Download MendeleyHigh 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.
4PDM
Crystal Structure of K+ selective NaK mutant in rubidium
- PDB DOI: https://doi.org/10.2210/pdb4PDM/pdb
- 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
- 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
wwPDB Validation 3D Report Full Report
This is version 1.3 of the entry. See complete history.
Literature
To be published.
Macromolecules
Find similar proteins by:
(by identity cutoff) | 3D Structure
Entity ID: 1 | |||||
|---|---|---|---|---|---|
| Molecule | Chains | Sequence Length | Organism | Details | Image |
| Potassium channel protein | 97 | Bacillus cereus ATCC 14579 | Mutation(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 Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
| UniProt Group | Q81HW2 | ||||
Sequence AnnotationsExpand | |||||
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Small Molecules
| Ligands 2 Unique | |||||
|---|---|---|---|---|---|
| ID | Chains | Name / Formula / InChI Key | 2D Diagram | 3D Interactions | |
| MPD Query on MPD | 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 | C [auth A] D [auth A] E [auth A] G [auth B] H [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 = 68.011 | α = 90 |
| b = 68.011 | β = 90 |
| c = 89.346 | γ = 90 |
| Software Name | Purpose |
|---|---|
| PHENIX | refinement |
Entry History & Funding Information
Deposition Data
- Released Date: 2014-07-09 Deposition Author(s): Lam, Y.
| Funding Organization | Location | Grant Number |
|---|---|---|
| Howard Hughes Medical Institute (HHMI) | United States | -- |
| National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) | United States | GM079179 |
| Welch Foundation | United States | Grant 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
