1ORQ

X-ray structure of a voltage-dependent potassium channel in complex with an Fab


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.2 Å
  • R-Value Free: 0.298
  • R-Value Work: 0.253

Literature

Macromolecules
Sequence Display for 1ORQ

Classification: MEMBRANE PROTEIN

Total Structure Weight: 72602.72

Macromolecule Entities
Molecule Chains Length Organism Details
6E1 Fab light chain A 215 Mus musculus Gene Name(s):
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
6E1 Fab heavy chain B 219 Mus musculus Gene Name(s): Igh-1a
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
potassium channel C 223 Aeropyrum pernix Fragment: KvAP
Mutation: Y46C
Gene Name(s): APE_0955
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Membrane Protein

Source: mpstruc | Group: ALPHA-HELICAL

Subgroup Name: Channels: Potassium, Sodium, & Proton Ion-Selective

Protein Name: KvAP Voltage-gated potassium Channel in complex with Fab


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

A, B, C CADMIUM ION
Cd
WLZRMCYVCSSEQC-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
K
Query on K

C 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: 3.2 Å
  • R-Value Free: 0.298
  • R-Value Work: 0.253
  • Space Group: I 4 2 2

Unit Cell:

Length (Å) Angle (°)
a = 189.44 α = 90.00
b = 189.44 β = 90.00
c = 150.48 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2003-03-14
  • Released Date: 2003-05-06
  • Deposition author(s): Jiang, Y., Lee, A., Chen, J., Ruta, V., Cadene, M., Chait, B.T., MacKinnon, R.

Revision History

  • Version 1_0: 2003-05-06

    Type: Initial release

  • Version 1_1: 2008-04-29

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Derived calculations, Version format compliance