http://www.madd.org Day 297 has 70 protein-coding genes (browser view), including SMAD3 (SMAD family member 3).
SMAD was given its name when discovered in fly, and was named mothers against decapentaplegic because it was one of the genes with the opposite effect of the gene decapentaplegic. Both genes control the body plan during development.
Click here to see all 8499266 letters of Day 297 with SMAD3 underlined.