http://www.webdesignerdepot.com/2010/06/the-creepy-art-of-human-bones/ Day 319 has 62 protein-coding genes (browser view) including COL1A1 (collagen, type I, alpha 1), which makes up Type I collagen, the most abundant collagen in the human body.
Type I collagen is important to forming skin and bone, and mutations cause problems with the bones.
Click here to see all 8325744 letters of Day 319 with COL1A1 underlined.