Q9NYG8 (KCNK4_HUMAN) Homo sapiens (Human)

Potassium channel subfamily K member 4 UniProtKBInterProSTRINGInteractive Modelling

393 aa; Sequence (Fasta) ; (Isoform 2); 3 identical sequences: Pan troglodytes: A0A6D2X5Q7, A0A2J8QCT9; Gorilla gorilla gorilla: G3RRZ9

Available Structures

12 Experimental Structures

DescriptionPDB IDOligo-stateRangeLigands
Human TRAAK K+ channel FHIEG mutant A198E in a K+ bound conductive conformation
7lj5
 Heteromer
2-261
7×K; 3×CA;
Assess
Human TRAAK K+ channel FHEIG mutant A198E in a Tl+ bound conductive conformation
7lja
 Heteromer
2-261
8×TL; 3×CA;
Assess
Human TRAAK K+ channel FHEIG mutant A270P in a K+ bound conductive conformation
7lj4
 Heteromer
2-261
7×K; 3×CA;
Assess
Human TRAAK K+ channel in a K+ bound conductive conformation
4wfe
 Heteromer
2-260
6×K; 3×CA;
Assess
Human TRAAK K+ channel in a K+ bound nonconductive conformation
4wff
 Heteromer
2-260
5×K; 3×CA; 1×D10;
Assess
Human two pore domain K+ channel TRAAK (K2P4.1) - Fab complex structure
4i9w
 Heteromer
2-260
5×K; 2×CA;
Assess
Human TRAAK K+ channel mutant G158D in a K+ bound conductive conformation
7ljb
 Heteromer
2-260
6×K; 3×CA;
Assess
Human TRAAK K+ channel in a Tl+ bound conductive conformation
4wfg
 Heteromer
2-260
8×TL; 3×CA;
Assess
Human TRAAK K+ channel in a Tl+ bound nonconductive conformation
4wfh
 Heteromer
2-260
7×TL; 3×CA; 1×D10;
Assess
Crystal structure of the human two pore domain K+ ion channel TRAAK (K2P4.1)
3um7
homo-2-mer1-264
5×K;
Assess
Human K2P4.1 (TRAAK) potassium channel, G124I mutant
4rue
homo-2-mer1-259
6×K;
Assess
Human K2P4.1 (TRAAAK) potassium channel, W262S mutant
4ruf
homo-2-mer1-257
6×K;
Assess

2 SWISS-MODEL models

TemplateOligo-stateQMEANDisCoRangeLigandsTrg-Tpl Seq id (%)
4i9w.1.Bmonomer0.712-258
99.27
Assess
3um7.1.Ahomo-2-mer0.711-264
4×K;99.27
Assess

2 SWISS-MODEL models built on isoform sequence

TemplateIsoformOligo-stateQMEANDisCoRangeLigandsTrg-Tpl Seq id (%)
Isoform 23um7.1.Ahomo-2-mer0.6925-290
4×K;99.33
Assess
Isoform 24rue.1.Ahomo-2-mer0.6623-285
4×K;99.00
Assess