› 3pwa

X-ray diffraction
2.04Å resolution

Structure of C126A mutant of Plasmodium falciparum triosephosphate isomerase

Released:
DOI: 10.2210/pdb3pwa/pdb
PDB entry 3pwa coloured by chain, front view.
PDB entry 3pwa coloured by chain, side view.
PDB entry 3pwa coloured by chain, top view.
Source organism: Plasmodium falciparum
Primary publication:
Probing the role of the fully conserved Cys126 in triosephosphate isomerase by site-specific mutagenesis--distal effects on dimer stability.
Samanta M, Banerjee M, Murthy MR, Balaram H, Balaram P
FEBS J 278 1932-43 (2011)
PMID: 21447068

Function and Biology Details

Reaction catalysed: 
D-glyceraldehyde 3-phosphate = glycerone phosphate
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-170466 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Triosephosphate isomerase Chains: A, B
Molecule details ›
Chains: A, B
Length: 248 amino acids
Theoretical weight: 27.97 KDa
Source organism: Plasmodium falciparum
Expression system: Escherichia coli
UniProt:
  • Canonical: Q07412 (Residues: 1-248; Coverage: 100%)
Gene name: TPI
Sequence domains: Triosephosphate isomerase
Structure domains: Aldolase class I

Ligands and Environments

3 bound ligands:
Ligand EDO 1 x EDO
Ligand ACT 2 x ACT
Ligand SO4 1 x SO4
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: BRUKER AXS MICROSTAR
Spacegroup: P21212
Unit cell:
a: 51.01Å b: 175.36Å c: 54.17Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.188 0.186 0.234
Expression system: Escherichia coli

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Citations

1 review citation

A guide to the effects of a large portion of the residues of triosephosphate isomerase on catalysis, stability, druggability, and human disease.
Olivares-Illana et al. (2017)
10 other articles