2NLJ

Potassium Channel KcsA(M96V)-Fab complex in KCl


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.52 Å
  • R-Value Free: 0.255
  • R-Value Work: 0.235

Literature

Macromolecules
Sequence Display for 2NLJ

Classification: MEMBRANE PROTEIN

Total Structure Weight: 60768.81

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 lividans Fragment: RESIDUES 1-124
Mutation: P2A, L90C, M96V
Gene Name(s): kcsA skc1
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Membrane Protein

Source: mpstruc | Group: ALPHA-HELICAL

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

Protein Name: KcsA Potassium channel, H+ gated


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

A DIACYL GLYCEROL
C39 H76 O5
UHUSDOQQWJGJQS-QNGWXLTQSA-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: 2.52 Å
  • R-Value Free: 0.255
  • R-Value Work: 0.235
  • Space Group: I 4

Unit Cell:

Length (Å) Angle (°)
a = 155.38 α = 90.00
b = 155.38 β = 90.00
c = 75.72 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2006-10-20
  • Released Date: 2007-05-15
  • Deposition author(s): Lockless, S.W., Zhou, M., MacKinnon, R.

Revision History

  • Version 1_0: 2007-05-15

    Type: Initial release

  • Version 1_1: 2008-05-01

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Derived calculations, Version format compliance

  • Version 1_3: 2011-11-16

    Type: Atomic model

  • Version 1_4: 2017-10-18

    Type: Refinement description