6FV0

Crystal structure of the TPR domain of KLC1 in complex with the C-terminal peptide of torsinA


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.29 Å
  • R-Value Free: 0.245 
  • R-Value Work: 0.208 
  • R-Value Observed: 0.210 

wwPDB Validation   3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

Structural basis for isoform-specific kinesin-1 recognition of Y-acidic cargo adaptors.

Pernigo, S.Chegkazi, M.S.Yip, Y.Y.Treacy, C.Glorani, G.Hansen, K.Politis, A.Bui, S.Dodding, M.P.Steiner, R.A.

(2018) Elife 7

  • DOI: 10.7554/eLife.38362
  • Primary Citation of Related Structures:  
    6FUZ, 6FV0

  • PubMed Abstract: 
  • The light chains (KLCs) of the heterotetrameric microtubule motor kinesin-1, that bind to cargo adaptor proteins and regulate its activity, have a capacity to recognize short peptides via their tetratricopeptide repeat domains (KLC TPR ). ...

    The light chains (KLCs) of the heterotetrameric microtubule motor kinesin-1, that bind to cargo adaptor proteins and regulate its activity, have a capacity to recognize short peptides via their tetratricopeptide repeat domains (KLC TPR ). Here, using X-ray crystallography, we show how kinesin-1 recognizes a novel class of adaptor motifs that we call 'Y-acidic' (tyrosine flanked by acidic residues), in a KLC-isoform-specific manner. Binding specificities of Y-acidic motifs (present in JIP1 and in TorsinA) to KLC1 TPR are distinct from those utilized for the recognition of W-acidic motifs, found in adaptors, that are KLC-isoform non-selective. However, a partial overlap on their receptor-binding sites implies that adaptors relying on Y-acidic and W-acidic motifs must act independently. We propose a model to explain why these two classes of motifs that bind to the concave surface of KLC TPR with similar low micromolar affinity can exhibit different capacities to promote kinesin-1 activity.


    Related Citations: 
    • Structural basis for kinesin-1:cargo recognition.
      Pernigo, S., Lamprecht, A., Steiner, R.A., Dodding, M.P.
      (2013) Science 340: 356

    Organizational Affiliation

    Randall Centre of Cell and Molecular Biophysics, Faculty of Life Sciences and Medicine, King's College London, London, United Kingdom.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Kinesin light chain 1,Torsin-1AA338Mus musculusMutation(s): 0 
Gene Names: Klc1Kns2
EC: 3.6.4
Find proteins for O88447 (Mus musculus)
Explore O88447 
Go to UniProtKB:  O88447
Find proteins for Q9ER39 (Mus musculus)
Explore Q9ER39 
Go to UniProtKB:  Q9ER39
NIH Common Fund Data Resources
Protein Feature View
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  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
nanobodyF121Lama glamaMutation(s): 0 
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
PEG
Query on PEG

Download CCD File 
A
DI(HYDROXYETHYL)ETHER
C4 H10 O3
MTHSVFCYNBDYFN-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.29 Å
  • R-Value Free: 0.245 
  • R-Value Work: 0.208 
  • R-Value Observed: 0.210 
  • Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 106.04α = 90
b = 89.68β = 98
c = 50.99γ = 90
Software Package:
Software NamePurpose
BUSTERrefinement
DIALSdata reduction
DIALSdata scaling
PHASERphasing

Structure Validation

View Full Validation Report



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
Biotechnology and Biological Sciences Research CouncilUnited KingdomBB/L006774/1

Revision History 

  • Version 1.0: 2018-03-28
    Type: Initial release
  • Version 1.1: 2019-09-18
    Changes: Data collection, Database references