5ILN

Crystal structure of Aspartate Transcarbamoylase from Plasmodium falciparum (PfATC) with bound citrate

• PDB DOI: https://doi.org/10.2210/pdb5ILN/pdb

• Classification: TRANSFERASE
• Organism(s): Plasmodium falciparum 3D7
• Expression System: Escherichia coli K-12
• Mutation(s): No 


• Deposited: 2016-03-04 Released: 2017-03-29 
• Deposition Author(s): Lunev, S., Bosch, S.S., Batista, F.D.A., Wrenger, C., Groves, M.R.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.21 Å
• R-Value Free: 0.234 
• R-Value Work: 0.180 
• R-Value Observed: 0.182 

Literature

Crystal structure of truncated Aspartate Transcarbamoylase from Plasmodium falciparum

Lunev, S., Bosch, S.S., Batista, F.D.A., Wrenger, C., Groves, M.R.

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.

Macromolecule Content

• Total Structure Weight: 134.46 kDa 
• Atom Count: 8,418 
• Modelled Residue Count: 1,009 
• Deposited Residue Count: 1,155 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Aspartate carbamoyltransferase	A, B, C	385	Plasmodium falciparum 3D7	Mutation(s): 0  Gene Names: atcasE, MAL13P1.221 EC: 2.1.3.2

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FLC	H [auth C]	CITRATE ANION C6 H5 O7 KRKNYBCHXYNGOX-UHFFFAOYSA-K
PO4	E [auth A], G [auth B], K [auth C]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K
GOL	D [auth A], F [auth B], I [auth C], J [auth C]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.21 Å
• R-Value Free: 0.234 
• R-Value Work: 0.180 
• R-Value Observed: 0.182 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 86.45	α = 90
b = 107.29	β = 117.46
c = 87.32	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
Coot	model building
Aimless	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2017-03-29 
Deposition Author(s): Lunev, S., Bosch, S.S., Batista, F.D.A., Wrenger, C., Groves, M.R.

Revision History  

• Version 1.0: 2017-03-29
  Type: Initial release
  
• Version 1.1: 2018-01-31
  Changes: Database references
• Version 1.2: 2024-05-01
  Changes: Data collection, Database references, Refinement description