1ZII

GCN4-LEUCINE ZIPPER CORE MUTANT ASN16ABA IN THE DIMERIC STATE


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.80 Å
  • R-Value Work: 0.182 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Crystal structures of a single coiled-coil peptide in two oligomeric states reveal the basis for structural polymorphism

Gonzalez Junior, L.Brown, R.A.Richardson, D.Alber, T.

(1996) Nat Struct Biol 3: 1002-1010

  • DOI: 10.1038/nsb1296-1002
  • Primary Citation of Related Structures:  
    1ZIJ, 1ZII

  • PubMed Abstract: 
  • Each protein sequence generally adopts a single native fold, but the sequence features that confer structural uniqueness are not well understood. To define the basis for structural heterogeneity, we determined the high resolution X-ray crystal structures of a single GCN4 leucine-zipper mutant (Asn 16 to aminobutyric acid) in both dimeric and trimeric coiled-coil conformations ...

    Each protein sequence generally adopts a single native fold, but the sequence features that confer structural uniqueness are not well understood. To define the basis for structural heterogeneity, we determined the high resolution X-ray crystal structures of a single GCN4 leucine-zipper mutant (Asn 16 to aminobutyric acid) in both dimeric and trimeric coiled-coil conformations. The mutant sequence is accommodated in two distinct structures by forming similarly-shaped packing surfaces with different sets of atoms. The trimer structure, in comparison to a previously-characterized trimeric mutant with substitutions in eight core residues, shows that the twist of individual helices and the helix-helix crossing angles can vary significantly to produce the most favoured packing arrangement.


    Related Citations: 
    • An Engineered Allosteric Switch in Leucine-Zipper Oligomerization
      Gonzalez Junior, L., Plecs, J.J., Alber, T.
      (1996) Nat Struct Biol 3: 510
    • Crystal Structure of an Isoleucine-Zipper Trimer
      Harbury, P.B., Kim, P.S., Alber, T.
      (1994) Nature 371: 80
    • A Switch between Two-, Three-, and Four-Stranded Coiled Coils in GCN4 Leucine Zipper Mutants
      Harbury, P.B., Zhang, T., Kim, P.S., Alber, T.
      (1993) Science 262: 1401
    • X-Ray Structure of the GCN4 Leucine Zipper, a Two-Stranded, Parallel Coiled Coil
      O'Shea, E.K., Klemm, J.D., Kim, P.S., Alber, T.
      (1991) Science 254: 539

    Organizational Affiliation

    Department of Molecular and Cell Biology, University of California, Berkeley 94720-3206, USA.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
GENERAL CONTROL PROTEIN GCN4A, B34Saccharomyces cerevisiaeMutation(s): 1 
UniProt
Find proteins for P03069 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P03069 
Go to UniProtKB:  P03069
Protein Feature View
Expand
  • Reference Sequence
Small Molecules
Modified Residues  1 Unique
IDChainsTypeFormula2D DiagramParent
ABA
Query on ABA
A, BL-PEPTIDE LINKINGC4 H9 N O2ALA
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.80 Å
  • R-Value Work: 0.182 
  • Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 101.87α = 90
b = 30.35β = 95.19
c = 21.8γ = 90
Software Package:
Software NamePurpose
TNTrefinement
R-AXISdata reduction
R-AXISdata scaling

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 1997-07-07
    Type: Initial release
  • Version 1.1: 2008-03-03
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance