4GOW

Crystal Structure of Ca2+/CaM:Kv7.4 (KCNQ4) B helix complex

Structural Biology Knowledgebase: 4GOW SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.268
  • R-Value Work: 0.236

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 4GOW

Classification: PROTEIN BINDING

Total Structure Weight: 24707.11

Macromolecule Entities
Molecule Chains Length Organism Details
Calmodulin D 144 Homo sapiens Gene Name(s): CALM1 Gene View CALM CAM CAM1 CALM2 Gene View CAM2 CAMB CALM3 Gene View CALML2 CAM3 CAMC CAMIII
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Potassium voltage-gated channel subfamily KQT member 4 A 72 Homo sapiens Fragment: UNP residues 522-593
Gene Name(s): KCNQ4 Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
CA
Query on CA

D CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.268
  • R-Value Work: 0.236
  • Space Group: P 65 2 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 104.07 α = 90.00
b = 104.07 β = 90.00
c = 113.73 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2012-08-20
  • Released Date: 2012-12-12
  • Deposition author(s): Xu, Q., Chang, A., Tolia, A., Minor Jr., D.L.

Revision History

  • 2013-05-22
    Type: Citation | Details: Citation update