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KcsA Potassium channel in the open-inactivated state with 32 A opening at T112

Organism: Streptomyces lividans
Model: Experimental
Representation: Atomistic
Type: α-helical

Pfam Acc: PF00520
PDB ID: 3F5W


Membrane assignment:

Output PDB file Download

Hydrophobic thickness = 23.4 Å

Number of TM segments = 1

Sequence positions:
C: 90-110

Tilt angles:
C - Segment: 90-110 - Tilt: 54.7°


Structural assessment:

MAIDEN score = -4.2336
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]