The kinase activity of P - TEFb is inhibited when the factor is in the 7SK snRNP .
The major function of the 7SK snRNP is control of the P - TEFb , a factor that regulates the elongation phase of transcription .
The kinase activity of P - TEFb is inhibited when the factor is in the 7SK snRNP .
The major function of the 7SK snRNP is control of the P - TEFb , a factor that regulates the elongation phase of transcription .