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Human two pore domain K⁺ ion channel TRAAK (K2P4.1)

Organism: Homo sapiens
Model: Experimental
Representation: Atomistic
Type: α-helical

Pfam Acc: PF07885
PDB ID: 3UM7


Membrane assignment:

Output PDB file Download

Hydrophobic thickness = 21.9 Å

Number of TM segments = 8

Sequence positions:
A: 32-46|144-165|199-214|259-276
B: 33-49|144-162|202-216|256-276

Tilt angles:
A - Segment: 32-46 - Tilt: 30.5°
A - Segment: 144-165 - Tilt: 54.3°
A - Segment: 199-214 - Tilt: 17.5°
A - Segment: 259-276 - Tilt: 41.1°
B - Segment: 33-49 - Tilt: 31.1°
B - Segment: 144-162 - Tilt: 41.7°
B - Segment: 202-216 - Tilt: 32.6°
B - Segment: 256-276 - Tilt: 52.1°


Structural assessment:

MAIDEN score = -53.4206
The MAIDEN score is aimed at assessing the relative quality, i.e. ranking several models (the lower the score, the better the model). It comes here with a color code (red > yellow > green > blue), which is derived from a z-score calculation and indicates the absolute quality.


Scores for all residue pairs Download




[creation date: Sep-08-2016]