GMP synthase

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GMP synthase (GMPS) catalyzes the conversion of xantosine 5’-phosphate, ATP, glutamine and water to glutamate, GMP, AMP and diphosphate. GMPS is active in purine and glutamate metabolism.

3D structures of GMP synthase

Updated on 04-May-2025

1wl8, 2d7j – PhGMPS subunit A – Pyrococcus horikoshii

2dpl, 3a4i - PhGMPS subunit B
2ywb – TtGMPS – Thermus thermophilus
3tqi – GMPS – Coxiella burnetii
1kxj – TmGMPS – Thermotoga maritima
2a9v – GMPS – Thermoplasma acidophilum
2lxn – GMPS subunit A – Methanocaldococcus jannaschii
2vpi – hGMPS glutaminase domain – human
2vxo - hGMPS + xantosine 5’-phosphate
2ywc – TtGMPS + xantosine 5’-phosphate
2iss – TmGMPS subunit PDXT + PLP biosynthesis lyase PDXS
1gpm – GMPS + pyrophosphate + AMP – Escherichia coli


Structure of human GMP synthase dimer complex with xantosine 5-phosphate (stick model) and sulfate (PDB entry 2vxo)

Drag the structure with the mouse to rotate

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Michal Harel, Alexander Berchansky