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Urea channel from the human gastric pathogen Helicobacter pylori

Organism: Helicobacter pylori
Model: Experimental
Representation: Coarse-grained
Type: α-helical

Pfam Acc: PF02293
PDB ID: 3UX4


Membrane assignment:

Output PDB file Download

Hydrophobic thickness = 21.3 Å

Number of TM segments = 17

Sequence positions:
A: 4-18|30-45|63-77|88-101|129-143|154-169
C: 362-378|390-405|422-437|449-464|489-502|514-529
B: 211-225|243-256|268-283|308-322|334-352

Tilt angles:
A - Segment: 4-18 - Tilt: 31.6°
A - Segment: 30-45 - Tilt: 31.5°
A - Segment: 63-77 - Tilt: 16.4°
A - Segment: 88-101 - Tilt: 26.3°
A - Segment: 129-143 - Tilt: 24.0°
A - Segment: 154-169 - Tilt: 36.3°
C - Segment: 362-378 - Tilt: 26.4°
C - Segment: 390-405 - Tilt: 34.4°
C - Segment: 422-437 - Tilt: 21.7°
C - Segment: 449-464 - Tilt: 24.3°
C - Segment: 489-502 - Tilt: 21.3°
C - Segment: 514-529 - Tilt: 29.0°
B - Segment: 211-225 - Tilt: 27.5°
B - Segment: 243-256 - Tilt: 8.4°
B - Segment: 268-283 - Tilt: 25.8°
B - Segment: 308-322 - Tilt: 25.2°
B - Segment: 334-352 - Tilt: 40.7°


Structural assessment:

MAIDEN score = -28.9582
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]