Product Pathways - Chromatin Regulation / Epigenetics
GCN5L2 (C26A10) Rabbit mAb #3305
|3305S||100 µl (10 western blots)||---||In Stock||---|
|3305||carrier free and custom formulation / quantity||email request|
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|W||1:1000||Human, Mouse, Rat, Monkey||Endogenous||94||Rabbit IgG|
Species cross-reactivity is determined by western blot.
Applications Key: W=Western Blotting, IP=Immunoprecipitation, IF-IC=Immunofluorescence (Immunocytochemistry)
Species predicted to react based on 100% sequence homology: Bovine, Horse.
Specificity / Sensitivity
GCN5L2 (C26A10) Rabbit mAb detects endogenous levels of total GCN5L2 protein. The antibody does not cross-react with the related PCAF protein.
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to the amino terminus of human GCN5L2.
Western blot analysis of extracts from various cell lines using GCN5L2 (C26A10) Rabbit mAb.
General Control of Amino Acid Synthesis Yeast Homolog Like 2 (GCN5L2) is a transcription adaptor protein and a histone acetyltransferase (HAT) that functions as the catalytic subunit of the STAGA and TFTC transcription coactivator complexes (1). GCN5L2 is 73% homologous to the p300/CBP-associated factor PCAF, another HAT protein found in similar complexes (2). Free GCN5L2 acetylates histone H3 on Lys14; however, when part of coactivator complexes, GCN5L2 acetylates histone H3 at Lys9, 14, 18, and 23, and to a smaller extent histones H4 and H2B (3). Histone acetylation contributes to gene activation by modulating chromatin structure and recruiting additional coactivator proteins that contain acetyl-lysine binding bromodomains (4). GCN5L2 also acetylates non-histone proteins such as transcription activators (TAT, c-Myb) (5,6), transcription co-activators (PGC1-α) (7), and nuclear receptors (Steroidogenic Factor 1) (8). Acetylation of these proteins regulates their nuclear localization, protein stability, DNA binding, and co-activator association (5-8). GCN5L2 is recruited to gene promoters during transactivation through interactions with multiple transcription activator proteins such as Myc, E2F, p53, and BRCA1 (9-12). The STAGA and TFTC complexes also interact with SAP130 and DDB1, two structurally related proteins involved in RNA splicing and DNA repair, suggesting roles for GCN5L2 in processes other than transcription activation (13).
- Candau, R. et al. (1996) Mol Cell Biol 16, 593-602.
- Yang, X.J. et al. (1996) Nature 382, 319-24.
- Grant, P.A. et al. (1999) J Biol Chem 274, 5895-900.
- Yang, X.J. (2004) Bioessays 26, 1076-87.
- Kiernan, R.E. et al. (1999) EMBO J 18, 6106-18.
- Tomita, A. et al. (2000) Oncogene 19, 444-51.
- Lerin, C. et al. (2006) Cell Metab 3, 429-38.
- Jacob, A.L. et al. (2001) J Biol Chem 276, 37659-64.
- Liu, X. et al. (2003) J Biol Chem 278, 20405-12.
- Lang, S.E. et al. (2001) J Biol Chem 276, 32627-34.
- Candau, R. et al. (1997) Oncogene 15, 807-16.
- Oishi, H. et al. (2006) J Biol Chem 281, 20-6.
- Brand, M. et al. (2001) EMBO J 20, 3187-96.
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For Research Use Only. Not For Use In Diagnostic Procedures.
DRAQ5® is a registered trademark of Biostatus Limited.
Cell Signaling Technology® is a trademark of Cell Signaling Technology, Inc.
This antibody is developed, validated, and produced by CST using in part technology under license (granting certain rights including those under U.S. Patent No. 5,675,063) from Epitomics, Inc.