WH domain of human MCM8

Experimental Data Snapshot

  • Resolution: 1.21 Å
  • R-Value Free: 0.146 
  • R-Value Work: 0.120 
  • R-Value Observed: 0.122 

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This is version 1.2 of the entry. See complete history


Crystal structure of the winged-helix domain of MCM8.

Zeng, H.Li, J.Xu, H.Li, H.Liu, Y.

(2020) Biochem Biophys Res Commun 526: 993-998

  • DOI: https://doi.org/10.1016/j.bbrc.2020.03.150
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 

    Minichromosome maintenance 8 (MCM8) is a recently identified member of the minichromosome maintenance family, which possesses helicase and ATPase activity. It interacts with MCM9 and participates in homologous recombination repair. The structure of MCM8 is unclear now. Here, we report the crystal structure of the winged-helix domain of human MCM8 (MCM8-WHD) at 1.21 Å resolution. MCM8-WHD adopts a conserved winged-helix architecture. Structure analysis and biochemical study results showed the DNA binding ability and crucial residues of MCM8-WHD. Our results are helpful to understand the function of MCM8.

  • Organizational Affiliation

    School of Medicine, Sun Yat-Sen University, Guangzhou, 510275, China.

Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
DNA helicase MCM881Homo sapiensMutation(s): 0 
Gene Names: MCM8C20orf154
UniProt & NIH Common Fund Data Resources
Find proteins for Q9UJA3 (Homo sapiens)
Explore Q9UJA3 
Go to UniProtKB:  Q9UJA3
GTEx:  ENSG00000125885 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ9UJA3
Sequence Annotations
  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Resolution: 1.21 Å
  • R-Value Free: 0.146 
  • R-Value Work: 0.120 
  • R-Value Observed: 0.122 
  • Space Group: P 61
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 52.062α = 90
b = 52.062β = 90
c = 50.468γ = 120
Software Package:
Software NamePurpose
HKL-3000data reduction
SCALEPACKdata scaling

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2020-04-29
    Type: Initial release
  • Version 1.1: 2020-06-03
    Changes: Database references
  • Version 1.2: 2024-03-27
    Changes: Data collection, Database references