› 7cp1

X-ray diffraction
2.58Å resolution

Crystal structure of isocitrate lyase in complex with succinate and itaconate

Released:
DOI: 10.2210/pdb7cp1/pdb
PDB entry 7cp1 coloured by chain, front view.
PDB entry 7cp1 coloured by chain, side view.
PDB entry 7cp1 coloured by chain, top view.
Source organism: Mycobacterium tuberculosis H37Rv
Primary publication:
Heterogeneous multimeric structure of isocitrate lyase in complex with succinate and itaconate provides novel insights into its inhibitory mechanism.
Kwon S, Chun HL, Ha HJ, Lee SY, Park HH
PLoS One 16 e0251067 (2021)
PMID: 33951112

Function and Biology Details

Reaction catalysed: 
Isocitrate = succinate + glyoxylate
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-161751 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Isocitrate lyase Chains: A, B
Molecule details ›
Chains: A, B
Length: 436 amino acids
Theoretical weight: 48.21 KDa
Source organism: Mycobacterium tuberculosis H37Rv
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P9WKK7 (Residues: 1-428; Coverage: 100%)
Gene names: MTV038.11, Rv0467, icl
Sequence domains: Isocitrate lyase family

Ligands and Environments

3 bound ligands:
Ligand SIN 1 x SIN
Ligand MG 2 x MG
Ligand ITN 1 x ITN
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PAL/PLS BEAMLINE 5C (4A)
Spacegroup: P6522
Unit cell:
a: 131.32Å b: 131.32Å c: 284.882Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.156 0.154 0.194
Expression system: Escherichia coli BL21(DE3)

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Citations

1 review citation

An Outline of the Latest Crystallographic Studies on Inhibitor-Enzyme Complexes for the Design and Development of New Therapeutics against Tuberculosis.
Mori et al. (2021)
1 other article