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Fig. 3 | BMC Cancer

Fig. 3

From: Atypical ubiquitin ligase RNF31: the nuclear factor modulator in breast cancer progression

Fig. 3

The known ERα protein acetylation, sumoylation and ubiquitination sites and their corresponding enzymes. The Activator Function 1 (AF1) domain at the N-terminal of the ERα protein can transactivate transcription in the absence of ligand binding. The DNA-binding domain (DBD) binds to estrogen response elements (EREs) in DNA. The AF2 domain is the ligand-dependent transactivation domain. As part of its transactivation function, the AF2 domain also binds to several co-activators and co-repressors of ERα

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