3SJQ

Crystal structure of a small conductance potassium channel splice variant complexed with calcium-calmodulin

Structural Biology Knowledgebase: 3SJQ SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.200
  • R-Value Work: 0.169

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 3SJQ

Classification: METAL BINDING PROTEIN

Total Structure Weight: 56778.48

Macromolecule Entities
Molecule Chains Length Organism Details
Calmodulin A, B 149 Rattus norvegicus Gene Name(s): Calm1 Calm Cam Cam1 Calm2 Cam2 Camb Calm3 Cam3 Camc
Small conductance calcium-activated potassium channel protein 2 C, D 87 Rattus norvegicus Fragment: Calmodulin binding domain, UNP residues 412-487
Gene Name(s): Kcnn2

Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
PHU
Query on PHU

A, B, C, D 1-phenylurea
Phenylurea (Synonym)
C7 H8 N2 O
LUBJCRLGQSPQNN-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

A, B, C, D SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
GOL
Query on GOL

A, B, D GLYCEROL
2, (Synonym)
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

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

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.200
  • R-Value Work: 0.169
  • Space Group: P 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 47.74 α = 90.68
b = 65.63 β = 110.45
c = 66.08 γ = 111.02

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2011-06-21
  • Released Date: 2012-05-30
  • Deposition author(s): Zhang, M., Pascal, J.M., Zhang, J.-F.

Revision History

No revisions since initial release