2H8P

Structure 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: 0.242
  • R-Value Work: 0.233

Literature

Macromolecules
Sequence Display for 2H8P

Classification: MEMBRANE PROTEIN

Total Structure Weight: 58202.55

Macromolecule Entities
Molecule Chains Length Organism Details
FAB heavy chain A 219 Mus musculus Gene Name(s): Ighg RGD1359539
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
FAB light chain B 212 Mus musculus Gene Name(s):
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
KcsA Channel C 57 Streptomyces lividans Fragment: Residues 1-79
Gene Name(s): kcsA skc1
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
KcsA Channel D 43 Streptomyces lividans Fragment: Residues 80-122
Gene Name(s): kcsA skc1

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)
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)
K
Query on K

C, D POTASSIUM ION
K
NPYPAHLBTDXSSS-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: 0.242
  • R-Value Work: 0.233
  • Space Group: I 4

Unit Cell:

Length (Å) Angle (°)
a = 155.88 α = 90.00
b = 155.88 β = 90.00
c = 75.52 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2006-06-07
  • 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