1D6U

CRYSTAL STRUCTURE OF E. COLI AMINE OXIDASE ANAEROBICALLY REDUCED WITH BETA-PHENYLETHYLAMINE


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Free: 0.239 
  • R-Value Work: 0.181 

wwPDB Validation 3D Report Full Report


This is version 1.3 of the entry. See complete history

Literature

Visualization of dioxygen bound to copper during enzyme catalysis.

Wilmot, C.M.Hajdu, J.McPherson, M.J.Knowles, P.F.Phillips, S.E.

(1999) Science 286: 1724-1728

  • Primary Citation of Related Structures:  1D6Y, 1D6Z

  • PubMed Abstract: 
  • X-ray crystal structures of three species related to the oxidative half of the reaction of the copper-containing quinoprotein amine oxidase from Escherichia coli have been determined. Crystals were freeze-trapped either anaerobically or aerobically a ...

    X-ray crystal structures of three species related to the oxidative half of the reaction of the copper-containing quinoprotein amine oxidase from Escherichia coli have been determined. Crystals were freeze-trapped either anaerobically or aerobically after exposure to substrate, and structures were determined to resolutions between 2.1 and 2.4 angstroms. The oxidation state of the quinone cofactor was investigated by single-crystal spectrophotometry. The structures reveal the site of bound dioxygen and the proton transfer pathways involved in oxygen reduction. The quinone cofactor is regenerated from the iminoquinone intermediate by hydrolysis involving Asp383, the catalytic base in the reductive half-reaction. Product aldehyde inhibits the hydrolysis, making release of product the rate-determining step of the reaction in the crystal.


    Related Citations: 
    • Crystal Structure of a Quinoenzyme: Copper Amine Oxidase of Escherichia coli at 2 Angstroms Resolution.
      Parsons, M.R.,Convery, M.A.,Wilmot, C.M.,Yadav, K.D.S.,Blakeley, V.,Corner, A.S.,Phillips, S.E.,McPherson, M.J.,Knowles, P.F.
      (1995) Structure 3: 1171
    • The Active Site Base Controls Cofactor Reactivity in Escherichia coli Amine Oxidase: X-ray Crystallographic Studies with Mutational Variants.
      Murray, J.M.,Saysell, C.G.,Wilmot, C.M.,Tambyrajah, W.S.,Jaeger, J.,Knowles, P.F.,Phillips, S.E.,McPherson, M.J.
      (1999) Biochemistry 38: 8217
    • Catalytic Mechanism of the Quinoenzyme Amine Oxidase from Escherichia coli: Exploring the Reductive Half-Reaction.
      Wilmot, C.M.,Murray, J.M.,Alton, G.,Parsons, M.R.,Convery, M.A.,Blakeley, V.,Corner, A.S.,Palcic, M.M.,Knowles, P.F.,McPherson, M.J.,Knowles, P.F.
      (1997) Biochemistry 36: 1608


    Organizational Affiliation

    Astbury Centre for Structural Molecular Biology, School of Biochemistry and Molecular Biology, University of Leeds, Leeds LS2 9JT, UK.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
COPPER AMINE OXIDASE
A, B
727Escherichia coli (strain K12)Gene Names: tynA (maoA)
EC: 1.4.3.21
Find proteins for P46883 (Escherichia coli (strain K12))
Go to UniProtKB:  P46883
Small Molecules
Ligands 5 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
PEA
Query on PEA

Download SDF File 
Download CCD File 
A
2-PHENYLETHYLAMINE
C8 H12 N
BHHGXPLMPWCGHP-UHFFFAOYSA-O
 Ligand Interaction
HY1
Query on HY1

Download SDF File 
Download CCD File 
A, B
PHENYLACETALDEHYDE
C8 H8 O
DTUQWGWMVIHBKE-UHFFFAOYSA-N
 Ligand Interaction
GOL
Query on GOL

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

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Download CCD File 
A, B
CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
 Ligand Interaction
CU
Query on CU

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Download CCD File 
A, B
COPPER (II) ION
Cu
JPVYNHNXODAKFH-UHFFFAOYSA-N
 Ligand Interaction
Modified Residues  1 Unique
IDChainsTypeFormula2D DiagramParent
TYQ
Query on TYQ
A, B
L-PEPTIDE LINKINGC9 H12 N2 O4TYR
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Free: 0.239 
  • R-Value Work: 0.181 
  • Space Group: P 21 21 21
Unit Cell:
Length (Å)Angle (°)
a = 135.236α = 90.00
b = 166.482β = 90.00
c = 79.628γ = 90.00
Software Package:
Software NamePurpose
CCP4data scaling
MOSFLMdata reduction
CNSphasing
CNSrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2000-02-02
    Type: Initial release
  • Version 1.1: 2008-04-27
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Non-polymer description, Version format compliance
  • Version 1.3: 2018-01-31
    Type: Experimental preparation