Protein Phosphatase-1 Activates CDK9 by Dephosphorylating Ser175

Expression of a Protein Phosphatase 1 Inhibitor, cdNIPP1, Increases CDK9 Threonine 186 Phosphorylation and Inhibits HIV-1 Transcription

(2010) Tatiana Ammosova et al.   JOURNAL OF BIOLOGICAL CHEMISTRY

The extended PP1 toolkit: designed to create specificity

(2010) Mathieu Bollen et al.   TRENDS IN BIOCHEMICAL SCIENCES

7SK snRNP/P-TEFb couples transcription elongation with alternative splicing and is essential for vertebrate development

(2009) M. Barboric et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

The structure of P-TEFb (CDK9/cyclin T1), its complex with flavopiridol and regulation by phosphorylation

(2008) Sonja Baumli et al.   EMBO JOURNAL

The La-related protein LARP7 is a component of the 7SK ribonucleoprotein and affects transcription of cellular and viral polymerase II genes

(2008) Andreas Markert et al.   EMBO REPORTS

PP2B and PP1  cooperatively disrupt 7SK snRNP to release P-TEFb for transcription in response to Ca2+ signaling

(2008) R. Chen et al.   GENES & DEVELOPMENT

A La-Related Protein Modulates 7SK snRNP Integrity to Suppress P-TEFb-Dependent Transcriptional Elongation and Tumorigenesis

(2008) Nanhai He et al.   MOLECULAR CELL

LARP7 is a stable component of the 7SK snRNP while P-TEFb, HEXIM1 and hnRNP A1 are reversibly associated

(2008) B. J. Krueger et al.   NUCLEIC ACIDS RESEARCH