2V5B | pdb_00002v5b

The monomerization of Triosephosphate Isomerase from Trypanosoma cruzi

• PDB DOI: https://doi.org/10.2210/pdb2V5B/pdb

• Classification: ISOMERASE
• Organism(s): Trypanosoma cruzi
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2008-10-02 Released: 2008-11-11 
• Deposition Author(s): Arreola, R., Torres-Larios, A.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 
  0.257 (Depositor), 0.250 (DCC) 
• R-Value Work: 
  0.212 (Depositor), 0.210 (DCC) 
• R-Value Observed: 
  0.214 (Depositor) 

Starting Model: experimental

Literature

The Monomerization of Triosephosphate Isomerase from Trypanosoma Cruzi.

Zarate-Perez, F., Chanez-Cardenas, M.E., Arreola, R., Torres-Larios, A., Vazquez-Contreras, E.

(2008) Prog Nucleic Acid Res Mol Biol 84: 251

• PubMed: 19121704 
• DOI: https://doi.org/10.1016/S0079-6603(08)00407-8
• Primary Citation of Related Structures:  
  2V5B

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Organizational Affiliation: 

Departamento de Bioquímica, Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior, México, DF 04510, México.

Biological Assembly 1  

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

Biological assembly 1 generated by PQS (software)

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 26.51 kDa 
• Atom Count: 1,881 
• Modelled Residue Count: 237 
• Deposited Residue Count: 244 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
TRIOSEPHOSPHATE ISOMERASE	A	244	Trypanosoma cruzi	Mutation(s): 0  EC: 5.3.1.1
UniProt
Find proteins for P52270 (Trypanosoma cruzi) Explore P52270  Go to UniProtKB:  P52270

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
CSO	A	L-PEPTIDE LINKING	C3 H7 N O3 S		CYS

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free:  0.257 (Depositor), 0.250 (DCC) 
• R-Value Work:  0.212 (Depositor), 0.210 (DCC) 
• R-Value Observed: 0.214 (Depositor) 

Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 70.327	α = 90
b = 77.673	β = 90
c = 43.052	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-11-11 
Deposition Author(s): Arreola, R., Torres-Larios, A.

Revision History  

• Version 1.0: 2008-11-11
  Type: Initial release
  
• Version 1.1: 2011-05-08
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2019-05-22
  Changes: Data collection, Derived calculations, Experimental preparation, Other
• Version 1.4: 2023-12-13
  Changes: Data collection, Database references, Other, Refinement description
• Version 1.5: 2024-10-23
  Changes: Structure summary