http://www.pnas.org/content/102/39/13944.figures-only Day 269 has 40 protein-coding genes (browser view) and also some important noncoding genes, like MIR15 and MIR16-1 (microRNA 16-1).
The microRNAs in this region are often found deleted in chronic lymphocytic leukemia, pointing to their normal role in controlling the cell cycle by regulating other genes.
Click here to see all 8168880 letters of Day 269 with MIR16-1 underlined.