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Calcium-activated chloride channel bestrophin-1, from chicken, in complex with Fab antibody fragments, chloride and calcium

Organism: Gallus gallus
Model: Experimental
Representation: Atomistic
Type: α-helical

Pfam Acc: PF01062
PDB ID: 4RDQ


Membrane assignment:

Output PDB file Download

Hydrophobic thickness = 33.0 Å

Number of TM segments = 20

Sequence positions:
A: 27-50|65-84|235-258|269-289
C: 27-50|62-84|238-258|269-289
B: 27-50|65-84|235-258|269-289
E: 27-50|65-84|235-257|270-289
D: 27-50|65-84|237-258|270-289

Tilt angles:
A - Segment: 27-50 - Tilt: 22.6°
A - Segment: 65-84 - Tilt: 23.0°
A - Segment: 235-258 - Tilt: 29.0°
A - Segment: 269-289 - Tilt: 16.5°
C - Segment: 27-50 - Tilt: 24.6°
C - Segment: 62-84 - Tilt: 27.9°
C - Segment: 238-258 - Tilt: 24.7°
C - Segment: 269-289 - Tilt: 14.5°
B - Segment: 27-50 - Tilt: 23.2°
B - Segment: 65-84 - Tilt: 24.3°
B - Segment: 235-258 - Tilt: 29.3°
B - Segment: 269-289 - Tilt: 15.9°
E - Segment: 27-50 - Tilt: 23.6°
E - Segment: 65-84 - Tilt: 23.0°
E - Segment: 235-257 - Tilt: 33.1°
E - Segment: 270-289 - Tilt: 13.2°
D - Segment: 27-50 - Tilt: 24.8°
D - Segment: 65-84 - Tilt: 24.3°
D - Segment: 237-258 - Tilt: 19.2°
D - Segment: 270-289 - Tilt: 12.3°


Structural assessment:

MAIDEN score = -159.5148
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]