Day 167 (Xp21.3-Xp21.1): dystrophin, broken in Duchenne’s muscular dystrophy


Day 167 has 20 protein-coding genes (browser view) including DMD (dystrophin).

DMD is often cited as the largest gene in the genome, but at 2241765 base pairs, it ranks third behind CNTNAP2 (Day 162 (7q34-7q36.1): the longest gene, 2304997) and PTPRD (2298478).

DMD is an important component of muscle and the gene acronym comes from Duchenne’s muscular dystrophy. Duchenne was a pioneer of understanding electrophysiology.

Click here to see all 8668939 letters of Day 167 with DMD underlined.

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