1XL6

Intermediate gating structure 2 of the inwardly rectifying K+ channel KirBac3.1


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.85 Å
  • R-Value Free: 0.310 
  • R-Value Work: 0.270 

Starting Model: experimental
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wwPDB Validation   3D Report Full Report


Ligand Structure Quality Assessment 

Created with Raphaël 2.3.0Worse 01 BetterLigand structure goodness of fit to experimental dataBest fitted SPMClick on this verticalbar to view details

This is version 1.3 of the entry. See complete history

Re-refinement Note

A newer entry is available that reflects an alternative modeling of the original data: 2WLK


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:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Inward rectifier potassium channel
A, B
301Paramagnetospirillum magnetotacticumMutation(s): 0 
Membrane Entity: Yes 
UniProt
Find proteins for D9N164 (Paramagnetospirillum magnetotacticum)
Explore D9N164 
Go to UniProtKB:  D9N164
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupD9N164
Sequence Annotations
Expand
  • Reference Sequence
Small Molecules
Ligands 3 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
SPM
Query on SPM

Download Ideal Coordinates CCD File 
K [auth B]SPERMINE
C10 H26 N4
PFNFFQXMRSDOHW-UHFFFAOYSA-N
K
Query on K

Download Ideal Coordinates CCD File 
C [auth A]
D [auth A]
E [auth A]
F [auth A]
G [auth A]
POTASSIUM ION
K
NPYPAHLBTDXSSS-UHFFFAOYSA-N
MG
Query on MG

Download Ideal Coordinates CCD File 
I [auth A]MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.85 Å
  • R-Value Free: 0.310 
  • R-Value Work: 0.270 
  • Space Group: P 21 21 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 105.756α = 90
b = 107.532β = 90
c = 89.654γ = 90
Software Package:
Software NamePurpose
MOSFLMdata reduction
SCALAdata scaling
CNSrefinement
X-PLORrefinement
CCP4data scaling
CNSphasing

Structure Validation

View Full Validation Report



Ligand Structure Quality Assessment 

Created with Raphaël 2.3.0Worse 01 BetterLigand structure goodness of fit to experimental dataBest fitted SPMClick on this verticalbar to view details

Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2004-12-07
    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: 2023-10-25
    Changes: Data collection, Database references, Derived calculations, Refinement description