1R22

Crystal structure of the cyanobacterial metallothionein repressor SmtB (C14S/C61S/C121S mutant) in the Zn2alpha5-form

Structural Biology Knowledgebase: 1R22 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.290
  • R-Value Work: 0.229

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1R22

Classification: TRANSCRIPTION REPRESSOR

Total Structure Weight: 27157.58

Macromolecule Entities
Molecule Chains Length Organism Details
Transcriptional repressor smtB A, B 122 Synechococcus elongatus Mutation: C14S, C61S, C121S
Gene Name(s): smtB Synpcc7942_1291

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

A, B ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.290
  • R-Value Work: 0.229
  • Space Group: P 21 21 2

Unit Cell:

Length (Å) Angle (°)
a = 64.45 α = 90.00
b = 124.68 β = 90.00
c = 25.91 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2003-09-25
  • Released Date: 2004-05-18
  • Deposition author(s): Eicken, C., Pennella, M.A., Chen, X., Koshlap, K.M., VanZile, M.L., Sacchettini, J.C., Giedroc, D.P.

Revision History

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