Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun biochemistry Any
enzyme that catalyzes the conversion ofglutamine toglutamic acid andammonia
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
glutamine + -ase
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Examples
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One of the proteins that responded to the Myc gene, glutaminase (GLS), supports the production of cellular energy.
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A glutamine amidotransferase consisting of the synthase Pdx1 and its glutaminase partner, Pdx2, form a complex that directly synthesizes PLP from ribose 5-phosphate, glyceraldehyde 3-phosphate, and glutamine.
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The multiple catalytic ability of Pdx1, the remote glutaminase and synthase active sites, and the elaborate structure suggest regulation of activity on several levels.
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12 Pdx2 subunits attach, with the glutaminase and synthase active sites remote from each other.
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