2PYL

Phi29 DNA polymerase complexed with primer-template DNA and incoming nucleotide substrates (ternary complex)


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Free: 0.253 
  • R-Value Work: 0.191 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Structures of phi29 DNA polymerase complexed with substrate: the mechanism of translocation in B-family polymerases

Berman, A.J.Kamtekar, S.Goodman, J.L.Lazaro, J.M.de Vega, M.Blanco, L.Salas, M.Steitz, T.A.

(2007) Embo J. 26: 3494-3505

  • DOI: 10.1038/sj.emboj.7601780
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • Replicative DNA polymerases (DNAPs) move along template DNA in a processive manner. The structural basis of the mechanism of translocation has been better studied in the A-family of polymerases than in the B-family of replicative polymerases. To addr ...

    Replicative DNA polymerases (DNAPs) move along template DNA in a processive manner. The structural basis of the mechanism of translocation has been better studied in the A-family of polymerases than in the B-family of replicative polymerases. To address this issue, we have determined the X-ray crystal structures of phi29 DNAP, a member of the protein-primed subgroup of the B-family of polymerases, complexed with primer-template DNA in the presence or absence of the incoming nucleoside triphosphate, the pre- and post-translocated states, respectively. Comparison of these structures reveals a mechanism of translocation that appears to be facilitated by the coordinated movement of two conserved tyrosine residues into the insertion site. This differs from the mechanism employed by the A-family polymerases, in which a conserved tyrosine moves into the templating and insertion sites during the translocation step. Polymerases from the two families also interact with downstream single-stranded template DNA in very different ways.


    Organizational Affiliation

    Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT 06520, USA.




Macromolecules

Find similar proteins by: Sequence  |  Structure


Entity ID: 3
MoleculeChainsSequence LengthOrganismDetails
DNA polymerase
A
575Bacillus phage phi29Mutation(s): 2 
Gene Names: 2
EC: 2.7.7.7, 3.1.11.-
Find proteins for P03680 (Bacillus phage phi29)
Go to UniProtKB:  P03680
Entity ID: 1
MoleculeChainsLengthOrganism
5'-d(GACTGCTTAC(2DA))-3'X11N/A
Entity ID: 2
MoleculeChainsLengthOrganism
5'-d(CTGACGAATGTACA)-3'Y14N/A
Small Molecules
Ligands 3 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
TTP
Query on TTP

Download SDF File 
Download CCD File 
A
THYMIDINE-5'-TRIPHOSPHATE
C10 H17 N2 O14 P3
NHVNXKFIZYSCEB-XLPZGREQSA-N
 Ligand Interaction
EDO
Query on EDO

Download SDF File 
Download CCD File 
A
1,2-ETHANEDIOL
ETHYLENE GLYCOL
C2 H6 O2
LYCAIKOWRPUZTN-UHFFFAOYSA-N
 Ligand Interaction
MG
Query on MG

Download SDF File 
Download CCD File 
A
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
 Ligand Interaction
Modified Residues  1 Unique
IDChainsTypeFormula2D DiagramParent
2DA
Query on 2DA
X
DNA LINKINGC10 H14 N5 O5 PDA
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Free: 0.253 
  • R-Value Work: 0.191 
  • Space Group: P 21 21 21
Unit Cell:
Length (Å)Angle (°)
a = 58.922α = 90.00
b = 78.199β = 90.00
c = 157.813γ = 90.00
Software Package:
Software NamePurpose
CBASSdata collection
HKL-2000data scaling
HKL-2000data reduction
PHASERphasing
REFMACrefinement

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2007-07-17
    Type: Initial release
  • Version 1.1: 2008-05-01
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Version format compliance