1CR1

CRYSTAL STRUCTURE OF THE HELICASE DOMAIN OF THE GENE 4 PROTEIN OF BACTERIOPHAGE T7: COMPLEX WITH DTTP

Structural Biology Knowledgebase: 1CR1 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.288
  • R-Value Work: 0.235

Literature

Macromolecules
Sequence Display for 1CR1

Classification: TRANSFERASE

Total Structure Weight: 33506.48

Macromolecule Entities
Molecule Chains Length Organism Details
DNA PRIMASE/HELICASE A 296 Enterobacteria phage t7 EC#: 2.7.7 IUBMB 3.6.4.12 IUBMB
Fragment: HELICASE DOMAIN
Mutation: L271M
Gene Name(s): 4
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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)
SO4
Query on SO4

A SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.288
  • R-Value Work: 0.235
  • Space Group: P 61
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 80.65 α = 90.00
b = 80.65 β = 90.00
c = 86.04 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1999-08-12
  • Released Date: 1999-11-10
  • Deposition author(s): Sawaya, M.R., Guo, S., Tabor, S., Richardson, C.C., Ellenberger, T.

Revision History

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