Day 284 has 56 protein-coding genes (browser view), including MTHFD1 (methylenetetrahydrofolate dehydrogenase, cyclohydrolase and formyltetrahydrofolate synthetase 1).
At 95 characters, this is the longest official name for a human gene.
Click here to see all 8234132 letters of Day 284 with MTHFD1 underlined.