3P3Z

Crystal Structure of the Cytochrome P450 Monooxygenase AurH from Streptomyces Thioluteus in Complex with Ancymidol


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.231 
  • R-Value Work: 0.183 

wwPDB Validation 3D Report Full Report


This is version 1.3 of the entry. See complete history

Literature

Structural fine-tuning of a multifunctional cytochrome p450 monooxygenase.

Zocher, G.Richter, M.E.Mueller, U.Hertweck, C.

(2011) J.Am.Chem.Soc. 133: 2292-2302

  • DOI: 10.1021/ja110146z
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • AurH is a unique cytochrome P450 monooxygenase catalyzing the stepwise formation of a homochiral oxygen heterocycle, a key structural and pharmacophoric component of the antibiotic aureothin. The exceptional enzymatic reaction involves a tandem oxyge ...

    AurH is a unique cytochrome P450 monooxygenase catalyzing the stepwise formation of a homochiral oxygen heterocycle, a key structural and pharmacophoric component of the antibiotic aureothin. The exceptional enzymatic reaction involves a tandem oxygenation process including a regio- and stereospecific hydroxylation, followed by heterocyclization. For the structural and biochemical basis of this unparalleled sequence, four crystal structures of AurH variants in different conformational states and in complex with the P450 inhibitor ancymidol were solved, which represent the first structures of the CYP151A group. Structural data in conjunction with computational docking, site-directed mutagenesis, and chemical analyses unveiled a switch function when recognizing the two substrates, deoxyaureothin and the hydroxylated intermediate, thus allowing the second oxygenation-heterocyclization step. Furthermore, we were able to modify the chemo- and regioselectivity of AurH, yielding mutants that catalyze the regioselective six-electron transfer of a nonactivated methyl group to a carboxylic acid via hydroxyl and aldehyde intermediates.


    Organizational Affiliation

    Interfakultäres Institut für Biochemie, Eberhard Karls Universität Tübingen, Hoppe-Seyler-Str. 4, 72074 Tübingen, Germany. georg.zocher@uni-tuebingen.de




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Cytochrome P450
A
416Streptomyces thioluteusMutation(s): 0 
Gene Names: aurH
Find proteins for Q70KH6 (Streptomyces thioluteus)
Go to UniProtKB:  Q70KH6
Small Molecules
Ligands 4 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
P3Z
Query on P3Z

Download SDF File 
Download CCD File 
A
(S)-cyclopropyl(4-methoxyphenyl)pyrimidin-5-ylmethanol
C15 H16 N2 O2
HUTDUHSNJYTCAR-HNNXBMFYSA-N
 Ligand Interaction
CL
Query on CL

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Download CCD File 
A
CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
 Ligand Interaction
GOL
Query on GOL

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Download CCD File 
A
GLYCEROL
GLYCERIN; PROPANE-1,2,3-TRIOL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
 Ligand Interaction
HEM
Query on HEM

Download SDF File 
Download CCD File 
A
PROTOPORPHYRIN IX CONTAINING FE
HEME
C34 H32 Fe N4 O4
KABFMIBPWCXCRK-RGGAHWMASA-L
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.231 
  • R-Value Work: 0.183 
  • Space Group: H 3
Unit Cell:
Length (Å)Angle (°)
a = 129.370α = 90.00
b = 129.370β = 90.00
c = 71.070γ = 120.00
Software Package:
Software NamePurpose
XDSdata reduction
REFMACrefinement
MAR345dtbdata collection
XSCALEdata scaling
REFMACphasing

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2011-02-16
    Type: Initial release
  • Version 1.1: 2011-07-13
    Type: Version format compliance
  • Version 1.2: 2017-11-08
    Type: Refinement description
  • Version 1.3: 2018-03-21
    Type: Data collection