Chromobox Protein Homolog 3

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** Chromobox protein homolog 3 (183 aa, ~21 kDa) is encoded by the human CBX3 gene. This soluble, nuclear protein plays a role in epigenetic repression of chromatin and association of heterochromatin with the inner nuclear membrane.

**Synonyms:** - CBX3 - HECH - HP1 gamma - Heterochromatin protein 1 homolog gamma - Modifier 2 protein