5YYZ

Crystal structure of the MEK1 FHA domain in complex with the HOP1 pThr318 peptide.


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.80 Å
  • R-Value Free: 0.223 
  • R-Value Work: 0.188 
  • R-Value Observed: 0.190 

wwPDB Validation   3D Report Full Report


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Literature

Structural insights into the recognition of phosphorylated Hop1 by Mek1

Xie, C.He, C.Jiang, Y.Yu, H.Cheng, L.Nshogoza, G.Ala, M.S.Tian, C.Wu, J.Shi, Y.Li, F.

(2018) Acta Crystallogr D Struct Biol 74: 1027-1038

  • DOI: 10.1107/S2059798318011993
  • Primary Citation of Related Structures:  
    5YYX, 5YYZ

  • PubMed Abstract: 
  • The FHA domain-containing protein Mek1 is a meiosis-specific kinase that is involved in the regulation of interhomolog recombination in meiosis in Saccharomyces cerevisiae. The recruitment and activation of Mek1 require the phosphorylation of the chromosome axis protein Hop1 at Thr318 (pT318), which is necessary for recognition by the Mek1 FHA domain ...

    The FHA domain-containing protein Mek1 is a meiosis-specific kinase that is involved in the regulation of interhomolog recombination in meiosis in Saccharomyces cerevisiae. The recruitment and activation of Mek1 require the phosphorylation of the chromosome axis protein Hop1 at Thr318 (pT318), which is necessary for recognition by the Mek1 FHA domain. Here, crystal structures of the Mek1 FHA domain in the apo state and in complex with the Hop1 pT318 peptide are presented, demonstrating that the hydrophobic residues Phe320 and Val321 at the pT+2 and pT+3 positions in the ligand contribute to the preferential recognition. It was further found that in Schizosaccharomyces pombe Mek1 FHA binds both pT15 in its N-terminal SQ/TQ cluster domain (SCD) and pT270 in the Hop1 SCD. The results revealed the structural basis for the preferential recognition of phosphorylated Hop1 by Mek1 in S. cerevisiae and facilitate the understanding of the interaction between the S. pombe Mek1 FHA domain and its binding targets.


    Organizational Affiliation

    Hefei National Laboratory for Physical Sciences at the Microscale, School of Life Sciences, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, People's Republic of China.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Meiosis-specific serine/threonine-protein kinase MEK1A141Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: MEK1MRE4YOR351CO6357
EC: 2.7.11.1
UniProt
Find proteins for P24719 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P24719 
Go to UniProtKB:  P24719
Protein Feature View
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  • Reference Sequence
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Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
Meiosis-specific protein HOP1B13Saccharomyces cerevisiae S288CMutation(s): 0 
Gene Names: HOP1YIL072W
UniProt
Find proteins for P20050 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P20050 
Go to UniProtKB:  P20050
Protein Feature View
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  • Reference Sequence
Small Molecules
Modified Residues  1 Unique
IDChainsTypeFormula2D DiagramParent
TPO
Query on TPO
BL-PEPTIDE LINKINGC4 H10 N O6 PTHR
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.80 Å
  • R-Value Free: 0.223 
  • R-Value Work: 0.188 
  • R-Value Observed: 0.190 
  • Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 80.64α = 90
b = 38.183β = 94.97
c = 54.418γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement
HKL-2000data scaling
PDB_EXTRACTdata extraction
HKL-2000data reduction
MOLREPphasing

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2018-10-17
    Type: Initial release