1IA0

KIF1A HEAD-MICROTUBULE COMPLEX STRUCTURE IN ATP-FORM


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 15 Å
  • Aggregation State: FILAMENT 
  • Reconstruction Method: HELICAL 

wwPDB Validation 3D Report Full Report


This is version 1.4 of the entry. See complete history

Literature

Switch-based Mechanism of Kinesin Motors

Kikkawa, M.Sablin, E.P.Okada, Y.Yajima, H.Fletterick, R.J.Hirokawa, N.

(2001) Nature 411: 439-445

  • DOI: 10.1038/35078000
  • Primary Citation of Related Structures:  1I5S, 1I6I

  • PubMed Abstract: 
  • Kinesin motors are specialized enzymes that use hydrolysis of ATP to generate force and movement along their cellular tracks, the microtubules. Although numerous biochemical and biophysical studies have accumulated much data that link microtubule-ass ...

    Kinesin motors are specialized enzymes that use hydrolysis of ATP to generate force and movement along their cellular tracks, the microtubules. Although numerous biochemical and biophysical studies have accumulated much data that link microtubule-assisted ATP hydrolysis to kinesin motion, the structural view of kinesin movement remains unclear. This study of the monomeric kinesin motor KIF1A combines X-ray crystallography and cryo-electron microscopy, and allows analysis of force-generating conformational changes at atomic resolution. The motor is revealed in its two functionally critical states-complexed with ADP and with a non-hydrolysable analogue of ATP. The conformational change observed between the ADP-bound and the ATP-like structures of the KIF1A catalytic core is modular, extends to all kinesins and is similar to the conformational change used by myosin motors and G proteins. Docking of the ADP-bound and ATP-like crystallographic models of KIF1A into the corresponding cryo-electron microscopy maps suggests a rationale for the plus-end directional bias associated with the kinesin catalytic core.


    Related Citations: 
    • 15 Angstrom Resolution Model of the Monomeric Kinesin Motor, KIF1A
      Kikkawa, M.,Okada, Y.,Hirokawa, N.
      (2000) Cell 100: 241


    Organizational Affiliation

    Department of Cell Biology and Anatomy, Graduate School of Medicine, University of Tokyo, 7-3-1 Hongo Bunkyo-ku, Tokyo 113-0033, Japan.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
TUBULIN ALPHA CHAIN
A
451Sus scrofaGene Names: TUBA1A
Find proteins for P02550 (Sus scrofa)
Go to Gene View: TUBA1A
Go to UniProtKB:  P02550
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
TUBULIN BETA CHAIN
B
445Sus scrofaN/A
Find proteins for P02554 (Sus scrofa)
Go to UniProtKB:  P02554
Entity ID: 3
MoleculeChainsSequence LengthOrganismDetails
KINESIN-LIKE PROTEIN KIF1A
K
394Mus musculusGene Names: Kif1a (Atsv, Kif1)
Find proteins for P33173 (Mus musculus)
Go to UniProtKB:  P33173
Small Molecules
Ligands 5 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
GDP
Query on GDP

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Download CCD File 
B
GUANOSINE-5'-DIPHOSPHATE
C10 H15 N5 O11 P2
QGWNDRXFNXRZMB-UUOKFMHZSA-N
 Ligand Interaction
TXL
Query on TXL

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Download CCD File 
B
TAXOTERE
C43 H53 N O14
ZDZOTLJHXYCWBA-VCVYQWHSSA-N
 Ligand Interaction
GTP
Query on GTP

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Download CCD File 
A
GUANOSINE-5'-TRIPHOSPHATE
C10 H16 N5 O14 P3
XKMLYUALXHKNFT-UUOKFMHZSA-N
 Ligand Interaction
MG
Query on MG

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Download CCD File 
K
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
 Ligand Interaction
ACP
Query on ACP

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Download CCD File 
K
PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER
ADENOSINE-5'-[BETA, GAMMA-METHYLENE]TRIPHOSPHATE
C11 H18 N5 O12 P3
UFZTZBNSLXELAL-IOSLPCCCSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 15 Å
  • Aggregation State: FILAMENT 
  • Reconstruction Method: HELICAL 

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2002-03-22
    Type: Initial release
  • Version 1.1: 2008-04-27
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance
  • Version 1.3: 2016-04-27
    Type: Other
  • Version 1.4: 2017-10-04
    Type: Refinement description