Ammonia permeability of the aquaglyceroporins from:
Plasmodium falciparum, Toxoplasma gondii and Trypansoma brucei
https://onlinelibrary.wiley.com/doi/10.1111/j.1365-2958.2006.05325.x
Aquaglycer-oporins are important for the release of ammonia derived from amino acid breakdown.