3REO

Monolignol O-methyltransferase (MOMT)

• PDB DOI: https://doi.org/10.2210/pdb3REO/pdb

• Classification: TRANSFERASE
• Organism(s): Clarkia breweri
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2011-04-04 Released: 2012-03-14 
• Deposition Author(s): Bhuiya, M.W., Liu, C.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.232 
• R-Value Work: 0.188 
• R-Value Observed: 0.190 

Starting Model: experimental

Literature

Monolignol O-methyltransferase (MOMT)

Bhuiya, M.W., Liu, C.J.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Macromolecule Content

• Total Structure Weight: 162.01 kDa 
• Atom Count: 11,187 
• Modelled Residue Count: 1,417 
• Deposited Residue Count: 1,472 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
(Iso)eugenol O-methyltransferase	A, B, C, D	368	Clarkia breweri	Mutation(s): 3  Gene Names: IEMT1 EC: 2.1.1.146
UniProt
Find proteins for O04385 (Clarkia breweri) Explore O04385  Go to UniProtKB:  O04385

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SAH	E [auth A], G [auth B], I [auth C], K [auth D]	S-ADENOSYL-L-HOMOCYSTEINE C14 H20 N6 O5 S ZJUKTBDSGOFHSH-WFMPWKQPSA-N
EUG	F [auth B], H [auth C], J [auth D]	2-methoxy-4-[(1E)-prop-1-en-1-yl]phenol C10 H12 O2 BJIOGJUNALELMI-ONEGZZNKSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.232 
• R-Value Work: 0.188 
• R-Value Observed: 0.190 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 66.241	α = 90
b = 150.754	β = 92.67
c = 68.302	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
MOLREP	phasing
CNS	refinement
HKL-2000	data collection
PROCESS	data reduction
HKL-3000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-03-14 
Deposition Author(s): Bhuiya, M.W., Liu, C.J.

Revision History  

• Version 1.0: 2012-03-14
  Type: Initial release
  
• Version 1.1: 2019-07-17
  Changes: Data collection, Refinement description
• Version 1.2: 2023-09-13
  Changes: Data collection, Database references, Derived calculations, Refinement description