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CATH Classification

Domain Context

CATH Clusters

Superfamily 3.30.70.260
Functional Family Acetolactate synthase isozyme 1 small subunit

Enzyme Information

2.2.1.6
Acetolactate synthase.
based on mapping to UniProt P0ADF8
2 pyruvate = 2-acetolactate + CO(2).
-!- The reaction shown is in the pathway of biosynthesis of valine. -!- The enzyme can also transfer the acetaldehyde from pyruvate to 2-oxobutanoate, forming 2-ethyl-2-hydroxy-3-oxobutanoate, also known as 2-aceto-2-hydroxybutanoate, a reaction in the biosynthesis of isoleucine. -!- Formerly EC 4.1.3.18.

UniProtKB Entries (1)

P0ADF8
ILVN_ECOLI
Escherichia coli K-12
Acetolactate synthase isozyme 1 small subunit

PDB Structure

PDB 5YPY
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Crystallographic Structures of IlvN·Val/Ile Complexes: Conformational Selectivity for Feedback Inhibition of Aceto Hydroxy Acid Synthases.
Bansal, A., Karanth, N.M., Demeler, B., Schindelin, H., Sarma, S.P.
Biochemistry
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