Day 170 has 53 protein-coding genes (browser view) with a cluster of MAGE genes including MAGED2 (melanoma-associated antigen G2).
The first MAGE genes are named because they were discovered to be turned on in melanoma cells but not in other cells – but that turned out not to be true of the rest of the related genes in the family.
Click here to see all 8668938 letters of Day 170 with MAGED2 underlined.