6BY3

Open and conductive conformation of KcsA-T75A mutant


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.37 Å
  • R-Value Free: 0.219 
  • R-Value Work: 0.205 

wwPDB Validation 3D Report Full Report


This is version 1.3 of the entry. See complete history

Literature

Inverted allosteric coupling between activation and inactivation gates in K+channels.

Labro, A.J.Cortes, D.M.Tilegenova, C.Cuello, L.G.

(2018) Proc. Natl. Acad. Sci. U.S.A. 115: 5426-5431


Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Antibody Heavy Chain
A
219N/AMutation(s): 0 
Protein Feature View is not available: No corresponding UniProt sequence found.
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
Antibody Light Chain
B
212N/AMutation(s): 0 
Protein Feature View is not available: No corresponding UniProt sequence found.
Entity ID: 3
MoleculeChainsSequence LengthOrganismDetails
pH-gated potassium channel KcsA
C
96Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145)Mutation(s): 3 
Gene Names: kcsA (skc1)
Membrane protein
mpstruct
Group: 
TRANSMEMBRANE PROTEINS: ALPHA-HELICAL
Sub Group: 
Channels: Potassium, Sodium, & Proton Ion-Selective
Protein: 
KcsA Potassium channel, H+ gated. T75A mutant, closed and deep-inactivated conformation.
Find proteins for P0A333 (Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145))
Go to UniProtKB:  P0A333
Small Molecules
Ligands 3 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
K
Query on K

Download SDF File 
Download CCD File 
C
POTASSIUM ION
K
NPYPAHLBTDXSSS-UHFFFAOYSA-N
 Ligand Interaction
DGA
Query on DGA

Download SDF File 
Download CCD File 
C
DIACYL GLYCEROL
C39 H76 O5
UHUSDOQQWJGJQS-QNGWXLTQSA-N
 Ligand Interaction
F09
Query on F09

Download SDF File 
Download CCD File 
A
NONAN-1-OL
C9 H20 O
ZWRUINPWMLAQRD-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.37 Å
  • R-Value Free: 0.219 
  • R-Value Work: 0.205 
  • Space Group: I 4
Unit Cell:
Length (Å)Angle (°)
a = 156.126α = 90.00
b = 156.126β = 90.00
c = 74.479γ = 90.00
Software Package:
Software NamePurpose
HKL-2000data scaling
PHENIXrefinement
PHENIXphasing
HKL-2000data reduction
PDB_EXTRACTdata extraction

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
National Institutes of Health/National Institute of General Medical SciencesUnited States1RO1GM097159-01A1
Welch FoundationUnited StatesBI-1757
American Heart AssociationUnited StatesAHA-11SDG5440003

Revision History 

  • Version 1.0: 2018-05-09
    Type: Initial release
  • Version 1.1: 2018-05-23
    Type: Data collection, Database references
  • Version 1.2: 2018-05-30
    Type: Data collection, Database references
  • Version 1.3: 2019-02-20
    Type: Author supporting evidence, Data collection