2HFE

Rb+ complex of a K channel with an amide to ester substitution in the selectivity filter


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.25 Å
  • R-Value Free: 0.251
  • R-Value Work: 0.232

Literature

Macromolecules
Sequence Display for 2HFE

Classification: MEMBRANE PROTEIN

Total Structure Weight: 58281.20

Macromolecule Entities
Molecule Chains Length Organism Details
FAB Heavy Chain A 219 Mus musculus
FAB Light Chain B 211 Mus musculus
KcsA channel C 57 Streptomyces coelicolor Fragment: RESIDUES 1-79
Gene Name(s): kcsA skc1 SCO7660 SC10F4.33
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
KcsA channel D 43 Streptomyces coelicolor Fragment: RESIDUES 80-122
Gene Name(s): kcsA skc1 SCO7660 SC10F4.33

Small Molecules
Ligands 3 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
B3H
Query on B3H

D (2S)-2-(BUTYRYLOXY)-3-HYDROXYPROPYL NONANOATE
C16 H30 O5
JCEXPOMAGTUEEX-AWEZNQCLSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
RB
Query on RB

C, D RUBIDIUM ION
Rb
NCCSSGKUIKYAJD-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
GOA
Query on GOA

C GLYCOLIC ACID
HYDROXYACETIC ACID; HYDROXYETHANOIC ACID (Synonym)
C2 H4 O3
AEMRFAOFKBGASW-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.25 Å
  • R-Value Free: 0.251
  • R-Value Work: 0.232
  • Space Group: I 4

Unit Cell:

Length (Å) Angle (°)
a = 156.14 α = 90.00
b = 156.14 β = 90.00
c = 75.79 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2006-06-23
  • Released Date: 2006-09-12
  • Deposition author(s): Valiyaveetil, F.I., MacKinnon, R., Muir, T.W.

Revision History

  • Version 1_0: 2006-09-12

    Type: Initial release

  • Version 1_1: 2008-05-01

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Derived calculations, Version format compliance

  • Version 1_3: 2011-11-16

    Type: Atomic model