1Q57

The Crystal Structure of the Bifunctional Primase-Helicase of Bacteriophage T7

Structural Biology Knowledgebase: 1Q57 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.45 Å
  • R-Value Free: 0.326
  • R-Value Work: 0.299

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1Q57

Classification: TRANSFERASE

Total Structure Weight: 391002.50

Macromolecule Entities
Molecule Chains Length Organism Details
DNA primase/helicase A, B, C..., D, E, F, GA, B, C, D, E, F, G 503 Enterobacteria phage t7 EC#: 2.7.7 IUBMB 3.6.4.12 IUBMB
Mutation: G317V, K318M
Gene Name(s): 4


Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.45 Å
  • R-Value Free: 0.326
  • R-Value Work: 0.299
  • Space Group: P 1 21 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 117.18 α = 90.00
b = 171.57 β = 99.86
c = 118.58 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2003-08-06
  • Released Date: 2003-11-25
  • Deposition author(s): Toth, E.A., Li, Y., Sawaya, M.R., Cheng, Y., Ellenberger, T.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4
  • 2011-07-13
    Type: Flag residual B-value | Details: Tagged residual B temperature factor