3RBX

MthK RCK domain D184N mutant, Ca2+-bound


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å
  • R-Value Free: 0.274
  • R-Value Work: 0.240

Literature

Macromolecules
Sequence Display for 3RBX

Classification: TRANSPORT PROTEIN

Total Structure Weight: 155962.53

Macromolecule Entities
Molecule Chains Length Organism Details
Calcium-gated potassium channel mthK A, B, C..., D, E, FA, B, C, D, E, F 234 Methanothermobacter thermautotrophicus Fragment: unp residues 107-336
Mutation: D184N
Gene Name(s): mthK MTH_1520
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Membrane Protein

Source: mpstruc | Group: ALPHA-HELICAL

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

Protein Name: MthK Potassium channel, Ca++ gated


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

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

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å
  • R-Value Free: 0.274
  • R-Value Work: 0.240
  • Space Group: P 65 2 2

Unit Cell:

Length (Å) Angle (°)
a = 119.12 α = 90.00
b = 119.12 β = 90.00
c = 351.05 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2011-03-30
  • Released Date: 2011-10-12
  • Deposition author(s): Samakai, E., Rothberg, B.S.

Revision History

No revisions since initial release