5AIF

Discovery and characterization of thermophilic limonene-1,2-epoxide hydrolases from hot spring metagenomic libraries. Tomsk-sample-Native


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.26 Å
  • R-Value Free: 0.138 
  • R-Value Work: 0.117 

wwPDB Validation 3D Report Full Report


This is version 1.3 of the entry. See complete history

Literature

Discovery and Characterization of Thermophilic Limonene-1,2-Epoxide Hydrolases from Hot Spring Metagenomic Libraries

Ferrandi, E.E.Sayer, C.Isupov, M.N.Annovazzi, C.Marchesi, C.Iacobone, G.Peng, X.Bonch-Osmolovskaya, E.Wohlgemuth, R.Littlechild, J.A.Montia, D.

(2015) FEBS J. 282: 2879

  • DOI: 10.1111/febs.13328
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • The epoxide hydrolases (EHs) represent an attractive option for the synthesis of chiral epoxides and 1,2-diols which are valuable building blocks for the synthesis of several pharmaceutical compounds. A metagenomic approach has been used to identify ...

    The epoxide hydrolases (EHs) represent an attractive option for the synthesis of chiral epoxides and 1,2-diols which are valuable building blocks for the synthesis of several pharmaceutical compounds. A metagenomic approach has been used to identify two new members of the atypical EH limonene-1,2-epoxide hydrolase (LEH) family of enzymes. These two LEHs (Tomsk-LEH and CH55-LEH) show EH activities towards different epoxide substrates, differing in most cases from those previously identified for Rhodococcus erythropolis (Re-LEH) in terms of stereoselectivity. Tomsk-LEH and CH55-LEH, both from thermophilic sources, have higher optimal temperatures and apparent melting temperatures than Re-LEH. The new LEH enzymes have been crystallized and their structures solved to high resolution in the native form and in complex with the inhibitor valpromide for Tomsk-LEH and poly(ethylene glycol) for CH55-LEH. The structural analysis has provided insights into the LEH mechanism, substrate specificity and stereoselectivity of these new LEH enzymes, which has been supported by mutagenesis studies.


    Organizational Affiliation

    Istituto di Chimica del Riconoscimento Molecolare, C.N.R., Milano, Italy.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
LIMONENE-1,2-EPOXIDE HYDROLASE
A, B
125N/AMutation(s): 0 
Protein Feature View is not available: No corresponding UniProt sequence found.
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
IMD
Query on IMD

Download SDF File 
Download CCD File 
A, B
IMIDAZOLE
C3 H5 N2
RAXXELZNTBOGNW-UHFFFAOYSA-O
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.26 Å
  • R-Value Free: 0.138 
  • R-Value Work: 0.117 
  • Space Group: P 65
Unit Cell:
Length (Å)Angle (°)
a = 96.370α = 90.00
b = 96.370β = 90.00
c = 57.810γ = 120.00
Software Package:
Software NamePurpose
MOLREPphasing
REFMACrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2015-06-17
    Type: Initial release
  • Version 1.1: 2015-07-22
    Type: Database references
  • Version 1.2: 2015-08-12
    Type: Database references
  • Version 1.3: 2017-09-13
    Type: Data collection