Chromatin (IMAGE)

Max-Planck-Gesellschaft

Chromatin

Caption

Methylation of histones within heterochromatin: The enzymes Prdm3 and Prdm16 attach a methyl group to histone H3. In the cell nucleus, Suv39h attaches two further methyl groups. The cell appears to require this triple methylation for heterochromatin to be stable.

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Art For Science

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