Day 339 has 102 protein-coding genes (browser view), and also the noncoding regions HAR1A and HAR1B (highly accelerated region 1A and 1B).
Like Day 58 (2q37.1-2qter): HACNS1, the strongest noncoding innovation in the human genome, this is a human-accelerated region. It overlaps a long noncoding RNA expressed in brain.
Click here to see all 8055521 letters of Day 339 with HAR1A underlined.