6JL6

Crystal structure of aspartate transcarbamoylase from Trypanosoma cruzi in complex with phosphate (Pi).

• PDB DOI: https://doi.org/10.2210/pdb6JL6/pdb

• Classification: TRANSFERASE
• Organism(s): Trypanosoma cruzi
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2019-03-04 Released: 2020-03-04 
• Deposition Author(s): Matoba, K., Shiba, T., Nara, T., Aoki, T., Nagasaki, S., Hayamizu, R., Honma, T., Tanaka, A., Inoue, M., Matsuoka, S., Balogun, E.O., Inaoka, D.K., Kita, K., Harada, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.223 
• R-Value Work: 0.185 
• R-Value Observed: 0.187 

Literature

Crystallographic snapshots of Trypanosoma cruzi aspartate transcarbamoylase revealed an ordered Bi-Bi reaction mechanism

Matoba, K., Shiba, T., Nara, T., Aoki, T., Nagasaki, S., Hayamizu, R., Honma, T., Tanaka, A., Inoue, M., Matsuoka, S., Balogun, E.O., Inaoka, D.K., Kita, K., Harada, S.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

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

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

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

Macromolecule Content

• Total Structure Weight: 216.72 kDa 
• Atom Count: 14,792 
• Modelled Residue Count: 1,853 
• Deposited Residue Count: 1,962 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Aspartate carbamoyltransferase	A, B, C, D, E, F	327	Trypanosoma cruzi	Mutation(s): 0  Gene Names: C3747_31g124 EC: 2.1.3.2
UniProt
Find proteins for O15636 (Trypanosoma cruzi) Explore O15636  Go to UniProtKB:  O15636

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ASP	G [auth C]	ASPARTIC ACID C4 H7 N O4 CKLJMWTZIZZHCS-REOHCLBHSA-N
PO4	H [auth E]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.223 
• R-Value Work: 0.185 
• R-Value Observed: 0.187 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 88.42	α = 90
b = 158.607	β = 119.69
c = 89.2	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2020-03-04 
Deposition Author(s): Matoba, K., Shiba, T., Nara, T., Aoki, T., Nagasaki, S., Hayamizu, R., Honma, T., Tanaka, A., Inoue, M., Matsuoka, S., Balogun, E.O., Inaoka, D.K., Kita, K., Harada, S.

Revision History  

• Version 1.0: 2020-03-04
  Type: Initial release
  
• Version 1.1: 2023-11-22
  Changes: Data collection, Database references, Refinement description