1S5H

Potassium Channel Kcsa-Fab Complex T75C mutant in K+


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Free: 0.240
  • R-Value Work: 0.222

Literature

Macromolecules
Sequence Display for 1S5H

Classification: MEMBRANE PROTEIN

Total Structure Weight: 61113.57

Macromolecule Entities
Molecule Chains Length Organism Details
ANTIBODY FAB FRAGMENT LIGHT CHAIN A 212 Mus musculus
ANTIBODY FAB FRAGMENT HEAVY CHAIN B 219 Mus musculus
Voltage-gated potassium channel C 124 Streptomyces coelicolor Streptomyces lividans Mutation: P2A, T75C
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
DGA
Query on DGA

C DIACYL GLYCEROL
C39 H76 O5
UHUSDOQQWJGJQS-QNGWXLTQSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
F09
Query on F09

B 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: 2.2 Å
  • R-Value Free: 0.240
  • R-Value Work: 0.222
  • Space Group: I 4

Unit Cell:

Length (Å) Angle (°)
a = 154.71 α = 90.00
b = 154.71 β = 90.00
c = 75.93 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2004-01-20
  • Released Date: 2004-05-18
  • Deposition author(s): Mackinnon, R., Zhou, M.

Revision History

  • 2008-04-29
    Type: Version format compliance
  • 2011-07-13
    Type: Version format compliance
  • 2011-11-16
    Type: Atomic model