5MCU

New Insights into the Role of DNA Shape on Its Recognition by p53 Proteins (complex p53DBD-LHG2)


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Free: 0.201 
  • R-Value Work: 0.169 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

New Insights into the Role of DNA Shape on Its Recognition by p53 Proteins.

Golovenko, D.Brauning, B.Vyas, P.Haran, T.E.Rozenberg, H.Shakked, Z.

(2018) Structure 26: 1237-1250.e6

  • DOI: 10.1016/j.str.2018.06.006
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • The tumor suppressor p53 acts as a transcription factor recognizing diverse DNA response elements (REs). Previous structural studies of p53-DNA complexes revealed non-canonical Hoogsteen geometry of A/T base pairs at conserved CATG motifs leading to ...

    The tumor suppressor p53 acts as a transcription factor recognizing diverse DNA response elements (REs). Previous structural studies of p53-DNA complexes revealed non-canonical Hoogsteen geometry of A/T base pairs at conserved CATG motifs leading to changes in DNA shape and its interface with p53. To study the effects of DNA shape on binding characteristics, we designed REs with modified base pairs "locked" into either Hoogsteen or Watson-Crick form. Here we present crystal structures of these complexes and their thermodynamic and kinetic parameters, demonstrating that complexes with Hoogsteen base pairs are stabilized relative to those with all-Watson-Crick base pairs. CATG motifs are abundant in p53REs such as GADD45 and p53R2 related to cell-cycle arrest and DNA repair. The high-resolution structures of these complexes validate their propensity to adopt the unique Hoogsteen-induced structure, thus providing insights into the functional role of DNA shape and broadening the mechanisms that contribute to DNA recognition by proteins.


    Organizational Affiliation

    Department of Structural Biology, Weizmann Institute of Science, Rehovot 76100, Israel. Electronic address: haim.rozenberg@weizmann.ac.il.,Department of Structural Biology, Weizmann Institute of Science, Rehovot 76100, Israel. Electronic address: zippi.shakked@weizmann.ac.il.,Department of Structural Biology, Weizmann Institute of Science, Rehovot 76100, Israel.,Department of Biology, Technion-Israel Institute of Technology, Haifa 32000, Israel.




Macromolecules

Find similar proteins by: Sequence  |  Structure


Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Cellular tumor antigen p53
A, B
200Homo sapiensMutation(s): 0 
Gene Names: TP53 (P53)
Find proteins for P04637 (Homo sapiens)
Go to Gene View: TP53
Go to UniProtKB:  P04637
Entity ID: 2
MoleculeChainsLengthOrganism
DNAC21synthetic construct
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
ZN
Query on ZN

Download SDF File 
Download CCD File 
A, B
ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
 Ligand Interaction
EDO
Query on EDO

Download SDF File 
Download CCD File 
A, B
1,2-ETHANEDIOL
ETHYLENE GLYCOL
C2 H6 O2
LYCAIKOWRPUZTN-UHFFFAOYSA-N
 Ligand Interaction
Modified Residues  1 Unique
IDChainsTypeFormula2D DiagramParent
IGU
Query on IGU
C
DNA LINKINGC10 H14 N5 O7 PDG
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.7 Å
  • R-Value Free: 0.201 
  • R-Value Work: 0.169 
  • Space Group: P 21 21 2
Unit Cell:
Length (Å)Angle (°)
a = 109.133α = 90.00
b = 68.422β = 90.00
c = 69.422γ = 90.00
Software Package:
Software NamePurpose
HKL-2000data scaling
PHASERphasing
HKL-2000data reduction
PHENIXrefinement
HKL-2000data collection
PDB_EXTRACTdata extraction

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2018-06-13
    Type: Initial release
  • Version 1.1: 2018-06-27
    Type: Data collection, Database references
  • Version 1.2: 2019-01-02
    Type: Data collection, Database references, Structure summary