developmental stage:Synthesis is initiated at G1/S , protein level peaks in M phase and protein is abruptly degraded at M/G1 transition. ,Function:Required for full ubiquitin ligase activity of the anaphase promoting complex/cyclosome (APC/C) and may confer substrate specificity upon the complex. Is regulated by MAD2L1. In metaphase the MAD2L1-CDC20-APC/C ternary complex is inactive and in anaphase the CDC20-APC/C binary complex is active in degrading substrates. ,pathway:Protein modification; protein ubiquitination. ,PTM:Phosphorylated during mitosis , probably by maturation promoting factor (MPF) . ,PTM:Ubiquitinated and degraded by the proteasome during spindle assembly checkpoint. ,similarity:Belongs to the WD repeat CDC20/Fizzy family. ,similarity:Contains 7 WD repeats. ,subunit:Found in a complex with CDC20 , CDC27 , SPATC1 and TUBG1. Interacts with SPATC1 (By similarity) . Interacts with MAD2L1 and BUB1B. The phosphorylated form interacts with APC/C. ,
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