Retrovirology

official impact factor 5.24

Open Access Research

Dephosphorylation of CDK9 by protein phosphatase 2A and protein phosphatase-1 in Tat-activated HIV-1 transcription

Tatyana Ammosova1, Kareem Washington1, Zufan Debebe1, John Brady3 and Sergei Nekhai1,2*

Author Affiliations

1 Center for Sickle Cell Disease, Howard University, 2121 Georgia Ave., N.W. Washington DC 20059, USA

2 Department of Biochemistry and Molecular Biology, Howard University College of Medicine, 520 W Street N.W., Washington, DC 20059, USA

3 Virus Tumor Biology Section, LRBGE, National Cancer Institute, Bethesda, MD 20892, USA

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Retrovirology 2005, 2:47 doi:10.1186/1742-4690-2-47

Published: 27 July 2005

Additional files

Additional File 1:

Supplemental Fig. Viability of COS-7 cells treated with indicated concentrations of okadaic acid determined by Trypan Blue exclusion assay.

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