3OST

Structure of the Kinase Associated-1 (KA1) from Kcc4p


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.69 Å
  • R-Value Free: 0.186 
  • R-Value Work: 0.151 
  • R-Value Observed: 0.152 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Kinase Associated-1 Domains Drive MARK/PAR1 Kinases to Membrane Targets by Binding Acidic Phospholipids.

Moravcevic, K.Mendrola, J.M.Schmitz, K.R.Wang, Y.H.Slochower, D.Janmey, P.A.Lemmon, M.A.

(2010) Cell 143: 966-977

  • DOI: 10.1016/j.cell.2010.11.028
  • Primary Citation of Related Structures:  
    3OSE, 3OSM, 3OST

  • PubMed Abstract: 
  • Phospholipid-binding modules such as PH, C1, and C2 domains play crucial roles in location-dependent regulation of many protein kinases. Here, we identify the KA1 domain (kinase associated-1 domain), found at the C terminus of yeast septin-associated kinases (Kcc4p, Gin4p, and Hsl1p) and human MARK/PAR1 kinases, as a membrane association domain that binds acidic phospholipids ...

    Phospholipid-binding modules such as PH, C1, and C2 domains play crucial roles in location-dependent regulation of many protein kinases. Here, we identify the KA1 domain (kinase associated-1 domain), found at the C terminus of yeast septin-associated kinases (Kcc4p, Gin4p, and Hsl1p) and human MARK/PAR1 kinases, as a membrane association domain that binds acidic phospholipids. Membrane localization of isolated KA1 domains depends on phosphatidylserine. Using X-ray crystallography, we identified a structurally conserved binding site for anionic phospholipids in KA1 domains from Kcc4p and MARK1. Mutating this site impairs membrane association of both KA1 domains and intact proteins and reveals the importance of phosphatidylserine for bud neck localization of yeast Kcc4p. Our data suggest that KA1 domains contribute to "coincidence detection," allowing kinases to bind other regulators (such as septins) only at the membrane surface. These findings have important implications for understanding MARK/PAR1 kinases, which are implicated in Alzheimer's disease, cancer, and autism.


    Organizational Affiliation

    Department of Biochemistry and Biophysics, University of Pennsylvania School of Medicine, Philadelphia, 19104, USA.



Macromolecules
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Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
serine/threonine-protein kinase KCC4A128Saccharomyces cerevisiaeMutation(s): 0 
Gene Names: KCC4YCL024WYCL24W
EC: 2.7.11.1
UniProt
Find proteins for P25389 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P25389 
Go to UniProtKB:  P25389
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP25389
Protein Feature View
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  • Reference Sequence
Small Molecules
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.69 Å
  • R-Value Free: 0.186 
  • R-Value Work: 0.151 
  • R-Value Observed: 0.152 
  • Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 29.373α = 90
b = 59.559β = 91.84
c = 37.566γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement
SHELXmodel building
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling
SHELXphasing
HKL-2000data collection

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2010-12-22
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance
  • Version 1.2: 2019-07-17
    Changes: Data collection, Refinement description