| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| MCA2087 | MCA2522 | MCA2087 | MCA2522 | HAD-superfamily subfamily IB hydrolase, TIGR01490; Identified by match to protein family HMM PF00702; match to protein family HMM TIGR01488; match to protein family HMM TIGR01490. | DnaA domain protein; Identified by similarity to OMNI:NTL03PA00948; Belongs to the DnaA family. HdA subfamily. | 0.612 |
| MCA2087 | glyA | MCA2087 | MCA1660 | HAD-superfamily subfamily IB hydrolase, TIGR01490; Identified by match to protein family HMM PF00702; match to protein family HMM TIGR01488; match to protein family HMM TIGR01490. | Serine hydroxymethyltransferase; Catalyzes the reversible interconversion of serine and glycine with tetrahydrofolate (THF) serving as the one-carbon carrier. This reaction serves as the major source of one-carbon groups required for the biosynthesis of purines, thymidylate, methionine, and other important biomolecules. Also exhibits THF-independent aldolase activity toward beta-hydroxyamino acids, producing glycine and aldehydes, via a retro-aldol mechanism. | 0.602 |
| MCA2087 | hisA | MCA2087 | MCA2803 | HAD-superfamily subfamily IB hydrolase, TIGR01490; Identified by match to protein family HMM PF00702; match to protein family HMM TIGR01488; match to protein family HMM TIGR01490. | Phosphoribosylformimino-5-aminoimidazole carboxamide ribotide isomerase; Identified by match to protein family HMM PF00977; match to protein family HMM TIGR00007. | 0.579 |
| MCA2087 | hisB | MCA2087 | MCA2805 | HAD-superfamily subfamily IB hydrolase, TIGR01490; Identified by match to protein family HMM PF00702; match to protein family HMM TIGR01488; match to protein family HMM TIGR01490. | Imidazoleglycerol-phosphate dehydratase; Identified by match to protein family HMM PF00475. | 0.588 |
| MCA2087 | hisF | MCA2087 | MCA2802 | HAD-superfamily subfamily IB hydrolase, TIGR01490; Identified by match to protein family HMM PF00702; match to protein family HMM TIGR01488; match to protein family HMM TIGR01490. | Imidazoleglycerol phosphate synthase, cyclase subunit; IGPS catalyzes the conversion of PRFAR and glutamine to IGP, AICAR and glutamate. The HisF subunit catalyzes the cyclization activity that produces IGP and AICAR from PRFAR using the ammonia provided by the HisH subunit. | 0.758 |
| MCA2087 | hisH | MCA2087 | MCA2804 | HAD-superfamily subfamily IB hydrolase, TIGR01490; Identified by match to protein family HMM PF00702; match to protein family HMM TIGR01488; match to protein family HMM TIGR01490. | Amidotransferase HisH; IGPS catalyzes the conversion of PRFAR and glutamine to IGP, AICAR and glutamate. The HisH subunit catalyzes the hydrolysis of glutamine to glutamate and ammonia as part of the synthesis of IGP and AICAR. The resulting ammonia molecule is channeled to the active site of HisF. | 0.624 |
| MCA2087 | hisI | MCA2087 | MCA2801 | HAD-superfamily subfamily IB hydrolase, TIGR01490; Identified by match to protein family HMM PF00702; match to protein family HMM TIGR01488; match to protein family HMM TIGR01490. | phosphoribosyl-AMP cyclohydrolase; Catalyzes the hydrolysis of the adenine ring of phosphoribosyl-AMP. | 0.598 |
| MCA2087 | hisZ | MCA2087 | MCA1979 | HAD-superfamily subfamily IB hydrolase, TIGR01490; Identified by match to protein family HMM PF00702; match to protein family HMM TIGR01488; match to protein family HMM TIGR01490. | Conserved hypothetical protein; Required for the first step of histidine biosynthesis. May allow the feedback regulation of ATP phosphoribosyltransferase activity by histidine. | 0.812 |
| MCA2087 | rppH | MCA2087 | MCA2086 | HAD-superfamily subfamily IB hydrolase, TIGR01490; Identified by match to protein family HMM PF00702; match to protein family HMM TIGR01488; match to protein family HMM TIGR01490. | MutT/nudix family protein; Accelerates the degradation of transcripts by removing pyrophosphate from the 5'-end of triphosphorylated RNA, leading to a more labile monophosphorylated state that can stimulate subsequent ribonuclease cleavage; Belongs to the Nudix hydrolase family. RppH subfamily. | 0.602 |
| MCA2087 | serC | MCA2087 | MCA1420 | HAD-superfamily subfamily IB hydrolase, TIGR01490; Identified by match to protein family HMM PF00702; match to protein family HMM TIGR01488; match to protein family HMM TIGR01490. | Phosphoserine aminotransferase; Catalyzes the reversible conversion of 3- phosphohydroxypyruvate to phosphoserine and of 3-hydroxy-2-oxo-4- phosphonooxybutanoate to phosphohydroxythreonine; Belongs to the class-V pyridoxal-phosphate-dependent aminotransferase family. SerC subfamily. | 0.665 |
