Day 302 has 196 protein-coding genes (browser view) including SRRM2 (serine/arginine repetitive matrix 2).
SRRM2 encodes one of the longest homopolymer tracts in the genome: a string of 42 serines chained together in the protein (a polyserine tract).
Click here to see all 8212576 letters of Day 302 with SRRM2 underlined.