3UM7

Crystal structure of the human two pore domain K+ ion channel TRAAK (K2P4.1)

Structural Biology Knowledgebase: 3UM7 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.31 Å
  • R-Value Free: 0.323
  • R-Value Work: 0.317

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 3UM7

Classification: METAL TRANSPORT

Total Structure Weight: 67367.63

Macromolecule Entities
Molecule Chains Length Organism Details
Potassium channel subfamily K member 4 A, B 309 Homo sapiens Fragment: UNP residues 1-300
Mutation: N104Q, N108Q
Gene Name(s): KCNK4 Gene View TRAAK
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Membrane Protein

Source: mpstruc | Group: ALPHA-HELICAL

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

Protein Name: Two-Pore Domain Potassium Channel K2P4.1 (TRAAK)


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
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.31 Å
  • R-Value Free: 0.323
  • R-Value Work: 0.317
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 87.94 α = 90.00
b = 130.85 β = 90.00
c = 132.78 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2011-11-12
  • Released Date: 2012-02-08
  • Deposition author(s): Brohawn, S.G., MacKinnon, R.

Revision History

No revisions since initial release