Glutaminase

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Function

Glutaminase (GLN) catalyzes the conversion of glutamine (Gln) to glutamic acid (Glu). GLN is present at the axonal termini of neurons where GA functions as a neurotransmitter. ADP is an activator of GLN. GLN is a homodimer^[1]. In human GLN is found as 2 isozymes – GLN and GLN 2. Glutaminase-asparaginase (GLN-ASN) can amidohydrolase both glutamine and asparagine to their corresponding Glu and Asp^[2].

3D structures of glutaminase

Updated on 08-March-2016

References

↑ Curthoys NP. Role of mitochondrial glutaminase in rat renal glutamine metabolism. J Nutr. 2001 Sep;131(9 Suppl):2491S-5S; discussion 2496S-7S. PMID:11533299
↑ Steckel J, Roberts J, Philips FS, Chou TC. Kinetic properties and inhibition of Acinetobacter glutaminase-asparaginase. Biochem Pharmacol. 1983 Mar 15;32(6):971-7. PMID:6838661

Created with the participation of Lindsey Butler.