8CU1 | pdb_00008cu1

Structure of a K+ selective NaK mutant (NaK2K, Laue diffraction) in the presence of an electric field of ~0.8MV/cm along the crystallographic z axis, 500ns, with eightfold extrapolation of structure factor differences


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.01 Å
  • R-Value Free: 
    0.371 (Depositor), 0.293 (DCC) 
  • R-Value Work: 
    0.334 (Depositor) 
  • R-Value Observed: 
    0.336 (Depositor) 

Starting Model: experimental
View more details

wwPDB Validation 3D Report Full Report

Validation slider image for 8CU1

This is version 1.1 of the entry. See complete history

Literature

Direct visualization of electric field-stimulated ion conduction in a potassium channel

Lee, B.White, K.I.Socolich, M.A.Klureza, M.A.Henning, R.Srajer, V.Ranganathan, R.Hekstra, D.

To be published.

Macromolecule Content 

  • Total Structure Weight: 24.14 kDa 
  • Atom Count: 2,095 
  • Modeled Residue Count: 191 
  • Deposited Residue Count: 192 
  • Unique protein chains: 1

Macromolecules

Find similar proteins by:|  3D Structure
Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
Potassium channel protein
A, B
96Bacillus cereus m1550Mutation(s): 0 
Gene Names: BCB4264_A0706
Membrane Entity: Yes 
UniProt
Find proteins for B7HBV5 (Bacillus cereus (strain B4264))
Explore B7HBV5 
Go to UniProtKB:  B7HBV5
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupB7HBV5
Sequence Annotations
Expand
Reference Sequence

Oligosaccharides

Help  
Entity ID: 2
MoleculeChains Length2D Diagram GlycosylationD Interactions
alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranoseC [auth D]2N/A
Glycosylation Resources
GlyTouCan: G07411ON
GlyCosmos: G07411ON

Small Molecules

Ligands 2 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
MPD

Query on MPD



Download:Ideal Coordinates CCD File
AA [auth B]
D [auth A]
E [auth A]
F [auth A]
G [auth A]
AA [auth B],
D [auth A],
E [auth A],
F [auth A],
G [auth A],
H [auth A],
I [auth A],
Q [auth B],
R [auth B],
S [auth B],
T [auth B],
U [auth B],
V [auth B],
W [auth B],
X [auth B],
Y [auth B],
Z [auth B]
(4S)-2-METHYL-2,4-PENTANEDIOL
C6 H14 O2
SVTBMSDMJJWYQN-YFKPBYRVSA-N
K
(Subject of Investigation/LOI)

Query on K



Download:Ideal Coordinates CCD File
BA [auth B]
CA [auth B]
DA [auth B]
EA [auth B]
FA [auth B]
BA [auth B],
CA [auth B],
DA [auth B],
EA [auth B],
FA [auth B],
GA [auth B],
J [auth A],
K [auth A],
L [auth A],
M [auth A],
N [auth A],
O [auth A],
P [auth A]
POTASSIUM ION
K
NPYPAHLBTDXSSS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.01 Å
  • R-Value Free:  0.371 (Depositor), 0.293 (DCC) 
  • R-Value Work:  0.334 (Depositor) 
  • R-Value Observed: 0.336 (Depositor) 
Space Group: I 4
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 68.816α = 90
b = 68.816β = 90
c = 90.365γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement
Precognitiondata reduction
Epinormdata reduction
PHENIXphasing
Precognitiondata scaling

Structure Validation

View Full Validation Report



Entry History 

& Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)United StatesRO1GM12345
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)United StatesRO1GM141697
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)United StatesP41GM118217
National Institutes of Health/Eunice Kennedy Shriver National Institute of Child Health & Human Development (NIH/NICHD)United StatesDP2OD028805
Department of Energy (DOE, United States)United StatesDE-AC02-06CH11357
Department of Energy (DOE, United States)United StatesDE-AC02-76SF00515
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)United StatesP41GM103393
Kinship FoundationSSP-2018-3240
New York Community Trust338034

Revision History  (Full details and data files)

  • Version 1.0: 2023-07-26
    Type: Initial release
  • Version 1.1: 2024-05-22
    Changes: Data collection