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Immunofluorescent staining of HeLa cells using PA5-19674, anti-Cdk9 antibody. The cells were fixed with PFA (4%) for 10 minutes, permabilised with BSA(1%), normal goat serum (10%) and glycine (0.3 M) in 0.1% T-BST for 20 minutes and exposed to the primary antibody at a concentration of 1 ug/ml for 1 hour at room temp. The secondary antibody was a 448 fluorescence conjugated Goat anti-rabbit IgG (green) at a dilution of 1:1000. A WGA- 594 fluorescent conjugated stain was used to label plasma membranes (red) and the nuclei stain was DAPI (blue).
|Tested species reactivity||Human, Xenopus|
|Host / Isotype||Rabbit / IgG|
|Immunogen||Synthetic peptide conjugated to KLH derived from within residues 150 - 250 of Human Cdk9.|
|Purification||Antigen affinity chromatography|
|Storage buffer||PBS, pH 7.4, with 1% BSA|
|Contains||0.02% sodium azide|
|Storage Conditions||Store at 4°C short term. For long term storage, store at -20°C, avoiding freeze/thaw cycles.|
|Tested Applications||Dilution *|
|Immunocytochemistry (ICC)||1 µg/ml|
|Immunofluorescence (IF)||1 µg/ml|
|Western Blot (WB)||1:250|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
This antibody is predicted to react with mouse, rat, chicken and cow based on sequence homology.
The protein encoded by this gene is a member of the cyclin-dependent protein kinase family. CDK family members are highly similar to the gene products of S. cerevisiae cdc28, and S. pombe cdc2, and known as important cell cycle regulators. This kinase was found to be a component of the multiprotein complex TAK/P-TEFb, which is an elongation factor for RNA polymerase II-directed transcription and functions by phosphorylating the C-terminal domain of the largest subunit of RNA polymerase II. This protein forms a complex with and is regulated by its regulatory subunit cyclin T or cyclin K. HIV-1 Tat protein was found to interact with this protein and cyclin T, which suggested a possible involvement of this protein in AIDS.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
C-2K; CDC2-related kinase; Cell division cycle 2-like protein kinase 4; Cell division protein kinase 9; Cyclin-dependent kinase 9; RP11-228B15.5, C-2k, CDC2L4, CTK1, PITALRE, TAK, CDC2-related kinase; serine/threonine protein kinase PITALRE; Serine/threonine-protein kinase PITALRE; Tat-associated kinase complex catalytic subunit
C-2k; CDC2L4; CDK9; CTK1; PITALRE; TAK