |
| CysS | AspS | PTH_0295 | PTH_1049 | cysteinyl-tRNA synthetase; Belongs to the class-I aminoacyl-tRNA synthetase family. | aspartyl-tRNA synthetase; Aspartyl-tRNA synthetase with relaxed tRNA specificity since it is able to aspartylate not only its cognate tRNA(Asp) but also tRNA(Asn). Reaction proceeds in two steps: L-aspartate is first activated by ATP to form Asp-AMP and then transferred to the acceptor end of tRNA(Asp/Asn); Belongs to the class-II aminoacyl-tRNA synthetase family. Type 1 subfamily. | 0.467 |
| CysS | HisS | PTH_0295 | PTH_1048 | cysteinyl-tRNA synthetase; Belongs to the class-I aminoacyl-tRNA synthetase family. | histidyl-tRNA synthetase. | 0.753 |
| CysS | LysU | PTH_0295 | PTH_0263 | cysteinyl-tRNA synthetase; Belongs to the class-I aminoacyl-tRNA synthetase family. | lysyl-tRNA synthetase; Class II; Belongs to the class-II aminoacyl-tRNA synthetase family. | 0.539 |
| CysS | SelB | PTH_0295 | PTH_1427 | cysteinyl-tRNA synthetase; Belongs to the class-I aminoacyl-tRNA synthetase family. | Selenocysteine-specific translation elongation factor. | 0.744 |
| CysS | ThrS | PTH_0295 | PTH_1956 | cysteinyl-tRNA synthetase; Belongs to the class-I aminoacyl-tRNA synthetase family. | threonyl-tRNA synthetase; Catalyzes the attachment of threonine to tRNA(Thr) in a two- step reaction: L-threonine is first activated by ATP to form Thr-AMP and then transferred to the acceptor end of tRNA(Thr). | 0.660 |
| CysS | ValS | PTH_0295 | PTH_0812 | cysteinyl-tRNA synthetase; Belongs to the class-I aminoacyl-tRNA synthetase family. | valyl-tRNA synthetase; Catalyzes the attachment of valine to tRNA(Val). As ValRS can inadvertently accommodate and process structurally similar amino acids such as threonine, to avoid such errors, it has a 'posttransfer' editing activity that hydrolyzes mischarged Thr-tRNA(Val) in a tRNA- dependent manner; Belongs to the class-I aminoacyl-tRNA synthetase family. ValS type 1 subfamily. | 0.576 |
| CysS | guaA | PTH_0295 | PTH_2551 | cysteinyl-tRNA synthetase; Belongs to the class-I aminoacyl-tRNA synthetase family. | Hypothetical GMP synthase; Catalyzes the synthesis of GMP from XMP. | 0.683 |
| Fmt | HisS | PTH_1790 | PTH_1048 | methionyl-tRNA formyltransferase; Attaches a formyl group to the free amino group of methionyl- tRNA(fMet). The formyl group appears to play a dual role in the initiator identity of N-formylmethionyl-tRNA by promoting its recognition by IF2 and preventing the misappropriation of this tRNA by the elongation apparatus; Belongs to the Fmt family. | histidyl-tRNA synthetase. | 0.801 |
| Fmt | guaA | PTH_1790 | PTH_2551 | methionyl-tRNA formyltransferase; Attaches a formyl group to the free amino group of methionyl- tRNA(fMet). The formyl group appears to play a dual role in the initiator identity of N-formylmethionyl-tRNA by promoting its recognition by IF2 and preventing the misappropriation of this tRNA by the elongation apparatus; Belongs to the Fmt family. | Hypothetical GMP synthase; Catalyzes the synthesis of GMP from XMP. | 0.569 |
| HisG | HisS | PTH_0960 | PTH_1048 | 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. Belongs to the ATP phosphoribosyltransferase family. Long subfamily. | histidyl-tRNA synthetase. | 0.905 |
| HisS | AspS | PTH_1048 | PTH_1049 | histidyl-tRNA synthetase. | aspartyl-tRNA synthetase; Aspartyl-tRNA synthetase with relaxed tRNA specificity since it is able to aspartylate not only its cognate tRNA(Asp) but also tRNA(Asn). Reaction proceeds in two steps: L-aspartate is first activated by ATP to form Asp-AMP and then transferred to the acceptor end of tRNA(Asp/Asn); Belongs to the class-II aminoacyl-tRNA synthetase family. Type 1 subfamily. | 0.975 |
| HisS | CysS | PTH_1048 | PTH_0295 | histidyl-tRNA synthetase. | cysteinyl-tRNA synthetase; Belongs to the class-I aminoacyl-tRNA synthetase family. | 0.753 |
| HisS | Fmt | PTH_1048 | PTH_1790 | histidyl-tRNA synthetase. | methionyl-tRNA formyltransferase; Attaches a formyl group to the free amino group of methionyl- tRNA(fMet). The formyl group appears to play a dual role in the initiator identity of N-formylmethionyl-tRNA by promoting its recognition by IF2 and preventing the misappropriation of this tRNA by the elongation apparatus; Belongs to the Fmt family. | 0.801 |
| HisS | HisG | PTH_1048 | PTH_0960 | histidyl-tRNA synthetase. | 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. Belongs to the ATP phosphoribosyltransferase family. Long subfamily. | 0.905 |