Apc4 Subunit, Anaphase-Promoting Complex-Cyclosome

**Definition:** A subunit of the anaphase-promoting complex whose primary function is to provide structural support for the catalytic and substrate-recognition modules of the complex. Apc4, along with Apc5, tethers the tetratricopeptide-coactivator binding subcomplex to the main structural subunit, Apc1.

**Tree numbers:** - D08.811.464.938.750.092.937 - D12.776.167.024.937

**Synonyms:** - Anapc4 - Apc4 Subunit, Anaphase-Promoting Complex