Day 227 (11q22.1-11q22.3): nine matrixin genes


Day 227 has 47 protein-coding genes (browser view) including 9 MMP genes (matrix metalloproteinase).

MMPs, or matrixins, are enzymes that break down the extracellular matrix. These important proteins were first discovered in 1962 when a tadpole fin was shown to break down a collagen plate.

Click here to see all 8442914 letters of Day 227 with MMP1 underlined.

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