8CU4

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, 1us, with eightfold extrapolation of structure factor differences


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.01 Å
  • R-Value Free: 0.372 
  • R-Value Work: 0.343 
  • R-Value Observed: 0.344 

Starting Model: experimental
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wwPDB Validation   3D Report Full Report


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.

Macromolecules
Find similar proteins by:  (by identity cutoff)  |  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
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  • Reference Sequence
Oligosaccharides

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Entity ID: 2
MoleculeChains Length2D Diagram Glycosylation3D 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]
BA [auth B]
CA [auth B]
D [auth A]
DA [auth B]
AA [auth B],
BA [auth B],
CA [auth B],
D [auth A],
DA [auth B],
E [auth A],
F [auth A],
G [auth A],
H [auth A],
I [auth A],
J [auth A],
K [auth A],
L [auth A],
M [auth A],
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 
EA [auth B]
FA [auth B]
GA [auth B]
HA [auth B]
IA [auth B]
EA [auth B],
FA [auth B],
GA [auth B],
HA [auth B],
IA [auth B],
JA [auth B],
N [auth A],
O [auth A],
P [auth A],
Q [auth A],
R [auth A],
S [auth A]
POTASSIUM ION
K
NPYPAHLBTDXSSS-UHFFFAOYSA-N
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.01 Å
  • R-Value Free: 0.372 
  • R-Value Work: 0.343 
  • R-Value Observed: 0.344 
  • 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