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Structural Studies Reveal the Inactivation of E. coli L-aspartate aminotransferase by (s)-4,5-dihydro-2thiophenecarboylic acid (SADTA) via two mechanisms (at pH 7.0).

Source organism: Escherichia coli
Biochemical function: protein homodimerization activity
Biological process: L-phenylalanine biosynthetic process from chorismate via phenylpyruvate
Cellular component: cytosol

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EC 2.6.1.1: Aspartate transaminase

Reaction catalysed:
L-aspartate + 2-oxoglutarate = oxaloacetate + L-glutamate
Systematic name:
L-aspartate:2-oxoglutarate aminotransferase
Alternative Name(s):
  • 2-oxoglutarate--glutamate aminotransferase
  • AAT
  • AST
  • AspT
  • Aspartate alpha-ketoglutarate transaminase
  • Aspartate aminotransferase
  • Aspartate--2-oxoglutarate transaminase
  • Aspartate:2-oxoglutarate aminotransferase
  • Aspartic acid aminotransferase
  • Aspartic aminotransferase
  • Aspartyl aminotransferase
  • GOT (enzyme)
  • Glutamate oxaloacetate transaminase
  • Glutamate--oxalate transaminase
  • Glutamate--oxaloacetate aminotransferase
  • Glutamic oxalic transaminase
  • Glutamic--aspartic aminotransferase
  • Glutamic--aspartic transaminase
  • Glutamic--oxalacetic transaminase
  • Glutamic--oxaloacetic transaminase
  • L-aspartate transaminase
  • L-aspartate--2-ketoglutarate aminotransferase
  • L-aspartate--2-oxoglutarate aminotransferase
  • L-aspartate--2-oxoglutarate-transaminase
  • L-aspartate--alpha-ketoglutarate transaminase
  • L-aspartic aminotransferase
  • Oxaloacetate transferase
  • Oxaloacetate--aspartate aminotransferase
  • Transaminase A

GO terms

Sequence family

Pfam Protein family (Pfam)
PF00155
Domain description: Aminotransferase class I and II
Occurring in:
  1. Aspartate aminotransferase
The deposited structure of PDB entry 2qb2 contains 1 copy of Pfam domain PF00155 (Aminotransferase class I and II) in Aspartate aminotransferase. Showing 1 copy in chain A.

InterPro InterPro annotations
IPR000796
Domain description: Aspartate/other aminotransferase
Occurring in:
  1. Aspartate aminotransferase
IPR004838
Domain description: Aminotransferases, class-I, pyridoxal-phosphate-binding site
Occurring in:
  1. Aspartate aminotransferase
IPR015421
Domain description: Pyridoxal phosphate-dependent transferase, major domain
Occurring in:
  1. Aspartate aminotransferase
IPR004839
Domain description: Aminotransferase, class I/classII, large domain
Occurring in:
  1. Aspartate aminotransferase
IPR015422
Domain description: Pyridoxal phosphate-dependent transferase, small domain
Occurring in:
  1. Aspartate aminotransferase
IPR015424
Domain description: Pyridoxal phosphate-dependent transferase
Occurring in:
  1. Aspartate aminotransferase

Structure domains

CATH CATH domains
3.90.1150.10
Class: Alpha Beta
Architecture: Alpha-Beta Complex
Topology: Aspartate Aminotransferase, domain 1
Homology: Aspartate Aminotransferase, domain 1
Occurring in:
  1. Aspartate aminotransferase
The deposited structure of PDB entry 2qb2 contains 1 copy of CATH domain 3.90.1150.10 (Aspartate Aminotransferase, domain 1) in Aspartate aminotransferase. Showing 1 copy in chain A.
3.40.640.10
Class: Alpha Beta
Architecture: 3-Layer(aba) Sandwich
Topology: Aspartate Aminotransferase; domain 2
Homology: Type I PLP-dependent aspartate aminotransferase-like (Major domain)
Occurring in:
  1. Aspartate aminotransferase
The deposited structure of PDB entry 2qb2 contains 1 copy of CATH domain 3.40.640.10 (Aspartate Aminotransferase; domain 2) in Aspartate aminotransferase. Showing 1 copy in chain A.

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