Retrovirology

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Open Access Research

Phosphorylation of HIV-1 Tat by CDK2 in HIV-1 transcription

Tatyana Ammosova1, Reem Berro4, Marina Jerebtsova5, Angela Jackson2, Sharroya Charles3, Zachary Klase4, William Southerland2, Victor R Gordeuk1, Fatah Kashanchi4 and Sergei Nekhai4,1,2*

Author Affiliations

1 Center for Sickle Cell Disease, Howard University College of Medicine, 520 W Street 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 Program in Genetics, Howard University College of Medicine, 520 W Street N.W., Washington, DC 20059, USA

4 Department of Biochemistry and Molecular Biology, The George Washington University Medical Center, 2300 I Street N.W., Washington, DC 20037, USA

5 Children's National Medical Center, CRI Center III, 111 Michigan Ave., N.W. Washington, D.C. 20010-2970, USA

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Retrovirology 2006, 3:78 doi:10.1186/1742-4690-3-78

Published: 3 November 2006

Additional files

Additional File 1:

Purification of CDK2/cyclin E. Mixed mono Q fractions of CDK2 and cyclin E (Mono Q lane) were purified on Superdex column. Fractions 37, 39, 41, 43, and 45 were analyzed for the presence of CDK2 and cyclin E by Coumassie staining.

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