4O4V

Crystal Structure of Trichomonas vaginalis Triosephosphate Isomerase Tvag_497370 (Ile-45 variant)

• PDB DOI: https://doi.org/10.2210/pdb4O4V/pdb

• Classification: ISOMERASE
• Organism(s): Trichomonas vaginalis
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2013-12-19 Released: 2014-12-24 
• Deposition Author(s): Lara-Gonzalez, S., Benitez-Cardoza, C.G., Brieba, L.G.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.23 Å
• R-Value Free: 0.156 
• R-Value Work: 0.145 
• R-Value Observed: 0.146 

Literature

Engineering mutants with altered dimer-monomer equilibrium reveal the existence of stable monomeric Triosephosphate isomerases

Lara-Gonzalez, S., Benitez-Cardoza, C.G., Brieba, L.G.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 27.55 kDa 
• Atom Count: 2,191 
• Modelled Residue Count: 251 
• Deposited Residue Count: 252 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Triosephosphate isomerase	A	252	Trichomonas vaginalis	Mutation(s): 0  Gene Names: TVAG_497370 EC: 5.3.1.1
UniProt
Find proteins for A2EGX9 (Trichomonas vaginalis (strain ATCC PRA-98 / G3)) Explore A2EGX9  Go to UniProtKB:  A2EGX9

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NA	B [auth A], C [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.23 Å
• R-Value Free: 0.156 
• R-Value Work: 0.145 
• R-Value Observed: 0.146 
• Space Group: P 2 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 47.22	α = 90
b = 56.75	β = 90
c = 107.86	γ = 90

Software Package:

Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-12-24 
Deposition Author(s): Lara-Gonzalez, S., Benitez-Cardoza, C.G., Brieba, L.G.

Revision History  

• Version 1.0: 2014-12-24
  Type: Initial release
  
• Version 1.1: 2024-02-28
  Changes: Data collection, Database references, Derived calculations