Protein Name: Transcription factor E4F1
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UniprotKB/SwissProt ID: E4F1_HUMAN (Q66K89)
Gene Name: E4F1
Synonyms: E4F
Organism: Homo sapiens (Human).
Function: May function as a transcriptional repressor. May also function as a ubiquitin ligase mediating ubiquitination of chromatin-associated TP53. Functions in cell survival and proliferation through control of the cell cycle. Functions in the p53 and pRB tumor suppressor pathways and regulates the cyclin CCNA2 transcription. Identified as a cellular target of the adenoviral oncoprotein E1A, it is required for both transcriptional activation and repression of viral genes.
Other Modifications: View all modification sites in dbPTM
Protein Subcellular Localization: Nucleus, nucleoplasm. Cytoplasm. Note=A small fraction is detected in the cytoplasm. Excluded from the nucleolus where it is targeted upon CDKN2A overexpression. Localizes to the mitotic spindle during embryogenesis (By similarity).
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Graphical Visualization of Ubiquitination Sites:
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| Overview of Protein Ubiquitination Sites with Functional and Structural Information |  |
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