4YPC

Trimeric crystal structure of vimentin coil1B fragment


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.44 Å
  • R-Value Free: 0.276 
  • R-Value Work: 0.248 
  • R-Value Observed: 0.253 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

How to Study Intermediate Filaments in Atomic Detail.

Chernyatina, A.A.Hess, J.F.Guzenko, D.Voss, J.C.Strelkov, S.V.

(2016) Methods Enzymol 568: 3-33

  • DOI: 10.1016/bs.mie.2015.09.024
  • Primary Citation of Related Structures:  
    4YV3, 4YPC

  • PubMed Abstract: 
  • Studies of the intermediate filament (IF) structure are a prerequisite of understanding their function. In addition, the structural information is indispensable if one wishes to gain a mechanistic view on the disease-related mutations in the IFs. Ove ...

    Studies of the intermediate filament (IF) structure are a prerequisite of understanding their function. In addition, the structural information is indispensable if one wishes to gain a mechanistic view on the disease-related mutations in the IFs. Over the years, considerable progress has been made on the atomic structure of the elementary building block of all IFs, the coiled-coil dimer. Here, we discuss the approaches, methods and practices that have contributed to this advance. With abundant genetic information on hand, bioinformatics approaches give important insights into the dimer structure, including the head and tail regions poorly assessable experimentally. At the same time, the most important contribution has been provided by X-ray crystallography. Following the "divide-and-conquer" approach, many fragments from several IF proteins could be crystallized and resolved to atomic resolution. We will systematically cover the main procedures of these crystallographic studies, suggest ways to maximize their efficiency, and also discuss the possible pitfalls and limitations. In addition, electron paramagnetic resonance with site-directed spin labeling was another method providing a major impact toward the understanding of the IF structure. Upon placing the spin labels into specific positions within the full-length protein, one can evaluate the proximity of the labels and their mobility. This makes it possible to make conclusions about the dimer structure in the coiled-coil region and beyond, as well as to explore the dimer-dimer contacts.


    Organizational Affiliation

    Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium. Electronic address: sergei.strelkov@pharm.kuleuven.be.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
VimentinA83Homo sapiensMutation(s): 0 
Gene Names: VIM
Find proteins for P08670 (Homo sapiens)
Explore P08670 
Go to UniProtKB:  P08670
NIH Common Fund Data Resources
PHAROS  P08670
Protein Feature View
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.44 Å
  • R-Value Free: 0.276 
  • R-Value Work: 0.248 
  • R-Value Observed: 0.253 
  • Space Group: H 3
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 35.447α = 90
b = 35.447β = 90
c = 200.08γ = 120
Software Package:
Software NamePurpose
XSCALEdata scaling
PHASERphasing
PHENIXrefinement
PDB_EXTRACTdata extraction
XDSdata reduction

Structure Validation

View Full Validation Report



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
KULeuvenBelgium07/071

Revision History 

  • Version 1.0: 2015-12-02
    Type: Initial release
  • Version 1.1: 2016-02-03
    Changes: Database references