4RUF

Human K2P4.1 (TRAAAK) potassium channel, W262S mutant


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.4 Å
  • R-Value Free: 0.328
  • R-Value Work: 0.297

Literature

Macromolecules
Sequence Display for 4RUF

Classification: METAL TRANSPORT

Total Structure Weight: 67207.93

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, W262S
Gene Name(s): KCNK4 Gene View TRAAK
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Membrane Protein

Source: inferred by homology | 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, 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: 3.4 Å
  • R-Value Free: 0.328
  • R-Value Work: 0.297
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 88.05 α = 90.00
b = 127.98 β = 90.00
c = 130.41 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2014-11-19
  • Released Date: 2014-12-17
  • Deposition author(s): Lolicato, M., Minor, D.L.Jr.

Revision History

  • Version 1_0: 2014-12-17

    Type: Initial release

  • Version 1_1: 2015-01-07

    Type: Database references

  • Version 1_2: 2017-11-22

    Type: Refinement description