This gene encodes an enzyme responsible for the hydrolytic deamination of guanine. Studies in rat ortholog suggest this gene plays a role in microtubule assembly. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Nov 2011].
Zuccarini, Giuliani, Frinchi, Mudò, Serio, Belluardo, Buccella, Carluccio, Condorelli, Caciagli, Ciccarelli, Di Iorio: "Uncovering the Signaling Pathway behind Extracellular Guanine-Induced Activation of NO System: New Perspectives in Memory-Related Disorders." in: Frontiers in pharmacology, Vol. 9, pp. 110, (2018) (PubMed).