Phosphorylation of Aurora A at Thr288 in its catalytic domain increases kinase activity.

极光激酶A催化结构域苏氨酸（288位）的磷酸化能够增强激酶的活性。

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P-TEFb is a general transcription factor that regulates transcription elongation through phosphorylation of the C-terminal tail domain (CTD) of RNA polymerase II (RNAP II).

P - TEFb是一个普通的转录因子，它通过磷酸化rna聚合酶ii (RNAP II) C -末端尾巴结构域(CTD)来调节转录延伸。

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