1BD7

CIRCULARLY PERMUTED BB2-CRYSTALLIN


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.78 Å
  • R-Value Free: 0.278 
  • R-Value Work: 0.190 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Circular permutation of betaB2-crystallin changes the hierarchy of domain assembly.

Wright, G.Basak, A.K.Wieligmann, K.Mayr, E.M.Slingsby, C.

(1998) Protein Sci. 7: 1280-1285

  • DOI: 10.1002/pro.5560070602

  • PubMed Abstract: 
  • The betagamma-crystallins form a superfamily of eye lens proteins comprised of multiple Greek motifs that are symmetrically organized into domains and higher assemblies. In the betaB2-crystallin dimer each polypeptide folds into two similar domains t ...

    The betagamma-crystallins form a superfamily of eye lens proteins comprised of multiple Greek motifs that are symmetrically organized into domains and higher assemblies. In the betaB2-crystallin dimer each polypeptide folds into two similar domains that are related to monomeric gamma-crystallin by domain swapping. The crystal structure of the circularly permuted two-domain betaB2 polypeptide shows that permutation converts intermolecular domain pairing into intramolecular pairing. However, the dimeric permuted protein is, in fact, half a native tetramer. This result shows how the sequential order of domains in multi-domain proteins can affect quaternary domain assembly.


    Organizational Affiliation

    Birkbeck College, Department of Crystallography, London, United Kingdom.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
CIRCULARLY PERMUTED BB2-CRYSTALLIN
A, B
176Rattus norvegicusGene Names: Crybb2
Find proteins for P62697 (Rattus norvegicus)
Go to UniProtKB:  P62697
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.78 Å
  • R-Value Free: 0.278 
  • R-Value Work: 0.190 
  • Space Group: P 1
Unit Cell:
Length (Å)Angle (°)
a = 39.000α = 66.70
b = 48.500β = 74.90
c = 54.500γ = 77.50
Software Package:
Software NamePurpose
CCP4data scaling
X-PLORrefinement
ROTAVATA)data scaling
DENZOdata reduction
X-PLORphasing
X-PLORmodel building

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 1998-10-21
    Type: Initial release
  • Version 1.1: 2008-03-28
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance