General Information of Drug Transporter (DT)
DT ID DTD0547 Transporter Info
Gene Name KCNK4
Transporter Name Potassium channel subfamily K member 4
Gene ID
50801
UniProt ID
Q9NYG8
Modelled Structures of This DT
Click to Save PDB File in TXT Format
Detail Information of Structural Model
Method Homology modeling
Template PDB 4I9W_A_A Identity 97.683%
Performance Minimized Score -641.691 kcal/mol
Ramachandra Favored

Excellent

QMEANBrane Quality

High

Ramachandran Plot
Click to Save Ramachandran Plot in PNG Format
Ramz Z Score -0.62 ± 0.45
Residues in Favored Region 254 Ramachandran favored 98.83%
Number of Outliers 0 Ramachandran outliers 0.00%
Local Quality
Click to Save Local Quality Plot in PNG Format
QMEANBrane Score 0.85
AlphaFold Protein Structure Database
SWISS-MODEL Database
Experimental Structures of This DT
PDB ID Scanning Method Resolution Expression System Details Ref
3UM7 X-ray 3.31 Å Komagataella pastoris
Click to Show/Hide the Details
[1]
Structure
Click to Save PDB File in TXT Format
Corresponding chain A/B
Sequence Length 1-274 Mutation Yes
4I9W X-ray 2.75 Å Komagataella pastoris; Mus musculus
Click to Show/Hide the Details
[2]
Structure
Click to Save PDB File in TXT Format
Corresponding chain A/B
Sequence Length 1-274 Mutation Yes
4RUE X-ray 3.3 Å Komagataella pastoris
Click to Show/Hide the Details
[3]
Structure
Click to Save PDB File in TXT Format
Corresponding chain A/B
Sequence Length 1-274 Mutation Yes
4RUF X-ray 3.4 Å Komagataella pastoris
Click to Show/Hide the Details
[3]
Structure
Click to Save PDB File in TXT Format
Corresponding chain A/B
Sequence Length 1-274 Mutation Yes
4WFE X-ray 2.5 Å Komagataella pastoris; Mus musculus
Click to Show/Hide the Details
[4]
Structure
Click to Save PDB File in TXT Format
Corresponding chain A/B
Sequence Length 1-264 Mutation Yes
4WFF X-ray 2.5 Å Komagataella pastoris; Mus musculus
Click to Show/Hide the Details
[4]
Structure
Click to Save PDB File in TXT Format
Corresponding chain A/B
Sequence Length 1-264 Mutation Yes
4WFG X-ray 3 Å Komagataella pastoris; Mus musculus
Click to Show/Hide the Details
[4]
Structure
Click to Save PDB File in TXT Format
Corresponding chain A/B
Sequence Length 1-264 Mutation Yes
4WFH X-ray 3.01 Å Komagataella pastoris; Mus musculus
Click to Show/Hide the Details
[4]
Structure
Click to Save PDB File in TXT Format
Corresponding chain A/B
Sequence Length 1-264 Mutation Yes
References
1 Crystal structure of the human K2P TRAAK, a lipid- and mechano-sensitive K+ ion channel. Science. 2012 Jan 27;335(6067):436-41.
2 Domain-swapped chain connectivity and gated membrane access in a Fab-mediated crystal of the human TRAAK K+ channel. Proc Natl Acad Sci U S A. 2013 Feb 5;110(6):2129-34.
3 Transmembrane helix straightening and buckling underlies activation of mechanosensitive and thermosensitive K(2P) channels. Neuron. 2014 Dec 17;84(6):1198-212.
4 Physical mechanism for gating and mechanosensitivity of the human TRAAK K+ channel. Nature. 2014 Dec 4;516(7529):126-30.

If you find any error in data or bug in web service, please kindly report it to Dr. Yin and Dr. Li.