3CRO

THE PHAGE 434 CRO/OR1 COMPLEX AT 2.5 ANGSTROMS RESOLUTION


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

The phage 434 Cro/OR1 complex at 2.5 A resolution.

Mondragon, A.Harrison, S.C.

(1991) J.Mol.Biol. 219: 321-334


  • PubMed Abstract: 
  • The crystal structure of phage 434 Cro protein in complex with a 20 base-pair DNA fragment has been determined to 2.5 A resolution. The DNA fragment contains the sequence of the OR1 operator site. The structure shows a bent conformation for the DNA, ...

    The crystal structure of phage 434 Cro protein in complex with a 20 base-pair DNA fragment has been determined to 2.5 A resolution. The DNA fragment contains the sequence of the OR1 operator site. The structure shows a bent conformation for the DNA, straighter at the center and more bent at the ends. The central base-pairs adopt conformations with significant deviations from coplanarity. The two molecules interact extensively along their common interface, both through hydrogen bonds and van der Waals interactions. The significance of these interactions for operator binding and recognition is discussed.


    Related Citations: 
    • Structure of the Repressor-Operator Complex of Bacteriophage 434
      Anderson, J.E.,Ptashne, M.,Harrison, S.C.
      (1987) Nature 326: 846
    • Structure of Phage 434 Cro Protein at 2.35 Angstroms Resolution
      Mondragon, A.,Wolberger, C.,Harrison, S.C.
      (1989) J.Mol.Biol. 205: 179
    • Recognition of a DNA Operator by the Repressor of Phage 434. A View at High Resolution
      Aggarwal, A.K.,Rodgers, D.W.,Drottar, M.,Ptashne, M.,Harrison, S.C.
      (1988) Science 242: 899


    Organizational Affiliation

    Department of Biochemistry and Molecular Biology, Harvard University, Cambridge, MA 02138.




Macromolecules

Find similar proteins by: Sequence  |  Structure


Entity ID: 3
MoleculeChainsSequence LengthOrganismDetails
PROTEIN (434 CRO)
L, R
71Enterobacteria phage 434Mutation(s): 0 
Gene Names: CRO
Find proteins for P03036 (Enterobacteria phage 434)
Go to UniProtKB:  P03036
Entity ID: 1
MoleculeChainsLengthOrganism
DNA (5'-D(*AP*AP*GP*TP*AP*CP*AP*AP*AP*CP*TP*TP*TP*CP*TP*TP*G P*TP*AP*T)-3')A20N/A
Entity ID: 2
MoleculeChainsLengthOrganism
DNA (5'-D(*TP*AP*TP*AP*CP*AP*AP*GP*AP*AP*AP*GP*TP*TP*TP*GP*T P*AP*CP*T)-3')B20N/A
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • Space Group: P 1 21 1
Unit Cell:
Length (Å)Angle (°)
a = 49.200α = 90.00
b = 47.600β = 109.50
c = 61.700γ = 90.00
Software Package:
Software NamePurpose
TNTrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 1991-10-15
    Type: Initial release
  • Version 1.1: 2008-05-22
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance