4NPL

Crystal structure of Zebrafish ALKBH5 in complex with alpha-ketoglutarate


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.65 Å
  • R-Value Free: 0.238 
  • R-Value Work: 0.209 
  • R-Value Observed: 0.210 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Crystal structure of the RNA demethylase ALKBH5 from zebrafish.

Chen, W.Zhang, L.Zheng, G.Fu, Y.Ji, Q.Liu, F.Chen, H.He, C.

(2014) FEBS Lett 588: 892-898

  • DOI: https://doi.org/10.1016/j.febslet.2014.02.021
  • Primary Citation of Related Structures:  
    4NPL, 4NPM

  • PubMed Abstract: 

    ALKBH5, a member of AlkB family proteins, has been reported as a mammalian N(6)-methyladenosine (m(6)A) RNA demethylase. Here we report the crystal structure of zebrafish ALKBH5 (fALKBH5) with the resolution of 1.65Å. Structural superimposition shows that fALKBH5 is comprised of a conserved jelly-roll motif. However, it possesses a loop that interferes potential binding of a duplex nucleic acid substrate, suggesting an important role in substrate selection. In addition, several active site residues are different between the two known m(6)A RNA demethylases, ALKBH5 and FTO, which may result in their slightly different pathways of m(6)A demethylation.


  • Organizational Affiliation

    Department of Chemical Physics, University of Science and Technology of China, Hefei, Anhui 230026, China; Department of Chemistry and Institute for Biophysical Dynamics, The University of Chicago, 929 E. 57th Street, Chicago, IL 60637, USA; Coordination Chemistry Institute and the State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
RNA demethylase ALKBH5
A, B
250Danio rerioMutation(s): 0 
Gene Names: alkbh5
EC: 1.14.11
UniProt
Find proteins for Q08BA6 (Danio rerio)
Explore Q08BA6 
Go to UniProtKB:  Q08BA6
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ08BA6
Sequence Annotations
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.65 Å
  • R-Value Free: 0.238 
  • R-Value Work: 0.209 
  • R-Value Observed: 0.210 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 65.948α = 90
b = 68.595β = 90
c = 114.909γ = 90
Software Package:
Software NamePurpose
HKL-2000data collection
PHASESphasing
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2014-02-19
    Type: Initial release
  • Version 1.1: 2014-04-02
    Changes: Database references
  • Version 1.2: 2024-02-28
    Changes: Data collection, Database references, Derived calculations