Brand  (β version)

PDB ID: 1R3L

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Ligands
Code Name Style Show Link
CS Cesium ion PoSSuM
DGA Diacyl glycerol PoSSuM
F09 Nonan-1-ol PoSSuM
Non-standard Residues
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Glycosylation
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Structure summary

Code : 1R3L   PDBj   RCSB PDB   PDBe
Header : MEMBRANE PROTEIN
Title : potassium channel KcsA-Fab complex in Cs+
Release Data : 2003-11-25
Compound :
mol_id molecule chains
1 Antibody Fab fragment light chain A
mol_id molecule chains
2 Antibody Fab fragment heavy chain B
mol_id molecule chains
3 Voltage-gated potassium channel C
mutation: P2A,L90C
Source :
mol_id organism_scientific organism_common
1 Mus musculus  (taxid:10090) House mouse
mol_id organism_scientific organism_common
2 Mus musculus  (taxid:10090) House mouse
mol_id organism_scientific expression_system
3 Streptomyces lividans  (taxid:1916) Escherichia coli  (taxid:562)
gene: KCSA, SKC1, SCO7660, SC10F4.33
expression_system_strain: Xl1Blue
expression_system_vector_type: plasmid
expression_system_plasmid: pQE60
Authors : Zhou, Y., MacKinnon, R.
Keywords : membrane protein, potassium channel, KcsA-Fab complex, Cesium
Exp. method : X-RAY DIFFRACTION ( 2.41 Å )
Citation :

The occupancy of ions in the K+ selectivity filter: Charge balance and coupling of ion binding to a protein conformational change underlie high conduction rates

Zhou, Y.,MacKinnon, R.
(2003)  J.Mol.Biol.  333 : 965 - 975

PubMed: 14583193
DOI: 10.1016/j.jmb.2003.09.022

Reaction

Chain : C
UniProt : P0A334 (KCSA_STRLI)
Reaction : -