2KFK

Solution structure of Bem1p PB1 domain complexed with Cdc24p PB1 domain


Experimental Data Snapshot

  • Method: SOLUTION NMR
  • Conformers Calculated: 50 
  • Conformers Submitted: 20 
  • Selection Criteria: structures with the lowest energy 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

NMR structure of the heterodimer of Bem1 and Cdc24 PB1 domains from Saccharomyces cerevisiae

Ogura, K.Tandai, T.Yoshinaga, S.Kobashigawa, Y.Kumeta, H.Ito, T.Sumimoto, H.Inagaki, F.

(2009) J Biochem 146: 317-325

  • DOI: 10.1093/jb/mvp075
  • Primary Citation of Related Structures:  
    2KFK, 2KFJ

  • PubMed Abstract: 
  • Bem1 and Cdc24 of the budding yeast Saccharomyces cerevisiae interact with each other through PB1-PB1 heterodimer formation to regulate the establishment of cell polarity. Here we present the tertiary structure of the heterodimer of Bem1 and Cdc24 PB ...

    Bem1 and Cdc24 of the budding yeast Saccharomyces cerevisiae interact with each other through PB1-PB1 heterodimer formation to regulate the establishment of cell polarity. Here we present the tertiary structure of the heterodimer of Bem1 and Cdc24 PB1 domains determined by NMR spectroscopy. To avoid ambiguity in the NMR spectral analysis, we first prepared a mutant of the Cdc24 PB1 domain that had truncated loops. The mutant provided well dispersed spectra without spectral overlapping, thus allowing unambiguous spectral assignments for structure determination. We confirmed that the loop deletion-mutant was quite similar to the wild-type in both 3D structure and binding affinity. The NMR structure of the heterodimer of the deletion-mutant of Cdc24 PB1 and Bem1 PB1 was determined using a variety of isotope labelled samples including perdeuteration. The interface between the Bem1/Cdc24 PB1 heterodimer was analysed at atomic resolution. Through a comparison with the tertiary structures of other PB1-PB1 heterodimers, we found that conserved electrostatic properties on the molecular surface were commonly used for PB1-PB1 interaction, but hydrophobic interactions were important for cognate interaction in Bem1/Cdc24 PB1 heterodimer formation.


    Organizational Affiliation

    Department of Structural Biology, Graduate School of Pharmaceutical Sciences, Hokkaido University, Kita 12 Nishi 6, Kita-ku, Sapporo 060-0812, Japan.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Bud emergence protein 1A78Saccharomyces cerevisiaeMutation(s): 0 
Find proteins for P29366 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P29366 
Go to UniProtKB:  P29366
Protein Feature View
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  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
Cell division control protein 24B86Saccharomyces cerevisiaeMutation(s): 0 
Find proteins for P11433 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P11433 
Go to UniProtKB:  P11433
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: SOLUTION NMR
  • Conformers Calculated: 50 
  • Conformers Submitted: 20 
  • Selection Criteria: structures with the lowest energy 
  • OLDERADO: 2KFK Olderado

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2009-10-06
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance