4PDM

Crystal Structure of K+ selective NaK mutant in rubidium

  • Classification: TRANSPORT PROTEIN
  • Organism(s): Bacillus cereus ATCC 14579
  • Expression System: Escherichia coli
  • Mutation(s): Yes 
  • Membrane Protein: Yes  PDBTMMemProtMD

  • Deposited: 2014-04-19 Released: 2014-07-09 
  • Deposition Author(s): Lam, Y.
  • Funding Organization(s): Howard Hughes Medical Institute (HHMI), National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS), Welch Foundation

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.58 Å
  • R-Value Free: 0.234 
  • R-Value Work: 0.204 
  • R-Value Observed: 0.206 

Starting Model: experimental
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wwPDB Validation   3D Report Full Report


This is version 1.3 of the entry. See complete history. 


Literature

High Resolution Structural Views of Rubidium, Cesium and Barium Binding within a Potassium Selective Channel Filter

Lam, Y., Zeng, W., Sauer, D.B., Jiang, Y.

To be published.

Macromolecules
Find similar proteins by: 
(by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Potassium channel protein
A, B
97Bacillus cereus ATCC 14579Mutation(s): 2 
Gene Names: BC_0669
Membrane Entity: Yes 
UniProt
Find proteins for Q81HW2 (Bacillus cereus (strain ATCC 14579 / DSM 31 / CCUG 7414 / JCM 2152 / NBRC 15305 / NCIMB 9373 / NCTC 2599 / NRRL B-3711))
Explore Q81HW2 
Go to UniProtKB:  Q81HW2
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ81HW2
Sequence Annotations
Expand
  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
MPD
Query on MPD
Download Ideal Coordinates CCD File 
F [auth A],
J [auth B],
K [auth B]		(4S)-2-METHYL-2,4-PENTANEDIOL
C6 H14 O2
SVTBMSDMJJWYQN-YFKPBYRVSA-N
RB
Query on RB
Download Ideal Coordinates CCD File 
C [auth A]
D [auth A]
E [auth A]
G [auth B]
H [auth B]
C [auth A],
D [auth A],
E [auth A],
G [auth B],
H [auth B],
I [auth B]
RUBIDIUM ION
Rb
NCCSSGKUIKYAJD-UHFFFAOYSA-N
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.58 Å
  • R-Value Free: 0.234 
  • R-Value Work: 0.204 
  • R-Value Observed: 0.206 
  • Space Group: I 4
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 68.011α = 90
b = 68.011β = 90
c = 89.346γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement

Structure Validation

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View more in-depth experimental data
Entry History & Funding Information

Deposition Data

  • Released Date: 2014-07-09 
    • Deposition Author(s): Lam, Y.
Funding OrganizationLocationGrant Number
Howard Hughes Medical Institute (HHMI)United States--
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)United StatesGM079179
Welch FoundationUnited StatesGrant I-1578

Revision History  (Full details and data files)

  • Version 1.0: 2014-07-09
    Type: Initial release
  • Version 1.1: 2017-09-27
    Changes: Author supporting evidence, Database references, Derived calculations, Other, Source and taxonomy
  • Version 1.2: 2019-11-20
    Changes: Author supporting evidence
  • Version 1.3: 2023-09-27
    Changes: Data collection, Database references, Derived calculations, Refinement description