1SA3

An asymmetric complex of restriction endonuclease MspI on its palindromic DNA recognition site

Structural Biology Knowledgebase: 1SA3 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.95 Å
  • R-Value Free: 0.252
  • R-Value Work: 0.223

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1SA3

Classification: hydrolase / DNA

Total Structure Weight: 71986.48


Macromolecule Entities
Molecule Chains Length Organism Details
Type II restriction enzyme MspI A, B 262 Moraxella sp. EC#: 3.1.21.4 IUBMB
Gene Name(s): mspIR
Macromolecule Entities
Molecule Chains Length Organism Details
5'-D(*CP*CP*CP*CP*CP*GP*GP*GP*GP*G)-3' C, D, E, F 10 synthetic

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
NA
Query on NA

A, B SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.95 Å
  • R-Value Free: 0.252
  • R-Value Work: 0.223
  • Space Group: P 1 21 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 50.19 α = 90.00
b = 131.60 β = 109.69
c = 59.32 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2004-02-06
  • Released Date: 2004-09-07
  • Deposition author(s): Xu, Q.S., Kucera, R.B., Roberts, R.J., Guo, H.C.

Revision History

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