1XL4

Intermediate gating structure 1 of the inwardly rectifying K+ channel KirBac3.1


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.253 
  • R-Value Work: 0.226 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Two intermediate gating state crystal structures of the KirBac3.1 K+ channel

Gulbis, J.M.Kuo, A.Smith, B.Doyle, D.A.Edwards, A.Arrowsmith, C.Sundstrom, M.

To be published.

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Inward rectifier potassium channel
A, B
301Magnetospirillum magneticum (strain AMB-1 / ATCC 700264)Mutation(s): 0 
Membrane protein
mpstruct
Group: 
TRANSMEMBRANE PROTEINS: ALPHA-HELICAL
Sub Group: 
Channels: Potassium, Sodium, & Proton Ion-Selective
Protein: 
KirBac3.1 Inward-Rectifier Potassium channel (semi-latched)
Find proteins for Q2W6R1 (Magnetospirillum magneticum (strain AMB-1 / ATCC 700264))
Go to UniProtKB:  Q2W6R1
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
K
Query on K

Download SDF File 
Download CCD File 
A
POTASSIUM ION
K
NPYPAHLBTDXSSS-UHFFFAOYSA-N
 Ligand Interaction
MG
Query on MG

Download SDF File 
Download CCD File 
A
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.253 
  • R-Value Work: 0.226 
  • Space Group: P 21 21 2
Unit Cell:
Length (Å)Angle (°)
a = 105.627α = 90.00
b = 109.385β = 90.00
c = 88.786γ = 90.00
Software Package:
Software NamePurpose
MOSFLMdata reduction
X-PLORrefinement
CCP4data scaling
SCALAdata scaling
CNSrefinement
CNSphasing

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2004-12-07
    Type: Initial release
  • Version 1.1: 2008-04-30
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Derived calculations, Version format compliance