http://www.thinkgeek.com/product/ivlq/ Day 246 has 48 protein-coding genes (browser view) including DOCK1 (dedicator of cytokinesis 1).
DOCK1 is a GEF protein, which means that it flips switches on other proteins called G proteins as cells make the decision to divide or engulf other cells.
Click here to see all 8362339 letters of Day 246 with DOCK1 underlined.