Os03g03150

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Function

Tillering and Dwarf 1 (TAD1) encodes a co-activator of the anaphase-promoting complex (APC/C), a multi-subunit E3 ligase. It shows increased tillers and reduced plant height. TAD1 encodes a Cdh1-type activator of APC/C, an ortholog to CCS52A in dicots. During the cell-cycle progression, TAD1 shows an oscillating expression pattern with a higher level in the G1-phase. TAD1 interacts with MOC1, forming a complex with OsAPC10 and functions as a co-activator of APC/C to target MOC1 for degradation in a cell-cycle-dependent manner.