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hisE | Phosphoribosyl-ATP pyrophosphatase. (92 aa) | ||||
GACE_0308 | L-threonine 3-O-phosphate decarboxylase. (332 aa) | ||||
hisH | Imidazole glycerol phosphate synthase amidotransferase subunit; 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. (193 aa) | ||||
trpA | Tryptophan synthase alpha chain; The alpha subunit is responsible for the aldol cleavage of indoleglycerol phosphate to indole and glyceraldehyde 3-phosphate. Belongs to the TrpA family. (254 aa) | ||||
trpB | Tryptophan synthase beta chain; The beta subunit is responsible for the synthesis of L- tryptophan from indole and L-serine. (388 aa) | ||||
trpF | Phosphoribosylanthranilate isomerase; Belongs to the TrpF family. (213 aa) | ||||
GACE_0550 | Anthranilate synthase, amidotransferase component. (185 aa) | ||||
trpE | Anthranilate synthase, aminase component; Part of a heterotetrameric complex that catalyzes the two- step biosynthesis of anthranilate, an intermediate in the biosynthesis of L-tryptophan. In the first step, the glutamine-binding beta subunit (TrpG) of anthranilate synthase (AS) provides the glutamine amidotransferase activity which generates ammonia as a substrate that, along with chorismate, is used in the second step, catalyzed by the large alpha subunit of AS (TrpE) to produce anthranilate. In the absence of TrpG, TrpE can synthesize anthranilate directly from chorismate and high c [...] (431 aa) | ||||
trpD | Anthranilate phosphoribosyltransferase; Catalyzes the transfer of the phosphoribosyl group of 5- phosphorylribose-1-pyrophosphate (PRPP) to anthranilate to yield N-(5'- phosphoribosyl)-anthranilate (PRA). (326 aa) | ||||
GACE_0553 | Indole-3-glycerol phosphate synthase. (232 aa) | ||||
hisG | 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. (280 aa) | ||||
trpB-2 | Tryptophan synthase beta chain; The beta subunit is responsible for the synthesis of L- tryptophan from indole and L-serine. (426 aa) | ||||
hisD | Histidinol dehydrogenase; Catalyzes the sequential NAD-dependent oxidations of L- histidinol to L-histidinaldehyde and then to L-histidine. (390 aa) | ||||
hisF | Imidazole glycerol 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. (271 aa) | ||||
hisI | Phosphoribosyl-ATP pyrophosphatase; Catalyzes the hydrolysis of the adenine ring of phosphoribosyl-AMP. (110 aa) | ||||
GACE_1880 | Phosphoserine phosphatase. (389 aa) | ||||
hisB | Imidazoleglycerol-phosphate dehydratase (hisB). (184 aa) | ||||
hisA | Phosphoribosylformimino-5-aminoimidazole carboxamide ribonucleotide isomerase (hisA). (236 aa) |