1D0N

THE CRYSTAL STRUCTURE OF CALCIUM-FREE EQUINE PLASMA GELSOLIN.


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Free: 0.238 
  • R-Value Work: 0.205 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

The crystal structure of plasma gelsolin: implications for actin severing, capping, and nucleation.

Burtnick, L.D.Koepf, E.K.Grimes, J.Jones, E.Y.Stuart, D.I.McLaughlin, P.J.Robinson, R.C.

(1997) Cell 90: 661-670


  • PubMed Abstract: 
  • The structure of gelsolin has been determined by crystallography and comprises six structurally related domains that, in a Ca2+-free environment, pack together to form a compact globular structure in which the putative actin-binding sequences are not ...

    The structure of gelsolin has been determined by crystallography and comprises six structurally related domains that, in a Ca2+-free environment, pack together to form a compact globular structure in which the putative actin-binding sequences are not sufficiently exposed to enable binding to occur. We propose that binding Ca2+ can release the connections that join the N- and C-terminal halves of gelsolin, enabling each half to bind actin relatively independently. Domain shifts are proposed in response to Ca2+ as bases for models of how gelsolin acts to sever, cap, or nucleate F-actin filaments. The structure also invites discussion of polyphosphoinositide binding to segment 2 and suggests how mutation at Asp-187 could initiate a series of events that lead to deposition of amyloid plaques, as observed in victims of familial amyloidosis (Finnish type).


    Organizational Affiliation

    Department of Chemistry, University of British Columbia, Vancouver, Canada.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
HORSE PLASMA GELSOLIN
A, B
729Equus caballusGene Names: GSN
Find proteins for Q28372 (Equus caballus)
Go to Gene View: GSN
Go to UniProtKB:  Q28372
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Free: 0.238 
  • R-Value Work: 0.205 
  • Space Group: P 4 21 2
Unit Cell:
Length (Å)Angle (°)
a = 169.400α = 90.00
b = 169.400β = 90.00
c = 154.200γ = 90.00
Software Package:
Software NamePurpose
SCALEPACKdata scaling
SHELXSphasing
DENZOdata reduction
X-PLORrefinement
CNSrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 1999-09-15
    Type: Initial release
  • Version 1.1: 2008-04-27
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Derived calculations, Version format compliance