2P7T

Crystal Structure of KcsA mutant


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.05 Å
  • R-Value Free: 0.234
  • R-Value Work: 0.219

Literature

Macromolecules
Sequence Display for 2P7T

Classification: MEMBRANE PROTEIN

Total Structure Weight: 58605.20

Macromolecule Entities
Molecule Chains Length Organism Details
FAB-A A 219 Mus musculus
FAB-B B 212 Mus musculus
Voltage-gated potassium channel C 103 Streptomyces lividans Mutation: E71S, L90C
Gene Name(s): kcsA skc1
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Membrane Protein

Source: inferred by homology | Group: ALPHA-HELICAL

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

Protein Name: KcsA Potassium channel, H+ gated


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

C (1S)-2-HYDROXY-1-[(NONANOYLOXY)METHYL]ETHYL MYRISTATE
C26 H50 O5
IHUWMVGHYXVIRN-DEOSSOPVSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
F09
Query on F09

A NONAN-1-OL
C9 H20 O
ZWRUINPWMLAQRD-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
K
Query on K

C POTASSIUM ION
K
NPYPAHLBTDXSSS-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.05 Å
  • R-Value Free: 0.234
  • R-Value Work: 0.219
  • Space Group: I 4

Unit Cell:

Length (Å) Angle (°)
a = 156.34 α = 90.00
b = 156.34 β = 90.00
c = 76.00 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2007-03-20
  • Released Date: 2007-10-09
  • Deposition author(s): Cordero-Morales, J.F., Vishwanath, J., Lewis, A., Valeria, V.R., Cortes, D.M., Roux, B., Perozo, E.

Revision History

  • Version 1_0: 2007-10-09

    Type: Initial release

  • Version 1_1: 2011-07-13

    Type: Derived calculations, Version format compliance

  • Version 1_2: 2011-08-10

    Type: Structure summary