› 2vel

X-ray diffraction
2.3Å resolution

Structure-based enzyme engineering efforts with an inactive monomeric TIM variant: the importance of a single point mutation for generating an active site with suitable binding properties.

Released:
DOI: 10.2210/pdb2vel/pdb
PDB entry 2vel coloured by chain, front view.
PDB entry 2vel coloured by chain, side view.
PDB entry 2vel coloured by chain, top view.
Source organism: Trypanosoma brucei brucei
Primary publication:
Structure-based protein engineering efforts with a monomeric TIM variant: the importance of a single point mutation for generating an active site with suitable binding properties.
Alahuhta M, Salin M, Casteleijn MG, Kemmer C, El-Sayed I, Augustyns K, Neubauer P, Wierenga RK
Protein Eng Des Sel 21 257-66 (2008)
PMID: 18239072

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:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-138175 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Triosephosphate isomerase, glycosomal Chains: A, B
Molecule details ›
Chains: A, B
Length: 238 amino acids
Theoretical weight: 25.66 KDa
Source organism: Trypanosoma brucei brucei
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P04789 (Residues: 2-250; Coverage: 95%)
Sequence domains: Triosephosphate isomerase
Structure domains: Aldolase class I

Ligands and Environments

2 bound ligands:
Ligand CL 2 x CL
Ligand PGA 2 x PGA
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: EMBL/DESY, HAMBURG BEAMLINE X13
Spacegroup: P21
Unit cell:
a: 44.82Å b: 85.6Å c: 55.27Å
α: 90° β: 98.23° γ: 90°
R-values:
R R work R free
0.184 0.18 0.257
Expression system: Escherichia coli BL21

Quick links

Citations

2 review citations

Synthetic biology for the directed evolution of protein biocatalysts: navigating sequence space intelligently.
Currin et al. (2015)
1 more

2 mentions without citation

Rapid catalytic template searching as an enzyme function prediction procedure.
Nilmeier et al. (2013)
1 more