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CATH Classification

Domain Context

CATH Clusters

Superfamily Anthranilate synthase
Functional Family Anthranilate synthase component 1

Enzyme Information

4.1.3.27
Anthranilate synthase.
based on mapping to UniProt P00897
Chorismate + L-glutamine = anthranilate + pyruvate + L-glutamate.
-!- In some organisms, this enzyme is part of a multifunctional protein together with one or more components of the system for biosynthesis of tryptophan (EC 2.4.2.18, EC 4.1.1.48, EC 4.2.1.20 and EC 5.3.1.24). -!- The native enzyme in the complex with uses either glutamine or (less efficiently) NH(3). -!- The enzyme separated from the complex uses NH(3) only.

UniProtKB Entries (1)

P00897
TRPE_SERMA
Serratia marcescens
Anthranilate synthase component 1

PDB Structure

PDB 1I7S
External Links
Method X-RAY DIFFRACTION
Organism Escherichia
Primary Citation
The structures of anthranilate synthase of Serratia marcescens crystallized in the presence of (i) its substrates, chorismate and glutamine, and a product, glutamate, and (ii) its end-product inhibitor, L-tryptophan.
Spraggon, G., Kim, C., Nguyen-Huu, X., Yee, M.C., Yanofsky, C., Mills, S.E.
Proc.Natl.Acad.Sci.USA
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