4MWZ

Crystal structure of N-methyl transferase from Plasmodium vivax complexed with S-adenosyl methionine, phosphate and amodiaquine

• PDB DOI: https://doi.org/10.2210/pdb4MWZ/pdb

• Classification: transferase/transferase inhibitor
• Organism(s): Plasmodium vivax Sal-1
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2013-09-25 Released: 2014-10-01 
• Deposition Author(s): Lukk, T., Nair, S.K.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.178 
• R-Value Work: 0.152 
• R-Value Observed: 0.153 

Starting Model: experimental

Literature

Phosphoethanolamine N-methyl transferase is a Malarial drug target

Lukk, T., Nair, S.K., Mamoun, C.B.

To be published.

Biological Assembly 1  

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

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

Biological Assembly 2  

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

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

Macromolecule Content

• Total Structure Weight: 63.91 kDa 
• Atom Count: 5,145 
• Modelled Residue Count: 520 
• Deposited Residue Count: 534 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Phosphoethanolamine N-methyltransferase, putative	A, B	267	Plasmodium vivax Sal-1	Mutation(s): 0  Gene Names: PMT, PVX_083045 EC: 2.1.1.103
UniProt
Find proteins for A5K867 (Plasmodium vivax (strain Salvador I)) Explore A5K867  Go to UniProtKB:  A5K867

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SAM	C [auth A], F [auth B]	S-ADENOSYLMETHIONINE C15 H22 N6 O5 S MEFKEPWMEQBLKI-FCKMPRQPSA-N
CQA	H [auth B]	4-[(7-CHLOROQUINOLIN-4-YL)AMINO]-2-[(DIETHYLAMINO)METHYL]PHENOL C20 H22 Cl N3 O OVCDSSHSILBFBN-UHFFFAOYSA-N
PO4	D [auth A], G [auth B]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K
BME	E [auth A], I [auth B]	BETA-MERCAPTOETHANOL C2 H6 O S DGVVWUTYPXICAM-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.178 
• R-Value Work: 0.152 
• R-Value Observed: 0.153 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 37.44	α = 90
b = 86.62	β = 103.23
c = 78.27	γ = 90

Software Package:

Software Name	Purpose
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
XDS	data reduction
XSCALE	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-10-01 
Deposition Author(s): Lukk, T., Nair, S.K.

Revision History  

• Version 1.0: 2014-10-01
  Type: Initial release
  
• Version 1.1: 2014-11-12
  Changes: Structure summary
• Version 1.2: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description, Structure summary