3A4I:
reference: Crystal structure of the ATPPase subunit and its substrate-dependent association with the GATase Subunit: a novel regulatory mechanism for a two-subunit-type GMP synthetase from Pyrococcus horikoshii OT3., Maruoka S, Horita S, Lee WC, Nagata K, Tanokura M, J Mol Biol. 2010 Jan 15;395(2):417-29. Epub 2009 Nov 10. PMID: 19900465

This OCA Structure page
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