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Helical wheel of AP3 and derivative sequences. Orange circles represent hydrophilic residues, green diamonds represent hydrophobic residues, blue triangles represent anionic, and blue pentagons represent cationic residues. The arrow and number at the center of the helical wheel is the direction and magnitude of the hydrophobic moment. Projections were made using http://rzlab.ucr.edu/scripts/wheel/wheel.cgi.
