3L4O

Crystal Structure of the MauG/pre-Methylamine Dehydrogenase Complex After Treatment with Hydrogen Peroxide


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.05 Å
  • R-Value Free: 0.194 
  • R-Value Work: 0.142 
  • R-Value Observed: 0.145 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

In crystallo posttranslational modification within a MauG/pre-methylamine dehydrogenase complex.

Jensen, L.M.Sanishvili, R.Davidson, V.L.Wilmot, C.M.

(2010) Science 327: 1392-1394

  • DOI: 10.1126/science.1182492
  • Primary Citation of Related Structures:  
    3L4M, 3L4O

  • PubMed Abstract: 
  • MauG is a diheme enzyme responsible for the posttranslational modification of two tryptophan residues to form the tryptophan tryptophylquinone (TTQ) cofactor of methylamine dehydrogenase (MADH). MauG converts preMADH, containing monohydroxylated betaTrp57, to fully functional MADH by catalyzing the insertion of a second oxygen atom into the indole ring and covalently linking betaTrp57 to betaTrp108 ...

    MauG is a diheme enzyme responsible for the posttranslational modification of two tryptophan residues to form the tryptophan tryptophylquinone (TTQ) cofactor of methylamine dehydrogenase (MADH). MauG converts preMADH, containing monohydroxylated betaTrp57, to fully functional MADH by catalyzing the insertion of a second oxygen atom into the indole ring and covalently linking betaTrp57 to betaTrp108. We have solved the x-ray crystal structure of MauG complexed with preMADH to 2.1 angstroms. The c-type heme irons and the nascent TTQ site are separated by long distances over which electron transfer must occur to achieve catalysis. In addition, one of the hemes has an atypical His-Tyr axial ligation. The crystalline protein complex is catalytically competent; upon addition of hydrogen peroxide, MauG-dependent TTQ synthesis occurs.


    Organizational Affiliation

    Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, MN 55455, USA.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Methylamine utilization protein mauG AB373Paracoccus denitrificans PD1222Mutation(s): 0 
Gene Names: mauGPden_4736
EC: 1
Find proteins for Q51658 (Paracoccus denitrificans (strain Pd 1222))
Explore Q51658 
Go to UniProtKB:  Q51658
Protein Feature View
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  • Reference Sequence
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Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
Methylamine dehydrogenase light chain CE137Paracoccus denitrificans PD1222Mutation(s): 0 
Gene Names: mauAPden_4733
EC: 1.4.99.3 (PDB Primary Data), 1.4.9.1 (UniProt)
Find proteins for A1BBA0 (Paracoccus denitrificans (strain Pd 1222))
Explore A1BBA0 
Go to UniProtKB:  A1BBA0
Protein Feature View
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  • Reference Sequence
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Entity ID: 3
MoleculeChainsSequence LengthOrganismDetailsImage
Methylamine dehydrogenase heavy chain DF386Paracoccus denitrificans PD1222Mutation(s): 0 
Gene Names: Pden_4730
EC: 1.4.99.3 (PDB Primary Data), 1.4.9.1 (UniProt)
Find proteins for A1BB97 (Paracoccus denitrificans (strain Pd 1222))
Explore A1BB97 
Go to UniProtKB:  A1BB97
Protein Feature View
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  • Reference Sequence
Small Molecules
Modified Residues  1 Unique
IDChainsTypeFormula2D DiagramParent
TRQ
Query on TRQ
C,EL-PEPTIDE LINKINGC11 H10 N2 O4TRP
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.05 Å
  • R-Value Free: 0.194 
  • R-Value Work: 0.142 
  • R-Value Observed: 0.145 
  • Space Group: P 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 55.527α = 109.94
b = 83.524β = 91.54
c = 107.782γ = 105.78
Software Package:
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
Blu-Icedata collection
HKL-2000data reduction
HKL-2000data scaling

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2010-03-23
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Advisory, Version format compliance
  • Version 1.2: 2017-11-01
    Changes: Refinement description