1LNQ

CRYSTAL STRUCTURE OF MTHK AT 3.3 A


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.3 Å
  • R-Value Free: 0.318
  • R-Value Work: 0.301

Literature

Macromolecules
Sequence Display for 1LNQ

Classification: METAL TRANSPORT

Total Structure Weight: 299169.91

Macromolecule Entities
Molecule Chains Length Organism Details
POTASSIUM CHANNEL RELATED PROTEIN A, B, C..., D, E, F, G, HA, B, C, D, E, F, G, H 336 Methanothermobacter thermautotrophicus 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, D, E, F, G, H 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: 3.3 Å
  • R-Value Free: 0.318
  • R-Value Work: 0.301
  • Space Group: P 61

Unit Cell:

Length (Å) Angle (°)
a = 137.00 α = 90.00
b = 137.00 β = 90.00
c = 373.30 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2002-05-03
  • Released Date: 2002-06-19
  • Deposition author(s): Jiang, Y., Lee, A., Chen, J., Cadene, M., Chait, B.T., Mackinnon, R.

Revision History

  • Version 1_0: 2002-06-19

    Type: Initial release

  • Version 1_1: 2007-10-16

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Derived calculations, Version format compliance

  • Version 1_3: 2014-11-12

    Type: Structure summary