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hisH | Imidazole glycerol phosphate synthase hisHF; IGPS catalyzes the conversion of PRFAR and glutamine to IGP, AICAR and glutamate. The glutaminase domain produces the ammonia necessary for the cyclase domain to produce IGP and AICAR from PRFAR. The ammonia is channeled to the active site of the cyclase domain. Belongs to the HisA/HisF family. (570 aa) | ||||
THAPS_10878 | Predicted protein. (485 aa) | ||||
APT2 | Probable adenine phosphoribosyltransferase. (145 aa) | ||||
B8BQ44_THAPS | Pyrimidine-nucleoside phosphorylase. (458 aa) | ||||
B8BQB0_THAPS | Queuine tRNA-ribosyltransferase; Catalyzes the base-exchange of a guanine (G) residue with the queuine precursor 7-aminomethyl-7-deazaguanine (PreQ1) at position 34 (anticodon wobble position) in tRNAs with GU(N) anticodons (tRNA-Asp, - Asn, -His and -Tyr). Catalysis occurs through a double-displacement mechanism. The nucleophile active site attacks the C1' of nucleotide 34 to detach the guanine base from the RNA, forming a covalent enzyme-RNA intermediate. The proton acceptor active site deprotonates the incoming PreQ1, allowing a nucleophilic attack on the C1' of the ribose to form t [...] (412 aa) | ||||
MTS2_1 | Queuine tRNA-ribosyltransferase; Catalyzes the base-exchange of a guanine (G) residue with the queuine precursor 7-aminomethyl-7-deazaguanine (PreQ1) at position 34 (anticodon wobble position) in tRNAs with GU(N) anticodons (tRNA-Asp, - Asn, -His and -Tyr). Catalysis occurs through a double-displacement mechanism. The nucleophile active site attacks the C1' of nucleotide 34 to detach the guanine base from the RNA, forming a covalent enzyme-RNA intermediate. The proton acceptor active site deprotonates the incoming PreQ1, allowing a nucleophilic attack on the C1' of the ribose to form t [...] (476 aa) | ||||
B8BQH3_THAPS | Amidophosphoribosyltransferase. (537 aa) | ||||
B8C3C7_THAPS | Nicotinate phosphoribosyltransferase; Catalyzes the first step in the biosynthesis of NAD from nicotinic acid, the ATP-dependent synthesis of beta-nicotinate D- ribonucleotide from nicotinate and 5-phospho-D-ribose 1-phosphate. Belongs to the NAPRTase family. (520 aa) | ||||
B8C4E1_THAPS | ATP phosphoribosyltransferase. (291 aa) | ||||
B8C565_THAPS | Xanthine phosphoribosyltransferase. (260 aa) | ||||
PNP1 | Probable purine-nucleoside phosphorylase. (241 aa) | ||||
B8CAL4_THAPS | Nicotinate-nucleotide pyrophosphorylase. (291 aa) | ||||
B8CAM0_THAPS | Queuine tRNA-ribosyltransferase; Catalyzes the base-exchange of a guanine (G) residue with the queuine precursor 7-aminomethyl-7-deazaguanine (PreQ1) at position 34 (anticodon wobble position) in tRNAs with GU(N) anticodons (tRNA-Asp, - Asn, -His and -Tyr). Catalysis occurs through a double-displacement mechanism. The nucleophile active site attacks the C1' of nucleotide 34 to detach the guanine base from the RNA, forming a covalent enzyme-RNA intermediate. The proton acceptor active site deprotonates the incoming PreQ1, allowing a nucleophilic attack on the C1' of the ribose to form t [...] (418 aa) | ||||
B8CDU8_THAPS | Uncharacterized protein. (452 aa) | ||||
B8LDA3_THAPS | Predicted protein. (544 aa) |