5CG7

Leishmania siamensis Triosephosphate isomerase

• PDB DOI: https://doi.org/10.2210/pdb5CG7/pdb

• Classification: HYDROLASE
• Organism(s): Leishmania sp. 'siamensis
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2015-07-09 Released: 2016-07-13 
• Deposition Author(s): Kuaprasert, B., Riangrungroj, P., Pornthanakasem, W., Attarataya, J., Sirimontree, P., Mungthin, M., Leelayoova, S., Suginta, W., Choowongkomon, K., Leartsakulpanich, U.
• Funding Organization(s): Synchrotron Light Research Institute (Public Organization), National Center for Genetic Engineering and Biotechnology (BIOTEC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.88 Å
• R-Value Free: 0.196 
• R-Value Work: 0.168 
• R-Value Observed: 0.170 

Literature

Crystal structure of Leishmania siamensis Triosephosphate isomerase at 1.88 Angstroms

Kuaprasert, B., Riangrungroj, P., Pornthanakasem, W., Sirimontree, P., Attarataya, J., Mungthin, M., Leelayoova, S., Suginta, W., Choowongkomon, K., Leartsakulpanich, U.

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)

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 58.88 kDa 
• Atom Count: 4,251 
• Modelled Residue Count: 491 
• Deposited Residue Count: 542 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Triosephosphate isomerase	A, B	271	Leishmania sp. 'siamensis	Mutation(s): 0  Gene Names: tim EC: 5.3.1.1
UniProt
Find proteins for I2APN2 (Leishmania sp. 'siamensis') Explore I2APN2  Go to UniProtKB:  I2APN2

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	C [auth A], D [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
CAS	A, B	L-PEPTIDE LINKING	C5 H12 As N O2 S		CYS

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.88 Å
• R-Value Free: 0.196 
• R-Value Work: 0.168 
• R-Value Observed: 0.170 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 81.44	α = 90
b = 76.45	β = 101.14
c = 94.94	γ = 90

Software Package:

Software Name	Purpose
AUTOMAR	data collection
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2016-07-13 
Deposition Author(s): Kuaprasert, B., Riangrungroj, P., Pornthanakasem, W., Attarataya, J., Sirimontree, P., Mungthin, M., Leelayoova, S., Suginta, W., Choowongkomon, K., Leartsakulpanich, U.

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Funding Organization	Location	Grant Number
Synchrotron Light Research Institute (Public Organization)	Thailand	SLRI; GRANT 2-2549/LS01
National Center for Genetic Engineering and Biotechnology (BIOTEC)	Thailand	P-00-0029

Revision History  

• Version 1.0: 2016-07-13
  Type: Initial release
  
• Version 1.1: 2023-11-08
  Changes: Data collection, Database references, Derived calculations, Refinement description