1JR4

CATECHOL O-METHYLTRANSFERASE BISUBSTRATE-INHIBITOR COMPLEX

• PDB DOI: https://doi.org/10.2210/pdb1JR4/pdb

• Classification: TRANSFERASE
• Organism(s): Rattus norvegicus
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2001-08-10 Released: 2002-08-10 
• Deposition Author(s): Ruf, A., Stihle, M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.63 Å
• R-Value Free: 
  0.280 (Depositor), 0.280 (DCC) 
• R-Value Work: 
  0.223 (Depositor), 0.220 (DCC) 

Starting Model: other

Literature

X-ray Crystal Structure of a Bisubstrate Inhibitor Bound to the Enzyme Catechol-O-methyltransferase: A Dramatic Effect of Inhibitor Preorganization on Binding Affinity.

Lerner, C., Ruf, A., Gramlich, V., Masjost, B., Zurcher, G., Jakob-Roetne, R., Borroni, E., Diederich, F.

(2001) Angew Chem Int Ed Engl 40: 4040-4042

• PubMed: 12404486 
• Primary Citation of Related Structures:  
  1JR4

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Organizational Affiliation: 

Laboratorium für Organische Chemie, ETH-Zentrum Universitätstrasse 16, 8092 Zürich (Switzerland).

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 25.27 kDa 
• Atom Count: 1,723 
• Modelled Residue Count: 212 
• Deposited Residue Count: 221 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CATECHOL O-METHYLTRANSFERASE, SOLUBLE FORM	A	221	Rattus norvegicus	Mutation(s): 0  EC: 2.1.1.6
UniProt
Find proteins for P22734 (Rattus norvegicus) Explore P22734  Go to UniProtKB:  P22734

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CL4	C [auth A]	N-{3-[5-(6-AMINO-PURIN-9-YL)-3,4-DIHYDROXY-TETRAHYDRO-FURAN-2-YL]-ALLYL}-2,3-DIHYDROXY-5-NITRO-BENZAMIDE C19 H19 N7 O8 UHHBFOLQOQSPLU-WGRQDFERSA-N
MG	B [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.63 Å
• R-Value Free:  0.280 (Depositor), 0.280 (DCC) 
• R-Value Work:  0.223 (Depositor), 0.220 (DCC) 

Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 50.6	α = 90
b = 50.6	β = 90
c = 167.7	γ = 120

Software Package:

Software Name	Purpose
AMoRE	phasing
CNX	refinement
DENZO	data reduction
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2002-08-10 
Deposition Author(s): Ruf, A., Stihle, M.

Revision History  

• Version 1.0: 2002-08-10
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2024-02-07
  Changes: Data collection, Database references, Derived calculations
• Version 1.4: 2024-04-03
  Changes: Refinement description