| MCA2522 | MCA2087 | MCA2522 | MCA2087 | DnaA domain protein; Identified by similarity to OMNI:NTL03PA00948; Belongs to the DnaA family. HdA subfamily. | HAD-superfamily subfamily IB hydrolase, TIGR01490; Identified by match to protein family HMM PF00702; match to protein family HMM TIGR01488; match to protein family HMM TIGR01490. | 0.612 |
| glyA | MCA2087 | MCA1660 | MCA2087 | Serine hydroxymethyltransferase; Catalyzes the reversible interconversion of serine and glycine with tetrahydrofolate (THF) serving as the one-carbon carrier. This reaction serves as the major source of one-carbon groups required for the biosynthesis of purines, thymidylate, methionine, and other important biomolecules. Also exhibits THF-independent aldolase activity toward beta-hydroxyamino acids, producing glycine and aldehydes, via a retro-aldol mechanism. | HAD-superfamily subfamily IB hydrolase, TIGR01490; Identified by match to protein family HMM PF00702; match to protein family HMM TIGR01488; match to protein family HMM TIGR01490. | 0.602 |
| glyA | serC | MCA1660 | MCA1420 | Serine hydroxymethyltransferase; Catalyzes the reversible interconversion of serine and glycine with tetrahydrofolate (THF) serving as the one-carbon carrier. This reaction serves as the major source of one-carbon groups required for the biosynthesis of purines, thymidylate, methionine, and other important biomolecules. Also exhibits THF-independent aldolase activity toward beta-hydroxyamino acids, producing glycine and aldehydes, via a retro-aldol mechanism. | Phosphoserine aminotransferase; Catalyzes the reversible conversion of 3- phosphohydroxypyruvate to phosphoserine and of 3-hydroxy-2-oxo-4- phosphonooxybutanoate to phosphohydroxythreonine; Belongs to the class-V pyridoxal-phosphate-dependent aminotransferase family. SerC subfamily. | 0.864 |
| hisA | MCA2087 | MCA2803 | MCA2087 | Phosphoribosylformimino-5-aminoimidazole carboxamide ribotide isomerase; Identified by match to protein family HMM PF00977; match to protein family HMM TIGR00007. | HAD-superfamily subfamily IB hydrolase, TIGR01490; Identified by match to protein family HMM PF00702; match to protein family HMM TIGR01488; match to protein family HMM TIGR01490. | 0.579 |
| hisA | hisB | MCA2803 | MCA2805 | Phosphoribosylformimino-5-aminoimidazole carboxamide ribotide isomerase; Identified by match to protein family HMM PF00977; match to protein family HMM TIGR00007. | Imidazoleglycerol-phosphate dehydratase; Identified by match to protein family HMM PF00475. | 0.995 |
| hisA | hisF | MCA2803 | MCA2802 | Phosphoribosylformimino-5-aminoimidazole carboxamide ribotide isomerase; Identified by match to protein family HMM PF00977; match to protein family HMM TIGR00007. | Imidazoleglycerol phosphate synthase, cyclase subunit; IGPS catalyzes the conversion of PRFAR and glutamine to IGP, AICAR and glutamate. The HisF subunit catalyzes the cyclization activity that produces IGP and AICAR from PRFAR using the ammonia provided by the HisH subunit. | 0.998 |
| hisA | hisH | MCA2803 | MCA2804 | Phosphoribosylformimino-5-aminoimidazole carboxamide ribotide isomerase; Identified by match to protein family HMM PF00977; match to protein family HMM TIGR00007. | Amidotransferase HisH; IGPS catalyzes the conversion of PRFAR and glutamine to IGP, AICAR and glutamate. The HisH subunit catalyzes the hydrolysis of glutamine to glutamate and ammonia as part of the synthesis of IGP and AICAR. The resulting ammonia molecule is channeled to the active site of HisF. | 0.999 |
| hisA | hisI | MCA2803 | MCA2801 | Phosphoribosylformimino-5-aminoimidazole carboxamide ribotide isomerase; Identified by match to protein family HMM PF00977; match to protein family HMM TIGR00007. | phosphoribosyl-AMP cyclohydrolase; Catalyzes the hydrolysis of the adenine ring of phosphoribosyl-AMP. | 0.999 |
| hisA | hisZ | MCA2803 | MCA1979 | Phosphoribosylformimino-5-aminoimidazole carboxamide ribotide isomerase; Identified by match to protein family HMM PF00977; match to protein family HMM TIGR00007. | Conserved hypothetical protein; Required for the first step of histidine biosynthesis. May allow the feedback regulation of ATP phosphoribosyltransferase activity by histidine. | 0.853 |
| hisB | MCA2087 | MCA2805 | MCA2087 | Imidazoleglycerol-phosphate dehydratase; Identified by match to protein family HMM PF00475. | HAD-superfamily subfamily IB hydrolase, TIGR01490; Identified by match to protein family HMM PF00702; match to protein family HMM TIGR01488; match to protein family HMM TIGR01490. | 0.588 |
