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. 2023 Mar 7;13(3):e1204. doi: 10.1002/ctm2.1204

FIGURE 3.

FIGURE 3

E3 ligases in the regulation of pro‐survival/apoptosis switch. The E3 ligases TRAF2 and cIAP mediate ubiquitination in favour of pro‐survival complex I. The presence of deubiquitinases (CYLD and A20) promote the switch from pro‐survival complex I to apoptotic complex II. LUBAC stabilises the ubiquitin chain in complex I and prevents complex II formation. Several E3 ligases function as negative regulators of apoptotic caspases.