4HNA

Kinesin motor domain in the ADP-MG-ALFX state in complex with tubulin and a DARPIN


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.19 Å
  • R-Value Free: 0.211 
  • R-Value Work: 0.177 
  • R-Value Observed: 0.178 

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Ligand Structure Quality Assessment 


This is version 1.2 of the entry. See complete history


Literature

Structure of a kinesin-tubulin complex and implications for kinesin motility.

Gigant, B.Wang, W.Dreier, B.Jiang, Q.Pecqueur, L.Pluckthun, A.Wang, C.Knossow, M.

(2013) Nat Struct Mol Biol 20: 1001-1007

  • DOI: 10.1038/nsmb.2624
  • Primary Citation of Related Structures:  
    4HNA

  • PubMed Abstract: 
  • The typical function of kinesins is to transport cargo along microtubules. Binding of ATP to microtubule-attached motile kinesins leads to cargo displacement. To better understand the nature of the conformational changes that lead to the power stroke that moves a kinesin's load along a microtubule, we determined the X-ray structure of human kinesin-1 bound to αβ-tubulin ...

    The typical function of kinesins is to transport cargo along microtubules. Binding of ATP to microtubule-attached motile kinesins leads to cargo displacement. To better understand the nature of the conformational changes that lead to the power stroke that moves a kinesin's load along a microtubule, we determined the X-ray structure of human kinesin-1 bound to αβ-tubulin. The structure defines the mechanism of microtubule-stimulated ATP hydrolysis, which releases the kinesin motor domain from microtubules. It also reveals the structural linkages that connect the ATP nucleotide to the kinesin neck linker, a 15-amino acid segment C terminal to the catalytic core of the motor domain, to result in the power stroke. ATP binding to the microtubule-bound kinesin favors neck-linker docking. This biases the attachment of kinesin's second head in the direction of the movement, thus initiating each of the steps taken.


    Organizational Affiliation

    Laboratoire d'Enzymologie et Biochimie Structurales, Centre de Recherche de Gif, Centre National de la Recherche Scientifique, Gif sur Yvette, France.



Macromolecules
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Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Tubulin alpha chainA451Ovis ariesMutation(s): 0 
Gene Names: TUBA1A
UniProt
Find proteins for D0VWZ0 (Ovis aries)
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Go to UniProtKB:  D0VWZ0
Entity Groups  
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UniProt GroupD0VWZ0
Protein Feature View
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Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
Tubulin beta chainB445Ovis ariesMutation(s): 0 
UniProt
Find proteins for D0VWY9 (Ovis aries)
Explore D0VWY9 
Go to UniProtKB:  D0VWY9
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UniProt GroupD0VWY9
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Entity ID: 3
MoleculeChainsSequence LengthOrganismDetailsImage
DESIGNED ANKYRIN REPEAT PROTEIN (DARPIN) D2C [auth D]169synthetic constructMutation(s): 0 
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Entity ID: 4
MoleculeChainsSequence LengthOrganismDetailsImage
Kinesin-1 heavy chainD [auth K]349Homo sapiensMutation(s): 0 
Gene Names: KIF5BKNSKNS1
UniProt & NIH Common Fund Data Resources
Find proteins for P33176 (Homo sapiens)
Explore P33176 
Go to UniProtKB:  P33176
PHAROS:  P33176
Entity Groups  
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UniProt GroupP33176
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 5 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
GTP
Query on GTP

Download Ideal Coordinates CCD File 
E [auth A]GUANOSINE-5'-TRIPHOSPHATE
C10 H16 N5 O14 P3
XKMLYUALXHKNFT-UUOKFMHZSA-N
 Ligand Interaction
GDP
Query on GDP

Download Ideal Coordinates CCD File 
G [auth B]GUANOSINE-5'-DIPHOSPHATE
C10 H15 N5 O11 P2
QGWNDRXFNXRZMB-UUOKFMHZSA-N
 Ligand Interaction
ADP
Query on ADP

Download Ideal Coordinates CCD File 
J [auth K]ADENOSINE-5'-DIPHOSPHATE
C10 H15 N5 O10 P2
XTWYTFMLZFPYCI-KQYNXXCUSA-N
 Ligand Interaction
ALF
Query on ALF

Download Ideal Coordinates CCD File 
I [auth B],
L [auth K]
TETRAFLUOROALUMINATE ION
Al F4
UYOMQIYKOOHAMK-UHFFFAOYSA-J
 Ligand Interaction
MG
Query on MG

Download Ideal Coordinates CCD File 
F [auth A],
H [auth B],
K
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.19 Å
  • R-Value Free: 0.211 
  • R-Value Work: 0.177 
  • R-Value Observed: 0.178 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 77.05α = 90
b = 160.54β = 90
c = 174.95γ = 90
Software Package:
Software NamePurpose
AMoREphasing
BUSTERrefinement
XDSdata reduction
XSCALEdata scaling
SAWAYAdata scaling

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2013-06-12
    Type: Initial release
  • Version 1.1: 2013-08-21
    Changes: Database references
  • Version 1.2: 2017-11-15
    Changes: Source and taxonomy