4EAL

Co-crystal of AMPK core with ATP soaked with AMP


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.51 Å
  • R-Value Free: 0.277 
  • R-Value Work: 0.232 
  • R-Value Observed: 0.235 

Starting Model: experimental
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Ligand Structure Quality Assessment 


This is version 1.3 of the entry. See complete history


Literature

AMP-activated protein kinase undergoes nucleotide-dependent conformational changes

Chen, L.Wang, J.Zhang, Y.-Y.Yan, S.F.Neumann, D.Schlattner, U.Wang, Z.-X.Wu, J.-W.

(2012) Nat Struct Mol Biol 19: 716-718

  • DOI: https://doi.org/10.1038/nsmb.2319
  • Primary Citation of Related Structures:  
    4EAG, 4EAI, 4EAJ, 4EAK, 4EAL

  • PubMed Abstract: 

    The energy sensor AMP-activated protein kinase (AMPK) is a heterotrimeric complex that is allosterically activated by AMP binding to the γ subunit. Cocrystal structures of the mammalian AMPK core reveal occlusion of nucleotide-binding site 3 of the γ subunit in the presence of ATP. However, site 3 is occupied in the presence of AMP. Mutagenesis studies indicate that sites 3 and 4 are important for AMPK allosteric activation.


  • Organizational Affiliation

    MOE Key Laboratory of Protein Sciences, Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing, China.


Macromolecules
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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
5'-AMP-activated protein kinase catalytic subunit alpha-1106Rattus norvegicusMutation(s): 0 
Gene Names: Prkaa1Ampk1
EC: 2.7.11.1 (PDB Primary Data), 2.7.11.27 (PDB Primary Data), 2.7.11.31 (PDB Primary Data), 2.7.11.26 (PDB Primary Data)
UniProt
Find proteins for P54645 (Rattus norvegicus)
Explore P54645 
Go to UniProtKB:  P54645
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP54645
Sequence Annotations
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  • Reference Sequence
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Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
5'-AMP-activated protein kinase subunit beta-172Rattus norvegicusMutation(s): 0 
Gene Names: Prkab1
UniProt
Find proteins for P80386 (Rattus norvegicus)
Explore P80386 
Go to UniProtKB:  P80386
Entity Groups  
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UniProt GroupP80386
Sequence Annotations
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  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 3
MoleculeChains Sequence LengthOrganismDetailsImage
5'-AMP-activated protein kinase subunit gamma-1330Rattus norvegicusMutation(s): 0 
Gene Names: Prkag1
UniProt
Find proteins for P80385 (Rattus norvegicus)
Explore P80385 
Go to UniProtKB:  P80385
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP80385
Sequence Annotations
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.51 Å
  • R-Value Free: 0.277 
  • R-Value Work: 0.232 
  • R-Value Observed: 0.235 
  • Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 175.85α = 90
b = 40.503β = 105.53
c = 77.738γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement
PDB_EXTRACTdata extraction
MAR345dtbdata collection
HKL-2000data reduction
HKL-2000data scaling
PHASERphasing

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2012-06-06
    Type: Initial release
  • Version 1.1: 2014-03-12
    Changes: Database references
  • Version 1.2: 2017-06-21
    Changes: Database references, Source and taxonomy, Structure summary
  • Version 1.3: 2023-11-08
    Changes: Data collection, Database references, Derived calculations, Refinement description