4G28

Calcium-calmodulin complexed with the calmodulin binding domain from a small conductance potassium channel splice variant and EBIO-1

Structural Biology Knowledgebase: 4G28 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.63 Å
  • R-Value Free: 0.227
  • R-Value Work: 0.192

Literature

Macromolecules
Sequence Display for 4G28

Classification: METAL TRANSPORT / CALCIUM BINDING PROTEIN

Total Structure Weight: 29718.79

Macromolecule Entities
Molecule Chains Length Organism Details
Small conductance calcium-activated potassium channel protein 2 B 102 Rattus norvegicus Fragment: calmodulin binding domain (UNP residues 396-487)
Gene Name(s): Kcnn2
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Calmodulin R 149 Rattus norvegicus Gene Name(s): Calm1 Calm Cam Cam1 Calm2 Cam2 Camb Calm3 Cam3 Camc
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
0W8
Query on 0W8

R 1-ethyl-1,3-dihydro-2H-benzimidazol-2-one
C9 H10 N2 O
CXUCKELNYMZTRT-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

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

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

R CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
0W8 Ki: >50000 nM (90) BindingDB

N/A in BindingMoad
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.63 Å
  • R-Value Free: 0.227
  • R-Value Work: 0.192
  • Space Group: C 1 2 1

Unit Cell:

Length (Å) Angle (°)
a = 77.02 α = 90.00
b = 66.67 β = 94.02
c = 64.92 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2012-07-11
  • Released Date: 2012-09-12
  • Deposition author(s): Zhang, M., Pascal, J.M., Zhang, J.-F.

Revision History

No revisions since initial release