6BZD

Structure of 14-3-3 gamma R57E mutant bound to GlcNAcylated peptide


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.67 Å
  • R-Value Free: 0.281 
  • R-Value Work: 0.246 

wwPDB Validation 3D Report Full Report


This is version 1.3 of the entry. See complete history

Literature

Structural basis of O-GlcNAc recognition by mammalian 14-3-3 proteins.

Toleman, C.A.Schumacher, M.A.Yu, S.H.Zeng, W.Cox, N.J.Smith, T.J.Soderblom, E.J.Wands, A.M.Kohler, J.J.Boyce, M.

(2018) Proc. Natl. Acad. Sci. U.S.A. 115: 5956-5961

  • DOI: 10.1073/pnas.1722437115

  • PubMed Abstract: 
  • O-GlcNAc is an intracellular posttranslational modification that governs myriad cell biological processes and is dysregulated in human diseases. Despite this broad pathophysiological significance, the biochemical effects of most O-GlcNAcylation event ...

    O-GlcNAc is an intracellular posttranslational modification that governs myriad cell biological processes and is dysregulated in human diseases. Despite this broad pathophysiological significance, the biochemical effects of most O-GlcNAcylation events remain uncharacterized. One prevalent hypothesis is that O-GlcNAc moieties may be recognized by "reader" proteins to effect downstream signaling. However, no general O-GlcNAc readers have been identified, leaving a considerable gap in the field. To elucidate O-GlcNAc signaling mechanisms, we devised a biochemical screen for candidate O-GlcNAc reader proteins. We identified several human proteins, including 14-3-3 isoforms, that bind O-GlcNAc directly and selectively. We demonstrate that 14-3-3 proteins bind O-GlcNAc moieties in human cells, and we present the structures of 14-3-3β/α and γ bound to glycopeptides, providing biophysical insights into O-GlcNAc-mediated protein-protein interactions. Because 14-3-3 proteins also bind to phospho-serine and phospho-threonine, they may integrate information from O-GlcNAc and O-phosphate signaling pathways to regulate numerous physiological functions.


    Organizational Affiliation

    Department of Biochemistry, Duke University School of Medicine, Durham, NC 27710.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
14-3-3 protein gamma
A, B, C, D
246Homo sapiensMutation(s): 1 
Gene Names: YWHAG
Find proteins for P61981 (Homo sapiens)
Go to Gene View: YWHAG
Go to UniProtKB:  P61981
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
GlcNAcylated peptide
G, K
20N/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
NAG
Query on NAG

Download SDF File 
Download CCD File 
G, K
N-ACETYL-D-GLUCOSAMINE
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.67 Å
  • R-Value Free: 0.281 
  • R-Value Work: 0.246 
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 76.366α = 90.00
b = 60.000β = 90.50
c = 125.786γ = 90.00
Software Package:
Software NamePurpose
PHASERphasing
PHENIXrefinement
SCALAdata scaling
MOSFLMdata reduction
PDB_EXTRACTdata extraction

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

  • Deposited Date: 2017-12-22 
  • Released Date: 2018-05-09 
  • Deposition Author(s): Schumacher, M.A.

Revision History 

  • Version 1.0: 2018-05-09
    Type: Initial release
  • Version 1.1: 2018-05-23
    Type: Data collection, Database references
  • Version 1.2: 2018-06-06
    Type: Data collection, Database references
  • Version 1.3: 2018-06-20
    Type: Data collection, Database references