https://en.wikipedia.org/wiki/Aquaporin#/media/File:Aquaporin-Sideview.png Day 224 has 37 protein-coding genes (browser view) including AQP11 (aquaporin 11).
Aquaporins are water pumps at the cell membrane. The 2003 Nobel Prize in Medicine was awarded for the 1993 discovery of the first aquaporin.
Click here to see all 8442914 letters of Day 224 with AQP11 underlined.