purQ (Phosphoribosylformylglycinamidine synthase subunit PurQ)

FEATURES

DESCRIPTION

Also known as PURQ_GLUOX, purQ. Part of the phosphoribosylformylglycinamidine synthase complex involved in the purines biosynthetic pathway. Catalyzes the ATP-dependent conversion of formylglycinamide ribonucleotide (FGAR) and glutamine to yield formylglycinamidine ribonucleotide (FGAM) and glutamate. The FGAM synthase complex is composed of three subunits. PurQ produces an ammonia molecule by converting glutamine to glutamate. PurL transfers the ammonia molecule to FGAR to form FGAM in an ATP-dependent manner. PurS interacts with PurQ and PurL and is thought to assist in the transfer of the ammonia molecule from PurQ to PurL. Part of the FGAM synthase complex composed of 1 PurL, 1 PurQ and 2 PurS subunits.

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EXTERNAL LINKS

purQ

Phosphoribosylformylglycinamidine synthase subunit PurQ

MOLECULAR SYNOPSIS STRUCTURAL LIGANDABILITY

purQ

Molecular Synopsis