Cell cycle events are regulated by the sequential activation and deactivation of cyclin dependent kinases (Cdks) and by the proteolysis of cyclins. The cell division cycle (Cdc) genes are required at various points in the cell cycle. Cdc25A, Cdc25B and Cdc25C protein tyrosine phosphatases function as mitotic activators by dephosphorylating Cdc2 p34 on regulatory tyrosine residues. Cdc6 is the human homolog of Saccharomyces cerevisiae Cdc6, which is involved in the initiation of DNA replication. Cdc37 appears to facilitate Cdk4/cyclin D1 complex formation and has been shown to form a stable complex with Hsp90. Cdc34, Cdc27 and Cdc16 function as ubiquitin-conjugating enzymes. Cdc34 is thought to be the structural and functional homolog of Saccharomyces cerevisiae Cdc34, which is essential for the G1 to S phase transition. Cdc16 and Cdc27 are components of the APC (anaphase-promoting complex) which ubiquitinates cyclin B, resulting in cyclin B/Cdk complex degradation.
Background References
1. Chang L., et al. 2014. Molecular architecture and mechanism of the anaphase-promoting complex. Nature 513:388-393.
2. Zhou H., et al. 2013. Toward a comprehensive characterization of a human cancer cell phosphoproteome. J. Proteome Res. 12:260-271.
Sequence Similarity
Belongs to the APC6/CDC16 family.
Post-translational Modification
Phosphorylated. Phosphorylation on Ser-560 occurs specifically during mitosis.
Western blot analysis of APC6 on different lysates with Rabbit anti-APC6 antibody (ET1612-86) at 1/2,000 dilution.
Lane 1: Mouse brain tissue lysate Lane 2: Rat brain tissue lysate
Lysates/proteins at 40 µg/Lane.
Predicted band size: 72 kDa Observed band size: 66 kDa
Exposure time: 46 seconds; ECL: K1801;
4-20% SDS-PAGE gel.
Proteins were transferred to a PVDF membrane and blocked with 5% NFDM/TBST for 1 hour at room temperature. The primary antibody (ET1612-86) at 1/2,000 dilution was used in 5% NFDM/TBST at 4℃ overnight. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1/50,000 dilution was used for 1 hour at room temperature.
Western blot analysis of APC6 on Hela cells lysates using anti-APC6 antibody at 1/1,000 dilution.
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