2PBF

Crystal structure of a putative protein-L-isoaspartate O-methyltransferase beta-aspartate methyltransferase (PCMT) from Plasmodium falciparum in complex with S-adenosyl-L-homocysteine

• PDB DOI: https://doi.org/10.2210/pdb2PBF/pdb

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


• Deposited: 2007-03-28 Released: 2007-04-10 
• Deposition Author(s): Wernimont, A.K., Hassanali, A., Lin, L., Lew, J., Zhao, Y., Ravichandran, M., Wasney, G., Vedadi, M., Kozieradzki, I., Bochkarev, A., Edwards, A.M., Arrowsmith, C.H., Weigelt, J., Sundstrom, M., Hui, R., Qiu, W., Structural Genomics Consortium (SGC)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.268 
• R-Value Work: 0.224 
• R-Value Observed: 0.226 

Starting Model: experimental

Literature

Crystal structure of a putative protein-L-isoaspartate O-methyltransferase beta-aspartate methyltransferase (PCMT) from Plasmodium falciparum in complex with S-adenosyl-L-homocysteine

Wernimont, A.K., Hassanali, A., Lin, L., Lew, J., Zhao, Y., Ravichandran, M., Wasney, G., Vedadi, M., Kozieradzki, I., Bochkarev, A., Edwards, A.M., Arrowsmith, C.H., Weigelt, J., Sundstrom, M., Hui, R., Qiu, W.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 52.5 kDa 
• Atom Count: 3,709 
• Modelled Residue Count: 436 
• Deposited Residue Count: 454 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Protein-L-isoaspartate O-methyltransferase beta-aspartate methyltransferase	A, B	227	Plasmodium falciparum 3D7	Mutation(s): 0  Gene Names: PF14_0309 EC: 2.1.1.77

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SAH	C [auth A], D [auth B]	S-ADENOSYL-L-HOMOCYSTEINE C14 H20 N6 O5 S ZJUKTBDSGOFHSH-WFMPWKQPSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.268 
• R-Value Work: 0.224 
• R-Value Observed: 0.226 
• Space Group: P 3₂

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 75.156	α = 90
b = 75.156	β = 90
c = 77.389	γ = 120

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-04-10 
Deposition Author(s): Wernimont, A.K., Hassanali, A., Lin, L., Lew, J., Zhao, Y., Ravichandran, M., Wasney, G., Vedadi, M., Kozieradzki, I., Bochkarev, A., Edwards, A.M., Arrowsmith, C.H., Weigelt, J., Sundstrom, M., Hui, R., Qiu, W., Structural Genomics Consortium (SGC)

Revision History  

• Version 1.0: 2007-04-10
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Source and taxonomy, Version format compliance
• Version 1.3: 2017-10-18
  Changes: Refinement description
• Version 1.4: 2023-08-30
  Changes: Data collection, Database references, Derived calculations, Refinement description