2ITC

Potassium Channel KcsA-Fab complex in Sodium Chloride


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.2 Å
  • R-Value Free: 0.265
  • R-Value Work: 0.246

Literature

Macromolecules
Sequence Display for 2ITC

Classification: MEMBRANE PROTEIN

Total Structure Weight: 60104.54

Macromolecule Entities
Molecule Chains Length Organism Details
Antibody Fab fragment heavy chain A 219 Mus musculus
Antibody Fab fragment light chain B 212 Mus musculus
Voltage-gated potassium channel C 124 Streptomyces lividans Fragment: residues 1-124
Mutation: P2A, L90C
Gene Name(s): kcsA skc1
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Membrane Protein

Source: mpstruc | Group: ALPHA-HELICAL

Subgroup Name: Channels: Potassium, Sodium, & Proton Ion-Selective

Protein Name: KcsA Potassium channel, H+ gated


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

C SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.2 Å
  • R-Value Free: 0.265
  • R-Value Work: 0.246
  • Space Group: I 4

Unit Cell:

Length (Å) Angle (°)
a = 155.50 α = 90.00
b = 155.50 β = 90.00
c = 75.82 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2006-10-19
  • Released Date: 2007-05-15
  • Deposition author(s): Lockless, S.W., Zhou, M., MacKinnon, R.

Revision History

  • 2008-05-01
    Type: Version format compliance
  • 2011-07-13
    Type: Version format compliance
  • 2011-11-16
    Type: Atomic model