بسم الله الرحمن الرحيم. Aquaporins. The membrane water channels of the biological world. Aquaporins (AQPs) are a family of proteins that form channels to facilitate the transport of water across cell membranes.
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The membrane water channels
of the biological world
the channel with a narrow central constriction where the
NPA motifs interact, forming the functional water pore.
AQP3, 7, 9, and 10 are permeable to both water and glycerol.
(Increased water transport to the SC which has reduced water-holding capacity in AE.)
AQP3 by p73 and
AQP5 by tumour necrosis factor-alpha.