2QKS

Crystal structure of a Kir3.1-prokaryotic Kir channel chimera


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Free: 0.256
  • R-Value Work: 0.231

Literature

Macromolecules
Sequence Display for 2QKS

Classification: METAL TRANSPORT

Total Structure Weight: 73128.73

Macromolecule Entities
Molecule Chains Length Organism Details
Kir3.1-prokaryotic Kir channel chimera A, B 321 Mus musculus Paraburkholderia xenovorans Fragment: KIR3.1 (residues 3-44, 125-318), KIRBAC1.3 TRANSMEMBRANE domain (residues 45-124)
Mutation: M127A
Gene Name(s): Kcnj3 Girk1 Bxe_A4289
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Membrane Protein

Source: mpstruc | Group: ALPHA-HELICAL

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

Protein Name: Kir3.1-Prokaryotic Kir Chimera


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

A B-NONYLGLUCOSIDE
C15 H30 O6
QFAPUKLCALRPLH-UXXRCYHCSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
K
Query on K

A, B 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: 2.2 Å
  • R-Value Free: 0.256
  • R-Value Work: 0.231
  • Space Group: P 4

Unit Cell:

Length (Å) Angle (°)
a = 98.42 α = 90.00
b = 98.42 β = 90.00
c = 92.62 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2007-07-11
  • Released Date: 2007-08-28
  • Deposition author(s): Nishida, M., MacKinnon, R.

Revision History

  • 2011-07-13
    Type: Version format compliance
  • 2011-11-16
    Type: Atomic model
  • 2017-06-07
    Type: Database references, Other, Source and taxonomy