2E4F

Crystal Structure of the Cytoplasmic Domain of G-Protein-Gated Inward Rectifier Potassium Channel Kir3.2

• PDB DOI: https://doi.org/10.2210/pdb2E4F/pdb

• Classification: TRANSPORT PROTEIN
• Organism(s): Mus musculus
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2006-12-06 Released: 2007-06-12 
• Deposition Author(s): Inanobe, A., Kurachi, Y.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.279 
• R-Value Work: 0.244 

Starting Model: experimental

Literature

Structural Diversity in the Cytoplasmic Region of G Protein-Gated Inward Rectifier K+ Channels

Inanobe, A., Matsuura, T., Nakagawa, A., Kurachi, Y.

(2007) Channels (Austin) 1: 39-45

Biological Assembly 1  

Global Symmetry: Cyclic - C4  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 assigned by authors and generated by PISA,PQS (software)

Macromolecule Content

• Total Structure Weight: 23.73 kDa 
• Atom Count: 1,594 
• Modelled Residue Count: 191 
• Deposited Residue Count: 208 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
G protein-activated inward rectifier potassium channel 2	A	208	Mus musculus	Mutation(s): 0  Gene Names: Kcnj6
UniProt & NIH Common Fund Data Resources
Find proteins for P48542 (Mus musculus) Explore P48542  Go to UniProtKB:  P48542
IMPC:  MGI:104781

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.279 
• R-Value Work: 0.244 
• Space Group: P 4 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 77.173	α = 90
b = 77.173	β = 90
c = 87.307	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
MOLREP	phasing
CNS	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-06-12 
Deposition Author(s): Inanobe, A., Kurachi, Y.

Revision History  

• Version 1.0: 2007-06-12
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Version format compliance
• Version 1.3: 2017-08-16
  Changes: Data collection, Refinement description, Source and taxonomy
• Version 1.4: 2023-10-25
  Changes: Data collection, Database references, Refinement description