1G4Y

1.60 A CRYSTAL STRUCTURE OF THE GATING DOMAIN FROM SMALL CONDUCTANCE POTASSIUM CHANNEL COMPLEXED WITH CALCIUM-CALMODULIN

Structural Biology Knowledgebase: 1G4Y SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.6 Å
  • R-Value Free: 0.251
  • R-Value Work: 0.221

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1G4Y

Classification: SIGNALING PROTEIN

Total Structure Weight: 29003.05

Macromolecule Entities
Molecule Chains Length Organism Details
CALCIUM-ACTIVATED POTASSIUM CHANNEL RSK2 B 101 Rattus norvegicus Fragment: CALMODULIN-BINDING DOMAIN
Gene Name(s): Kcnn2
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
CALMODULIN R 148 Rattus norvegicus Gene Name(s): Calm1 Calm Cam Cam1 Calm2 Cam2 Camb Calm3 Cam3 Camc
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
SO4
Query on SO4

B SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

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

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.6 Å
  • R-Value Free: 0.251
  • R-Value Work: 0.221
  • Space Group: C 1 2 1

Unit Cell:

Length (Å) Angle (°)
a = 77.65 α = 90.00
b = 66.69 β = 93.70
c = 64.69 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-01-07
  • Released Date: 2001-05-09
  • Deposition author(s): Schumacher, M.A., Rivard, A., Bachinger, H.P., Adelman, J.P.

Revision History

  • 2011-11-16
    Type: Atom occupancy | Details: Atom occupancy
  • 2011-07-13
    Type: Biological assembly | Details: Added software calculated values
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4