1IG9

Structure of the Replicating Complex of a Pol Alpha Family DNA Polymerase

Structural Biology Knowledgebase: 1IG9 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.258
  • R-Value Work: 0.197

Literature

Macromolecules
Sequence Display for 1IG9

Classification: TRANSFERASE / DNA

Total Structure Weight: 115089.88


Macromolecule Entities
Molecule Chains Length Organism Details
DNA POLYMERASE A 903 Escherichia virus rb69 EC#: 2.7.7.7 IUBMB 3.1.11 IUBMB
Mutation: D222A, D327A
Gene Name(s): 43
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Macromolecule Entities
Molecule Chains Length Organism Details
5'-D(*AP*CP*AP*GP*GP*TP*AP*AP*GP*CP*AP*GP*TP*CP*CP*GP*CP*G)-3' T 18 synthetic Substrate DNA, template strand
5'-D(*GP*CP*GP*GP*AP*CP*TP*GP*CP*TP*TP*AP*CP*(DOC))-3' P 14 synthetic Substrate DNA, primer strand (dideoxy-terminated)

Small Molecules
Ligands 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
TTP
Query on TTP

A THYMIDINE-5'-TRIPHOSPHATE
C10 H17 N2 O14 P3
NHVNXKFIZYSCEB-XLPZGREQSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

A CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
DOC
Query on DOC
P DNA LINKING C9 H14 N3 O6 P DC

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.258
  • R-Value Work: 0.197
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 80.79 α = 90.00
b = 118.60 β = 90.00
c = 128.00 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-04-17
  • Released Date: 2001-06-11
  • Deposition author(s): Franklin, M.C., Wang, J., Steitz, T.A.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4