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phosphoribosylformylglycinamidine synthase subunit PurQ
This family captures members that are not found in Pfam:PF00310, Pfam:PF07685 and Pfam:PF13230. [1]. 10966576. The synthetase domains of cobalamin biosynthesis amidotransferases cobB and cobQ belong to a new family of ATP-dependent amidoligases, related to dethiobiotin synthetase. Galperin MY, Grishin NV;. Proteins 2000;41:238-247. (from Pfam)
CobB/CobQ-like glutamine amidotransferase domain
glutamine amidotransferase-related protein
phosphoribosylformylglycinamidine synthase I
In some species, phosphoribosylformylglycinamidine synthase is composed of a single polypeptide chain. This HMM describes the PurQ protein of Bacillus subtilis (where PurL, PurQ, and PurS are required for phosphoribosylformylglycinamidine synthase activity) and functionally equivalent proteins from other bacteria and archaea.
phosphoribosylformylglycinamidine synthase subunit PurQ is part of the complex that catalyzes the ATP-dependent conversion of formylglycinamide ribonucleotide (FGAR) and glutamine to yield formylglycinamidine ribonucleotide (FGAM) and glutamate; subunit PurQ produces an ammonia molecule by converting glutamine to glutamate
With PurL and PurS catalyzes the conversion of formylglycinamide ribonucleotide, ATP, and glutamine to formylglycinamidine ribonucleotide, ADP, and glutamate in the fourth step of the purine biosynthetic pathway
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