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CRYSTAL STRUCTURE OF L-RIBULOSE-5-PHOSPHATE 4-EPIMERASE

Source organism: Escherichia coli K-12
Biochemical function: metal ion binding
Biological process: L-arabinose catabolic process
Cellular component: protein-containing complex

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EC 5.1.3.4: L-ribulose-5-phosphate 4-epimerase

Reaction catalysed:
L-ribulose 5-phosphate = D-xylulose 5-phosphate
Systematic name:
L-ribulose-5-phosphate 4-epimerase
Alternative Name(s):
  • AraD
  • L-ribulose 5-phosphate 4-epimerase
  • L-ribulose-phosphate 4-epimerase
  • L-ru5P
  • Phosphoribulose isomerase
  • Ribulose phosphate 4-epimerase

GO terms

Sequence family

Pfam Protein family (Pfam)
PF00596
Domain description: Class II Aldolase and Adducin N-terminal domain
Occurring in:
  1. L-ribulose-5-phosphate 4-epimerase AraD
The deposited structure of PDB entry 1jdi contains 6 copies of Pfam domain PF00596 (Class II Aldolase and Adducin N-terminal domain) in L-ribulose-5-phosphate 4-epimerase AraD. Showing 1 copy in chain A.

InterPro InterPro annotations
IPR001303
Domain description: Class II aldolase/adducin N-terminal
Occurring in:
  1. L-ribulose-5-phosphate 4-epimerase AraD
IPR036409
Domain description: Class II aldolase/adducin N-terminal domain superfamily
Occurring in:
  1. L-ribulose-5-phosphate 4-epimerase AraD
IPR033748
Domain description: L-ribulose-5-phosphate 4-epimerase AraD
Occurring in:
  1. L-ribulose-5-phosphate 4-epimerase AraD
IPR004661
Domain description: L-ribulose-5-phosphate 4-epimerase
Occurring in:
  1. L-ribulose-5-phosphate 4-epimerase AraD

Structure domain

CATH CATH domain
3.40.225.10
Class: Alpha Beta
Architecture: 3-Layer(aba) Sandwich
Topology: L-fuculose-1-phosphate Aldolase
Homology: Class II aldolase/adducin N-terminal domain
Occurring in:
  1. L-ribulose-5-phosphate 4-epimerase AraD
The deposited structure of PDB entry 1jdi contains 6 copies of CATH domain 3.40.225.10 (L-fuculose-1-phosphate Aldolase) in L-ribulose-5-phosphate 4-epimerase AraD. Showing 1 copy in chain A.
SCOP SCOP annotation
53640
Class: Alpha and beta proteins (a/b)
Fold: AraD/HMP-PK domain-like
Superfamily: AraD/HMP-PK domain-like
Occurring in:
  1. L-ribulose-5-phosphate 4-epimerase AraD
The deposited structure of PDB entry 1jdi contains 6 copies of SCOP domain 53640 (AraD-like aldolase/epimerase) in L-ribulose-5-phosphate 4-epimerase AraD. Showing 1 copy in chain A.

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