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Ligands
Code Name Style Show Link
CA Calcium ion
TL Thallium (I) ion
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Code : 4WFG   PDBj   RCSB PDB   PDBe
Header : METAL TRANSPORT
Title : Human TRAAK K+ channel in a Tl+ bound conductive conformation
Release Data : 2014-12-03
Compound :
mol_id molecule chains synonym
1 Potassium channel subfamily K member 4 A,B TWIK-related arachidonic acid-stimulated potassium channel protein,TRAAK,Two pore potassium channel KT4.1,Two pore K(+) channel KT4.1
mutation: N104Q, N108Q
mol_id molecule chains
2 ANTI-TRAAK ANTIBODY 13E9 FAB FRAGMENT LIGHT CHAIN D,F
mol_id molecule chains
3 ANTI-TRAAK ANTIBODY 13E9 FAB FRAGMENT HEAVY CHAIN E,G
Source :
mol_id organism_scientific organism_common expression_system
1 Homo sapiens  (taxid:9606) Human Komagataella pastoris  (taxid:4922)
gene: KCNK4, TRAAK
mol_id organism_scientific organism_common expression_system
2 Mus musculus  (taxid:10090) Mouse Mus musculus  (taxid:10090)
mol_id organism_scientific organism_common expression_system
3 Mus musculus  (taxid:10090) Mouse Mus musculus  (taxid:10090)
Authors : Brohawn, S.G., MacKinnon, R.
Keywords : Mechanosensitive ion channel, two-pore domain potassium ion channel, membrane protein, METAL TRANSPORT
Exp. method : X-RAY DIFFRACTION ( 3.00 Å )
Citation :

Physical mechanism for gating and mechanosensitivity of the human TRAAK K+ channel.

Brohawn, S.G.,Campbell, E.B.,MacKinnon, R.
(2014)  Nature  516 : 126 - 130

PubMed: 25471887
DOI: 10.1038/nature14013

Chain : A, B
UniProt : Q9NYG8 (KCNK4_HUMAN)
Reaction : -