5ERS

GephE in complex with Mg(2+) - AMP


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.70 Å
  • R-Value Free: 0.178 
  • R-Value Work: 0.153 
  • R-Value Observed: 0.155 

Starting Model: experimental
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Ligand Structure Quality Assessment 


This is version 1.2 of the entry. See complete history


Literature

Structural Framework for Metal Incorporation during Molybdenum Cofactor Biosynthesis.

Kasaragod, V.B.Schindelin, H.

(2016) Structure 24: 782-788

  • DOI: https://doi.org/10.1016/j.str.2016.02.023
  • Primary Citation of Related Structures:  
    5ERQ, 5ERR, 5ERS, 5ERT, 5ERU, 5ERV

  • PubMed Abstract: 

    The molybdenum cofactor (Moco) is essential for the catalytic activity of all molybdenum-containing enzymes with the exception of nitrogenase. Moco biosynthesis follows an evolutionarily highly conserved pathway and genetic deficiencies in the corresponding human enzymes result in Moco deficiency, which manifests itself in severe neurological symptoms and death in childhood. In humans the final steps of Moco biosynthesis are catalyzed by gephyrin, specifically the penultimate adenylation of molybdopterin (MPT) by its N-terminal G domain (GephG) and the final metal incorporation by its C-terminal E domain (GephE). To better understand the poorly defined molecular framework of this final step, we determined high-resolution crystal structures of GephE in the apo state and in complex with ADP, AMP, and molybdate. Our data provide novel insights into the catalytic steps leading to final Moco maturation, namely deadenylation as well as molybdate binding and insertion.


  • Organizational Affiliation

    Rudolf Virchow Center for Experimental Biomedicine, Institute of Structural Biology, University of Würzburg, Josef-Schneider-Straße 2, 97080 Würzburg, Germany.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Gephyrin419Rattus norvegicusMutation(s): 0 
Gene Names: GphnGph
EC: 2.7.7.75 (PDB Primary Data), 2.10.1.1 (PDB Primary Data)
UniProt
Find proteins for Q03555 (Rattus norvegicus)
Explore Q03555 
Go to UniProtKB:  Q03555
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ03555
Sequence Annotations
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  • Reference Sequence
Small Molecules
Ligands 5 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
AMP
Query on AMP

Download Ideal Coordinates CCD File 
B [auth A]ADENOSINE MONOPHOSPHATE
C10 H14 N5 O7 P
UDMBCSSLTHHNCD-KQYNXXCUSA-N
MPD
Query on MPD

Download Ideal Coordinates CCD File 
H [auth A],
I [auth A],
J [auth A]
(4S)-2-METHYL-2,4-PENTANEDIOL
C6 H14 O2
SVTBMSDMJJWYQN-YFKPBYRVSA-N
PO4
Query on PO4

Download Ideal Coordinates CCD File 
G [auth A]PHOSPHATE ION
O4 P
NBIIXXVUZAFLBC-UHFFFAOYSA-K
ACT
Query on ACT

Download Ideal Coordinates CCD File 
D [auth A],
E [auth A],
F [auth A]
ACETATE ION
C2 H3 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-M
MG
Query on MG

Download Ideal Coordinates CCD File 
C [auth A]MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.70 Å
  • R-Value Free: 0.178 
  • R-Value Work: 0.153 
  • R-Value Observed: 0.155 
  • Space Group: I 2 2 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 87.002α = 90
b = 99.278β = 90
c = 112.791γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement
XDSdata reduction
Aimlessdata scaling
PHASERphasing

Structure Validation

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Ligand Structure Quality Assessment 


Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
German Research FoundationGermanySchi425/8-1

Revision History  (Full details and data files)

  • Version 1.0: 2016-05-04
    Type: Initial release
  • Version 1.1: 2016-05-11
    Changes: Database references
  • Version 1.2: 2024-01-10
    Changes: Author supporting evidence, Data collection, Database references, Derived calculations, Refinement description