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 


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
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  • 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

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C [auth A]
D [auth A]
E [auth A]
F [auth A]
G [auth A]
C [auth A],
D [auth A],
E [auth A],
F [auth A],
G [auth A],
H [auth A],
J [auth B]
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

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Ligand Structure Quality Assessment 


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