CNOT4 is a 575 amino acid protein with E3 ubiquitin ligase activity, mainly involved in protein modification and protein ubiquitination. It contains a ring type zinc finger domain of the C4C4 type, an RNA recognition motif and a bipartite nuclear localization signal.Studies show that CNOT4 is a component of the CCR4-NOT (CAF1) core complex that functions as general transcription regulation complex and has both a positive as well as a negative effect on the transcription of multiple functionally unrelated genes, thus controls gene expression. CNOT4 interacts with CNOT1 via C-terminus and with E2 ubiquitin ligases via C4C4 RING domain. Reports suggest that CNOT4 gets phosphorylated in response to DNA damage on consensus sites recognized by ATM and ATR.
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Protein Aliases: CCR4-associated factor 4; CCR4-NOT transcription complex subunit 4; CCR4-NOT transcription complex, subunit 4; E3 ubiquitin-protein ligase CNOT4; NOT4 (negative regulator of transcription 4, yeast) homolog; Potential transcriptional repressor NOT4Hp; RING-type E3 ubiquitin transferase CNOT4
Gene Aliases: CLONE243; CNOT4; NOT4; NOT4H
UniProt ID: (Human) O95628
Entrez Gene ID: (Human) 4850