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CREB, phosphorylated (Ser133) (CBP, CREBBP, CREB binding protein, cAMP Response Element Binding Protein, RTS, RSTS, Rubinstein-Taybi syndrome)

CREB, phosphorylated (Ser133) (CBP, CREBBP, CREB binding protein, cAMP Response Element Binding Protein, RTS, RSTS, Rubinstein-Taybi syndrome)

Cat no: C7915-01R

Supplier: United States Biological
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It is well known that the control of gene expression involves activation of protein kinase cascades that regulate transcription factors within the nucleus (Karin and Hunter, 1995). The cyclic AMP response element binding protein (CREB) is one of the best characterized stimulus-induced transcription factors (Montminy, 1997). This transcription factor is a component of intracellular signaling events that regulate a wide range of biological functions, from spermatogenesis to circadian rhythms and memory (Shaywitz and Greenberg, 1999; Silva et al., 1998). A variety of protein kinases including protein kinase A (PKA), mitogenactivated protein kinases (MAPKs), and Ca2+/calmodulin-dependent protein kinases (CaMKs)phosphorylate CREB at serine 133 (Ser133), and phosphorylation of Ser133 are required for CREB-mediated transcription (Johannessen et al., 2004; Kornhauser et al., 2002). Applications: Suitable for use in Western Blot and Immunohistochemistry. Other applications not tested. Recommended Dilutions: Western Blot: 1:1000 Immunohistochemistry: 1:100 Optimal dilutions to be determined by the researcher. Storage and Stability: May be stored at 4 degrees C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20 degrees C. Aliquots are stable for 12 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.
Catalogue number: C7915-01R
Reactivities: Rat
Hosts: Rabbit
Applications: Immunohistochemistry, Western Blot
Size: 100ul
Form: Supplied as a liquid in 10mM HEPES, pH 7.5, 150mM sodium chloride, 0.1mg/ml BSA, 50% glycerol. No preservative added.
P type: Pab
Isotype: IgG
Purity: Purified by affinity chromatography.
Alternative names: CBP, CREBBP, CREB binding protein, cAMP Response Element Binding Protein, RTS, RSTS, Rubinstein-Taybi syndrome
References: 1. Johannessen M, Delghandi MP, Moens U (2004) What turns CREB on? Cellular Signalling 16:1211-1227. 2. Karin M, Hunter T (1995) Transcriptional control by protein phosphorylation: Signal transmission from the cell surface to the nucleus. Curr Biol 5:747-757. 3. Kornhauser JM, Cowan CW, Shaywitz AJ, Dolmetsch RE, Griffith EC, Hu LS, Haddad C, Xia ZG, Greenberg ME (2002) CREB transcriptional activity in neurons is regulated by multiple, calcium-specific phosphorylation events. Neuron 34:221-233. 4. Montminy M (1997) Transcriptional regulation by cyclic AMP. Annu Rev Biochem 66:807-822. 5. Shaywitz AJ, Greenberg ME (1999) CREB: A stimulus-induced transcription factor activated by a diverse array of extracellular signals. Annu Rev Biochem 68:821-861. 6. Silva AJ, Kogan JH, Frankland PW, Kida S (1998) CREB and memory. Annu Rev Neurosci 21:127-148.
Additional info: Recognizes rat CREB protein phosphorylated at Ser133 at ~45kD. Immunolabeling is blocked by treatment of the lysate with lambda phosphatase. Species Sequence Homology: bovine, canine, chicken, human, mouse, primate, sheep, Xenopus and zebrafish

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