Diameter of narrow pores formed by water channels

Range 0.3 - 0.4 nm
Organism Eukaryotes
Reference Maurel C. Aquaporins and water permeability of plant membranes. Annu Rev Plant Physiol Plant Mol Biol. 1997 Jun48: 399-429. p.415 2nd paragraphPubMed ID15012269
Primary Source Kiyosawa K, Ogata K. 1987. Influence of external osmotic pressure on water permeability and electrical conductance of Chara cell membrane. Plant Cell Physiol. 28: 1013–22 & Macey RI. 1984. Transport of water and urea in red blood cells. Am. J. Physiol. 246:C195–203PubMed ID6199982
Comments "The molecular bases of water channel selectivity are currently unknown (118). These channels have been assumed to form narrow pores of 0.3–0.4 nm in diameter that would exclude any molecule larger than water (primary sources)."
Entered by Uri M
ID 110413