3JYC

Crystal structure of the eukaryotic strong inward-rectifier K+ channel Kir2.2 at 3.1 Angstrom resolution


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.11 Å
  • R-Value Free: 0.270
  • R-Value Work: 0.242

Literature

Macromolecules
Sequence Display for 3JYC

Classification: METAL TRANSPORT

Total Structure Weight: 39557.21

Macromolecule Entities
Molecule Chains Length Organism Details
Inward-rectifier K+ channel Kir2.2 A 343 Gallus gallus Gene Name(s): KCNJ12 Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Membrane Protein

Source: mpstruc | Group: ALPHA-HELICAL

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

Protein Name: Kir2.2 Inward-Rectifier Potassium Channel (Complete)


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

A POTASSIUM ION
K
NPYPAHLBTDXSSS-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.11 Å
  • R-Value Free: 0.270
  • R-Value Work: 0.242
  • Space Group: I 4

Unit Cell:

Length (Å) Angle (°)
a = 84.02 α = 90.00
b = 84.02 β = 90.00
c = 196.12 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2009-09-21
  • Released Date: 2010-01-12
  • Deposition author(s): Tao, X.

Revision History

  • 2011-07-13
    Type: Version format compliance