Day 216 (11p15.4-11p15.2): calcitonin and the discovery of splicing


Day 216 has 52 protein-coding genes (browser view) including CALCA (calcitonin-related polypeptide alpha).

The CALCA gene was the human gene where alternative splicing was first observed, in 1981. The same gene makes two different proteins: calcitonin, a thyroid hormone, and CGRP, a pain-related peptide.

Click here to see all 8442914 letters of Day 216 with CALCA underlined.

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