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In enzymology, an anthranilate synthase is an enzyme that catalyzes the chemical reaction


 * chorismate + L-glutamine $$\rightleftharpoons$$ anthranilate + pyruvate + L-glutamate 2

Thus, the two substrates of this enzyme are chorismate and L-glutamine, whereas its 3 products are anthranilate, pyruvate, and L-glutamate.

Reaction
In enzymology, an anthranilate synthase is an enzyme that catalyzes the chemical reaction
 * chorismate + L-glutamine $$\rightleftharpoons$$ anthranilate + pyruvate + L-glutamate

Thus, the two substrates of this enzyme are chorismate and L-glutamine, whereas its 3 products are anthranilate, pyruvate, and L-glutamate.

Nomenclature
This enzyme belongs to the family of lyases, to be specific the oxo-acid-lyases, which cleave carbon-carbon bonds. The systematic name of this enzyme class is chorismate pyruvate-lyase (amino-accepting; anthranilate-forming). Other names in common use include anthranilate synthetase, chorismate lyase, and chorismate pyruvate-lyase (amino-accepting). This enzyme participates in phenylalanine, tyrosine and tryptophan biosynthesis and two-component system - general.

Structural studies
As of late 2007, 5 structures have been solved for this class of enzymes, with PDB accession codes, , , , and.