2AJQ

Structure of replicative DNA polymerase provides insigts into the mechanisms for processivity, frameshifting and editing

• PDB DOI: https://doi.org/10.2210/pdb2AJQ/pdb
• NAKB: 2AJQ

• Classification: TRANSFERASE,TRANSCRIPTION/DNA
• Organism(s): Escherichia phage T7, Escherichia coli
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2005-08-02 Released: 2006-09-26 
• Deposition Author(s): Brieba, L., Ellenberger, T.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 
  0.284 (Depositor), 0.260 (DCC) 
• R-Value Work: 
  0.233 (Depositor), 0.220 (DCC) 
• R-Value Observed: 
  0.233 (Depositor) 

Literature

Structure of replicative DNA polymerase provides insigts into the mechanisms for processivity, frameshifting and editing

Brieba, L., Ellenberger, T.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 212.31 kDa 
• Atom Count: 14,791 
• Modelled Residue Count: 1,691 
• Deposited Residue Count: 1,720 
• Unique protein chains: 2
• Unique nucleic acid chains: 2

Macromolecules

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
T7 DNA polymerase	E [auth A], G [auth F]	704	Escherichia phage T7	Mutation(s): 2  Gene Names: 5 EC: 2.7.7.7 (PDB Primary Data), 3.1.11 (UniProt)
UniProt
Find proteins for P00581 (Escherichia phage T7) Explore P00581  Go to UniProtKB:  P00581

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
thioredoxin 1	F [auth B], H [auth I]	108	Escherichia coli	Mutation(s): 0  Gene Names: trxA, fipA, tsnC
UniProt
Find proteins for P0AA25 (Escherichia coli (strain K12)) Explore P0AA25  Go to UniProtKB:  P0AA25

Entity ID: 1
Molecule	Chains	Length	Organism	Image
DNA Primer	A [auth P], C [auth X]	22	N/A

Entity ID: 2
Molecule	Chains	Length	Organism	Image
DNA Template	B [auth T], D [auth Z]	26	N/A

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free:  0.284 (Depositor), 0.260 (DCC) 
• R-Value Work:  0.233 (Depositor), 0.220 (DCC) 
• R-Value Observed: 0.233 (Depositor) 

Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 168.312	α = 90
b = 169.235	β = 90
c = 179.788	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
TRUNCATE	data reduction
CNS	refinement
HKL-2000	data reduction
CCP4	data scaling
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-09-26 
Deposition Author(s): Brieba, L., Ellenberger, T.

Revision History  

• Version 1.0: 2006-09-26
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2021-10-20
  Changes: Database references, Derived calculations
• Version 1.4: 2024-02-14
  Changes: Data collection