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Important Ordering Details

Custom Ordering Details: Product is assembled upon order to ensure maximum activity. United States: Please allow up to two weeks for your order to be processed and shipped. Outside of the United States: Please allow up to three weeks, depending on the country, for your order to be processed and shipped. When ordering five or more kits, please contact us for processing time and pricing at sales@cellsignal.com.

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Product Includes Volume Cap Color
S6 Ribosomal Protein Capture Ab (100X) 0.4 ml Pink
S6 Ribosomal Protein DetectionAb (100X) 0.4 ml Blue
Anti-rabbit IgG, HRP-linked Antibody (1000X) 0.04 ml Red

Product Description

CST's PathScan® Total S6 Ribosomal Protein Sandwich ELISA Antibody Pair is offered as an alternative to our PathScan® Total S6 Ribosomal Protein Sandwich ELISA Kit #7225. Capture and Detection antibodies (100X stocks) and an HRP-conjugated secondary antibody (1000X stock) are supplied. Sufficient reagents are provided for performing 4 x 96 well ELISAs. The S6 Ribosomal Protein Capture Antibody is coated in PBS overnight in a 96 well microplate. After blocking, cell lysates are added, followed by S6 Ribosomal Protein Detection Antibody and HRP-conjugated secondary antibody. HRP substrate, TMB, is added for color development. The magnitude of the absorbance at 450 nm is proportional to the quantity of Total S6 Ribosomal protein.

Antibodies in kit are custom formulations specific to kit.


Product Usage Information

Antibody pairs have been optimized using recommended buffers, reagents, plates and the included protocol. Solutions should be made fresh daily.


Storage: Capture and detection antibodies are stored at 4°C. HRP-linked secondary reagent is stored at -20°C.

Specificity / Sensitivity

For Antibody Pair specificity and sensitivity, please refer to the corresponding PathScan® Sandwich ELISA Kit. Note: This antibody pair detects proteins from the indicated species, as determined through in-house testing, but may also detect homologous proteins from other species.


One way that growth factors and mitogens effectively promote sustained cell growth and proliferation is by upregulating mRNA translation (1,2). Growth factors and mitogens induce the activation of p70 S6 kinase and the subsequent phosphorylation of the S6 ribosomal protein. Phosphorylation of S6 ribosomal protein correlates with an increase in translation of mRNA transcripts that contain an oligopyrimidine tract in their 5' untranslated regions (2). These particular mRNA transcripts (5'TOP) encode proteins involved in cell cycle progression, as well as ribosomal proteins and elongation factors necessary for translation (2,3). Important S6 ribosomal protein phosphorylation sites include several residues (Ser235, Ser236, Ser240, and Ser244) located within a small, carboxy-terminal region of the S6 protein (4,5).


1.  Dufner, A. and Thomas, G. (1999) Exp Cell Res 253, 100-9.

2.  Peterson, R.T. and Schreiber, S.L. (1998) Curr Biol 8, R248-50.

3.  Jefferies, H.B. et al. (1997) EMBO J 16, 3693-704.

4.  Ferrari, S. et al. (1991) J Biol Chem 266, 22770-5.

5.  Flotow, H. and Thomas, G. (1992) J Biol Chem 267, 3074-8.


Entrez-Gene Id 6194
Swiss-Prot Acc. P62753


For Research Use Only. Not For Use In Diagnostic Procedures.
Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
PathScan is a trademark of Cell Signaling Technology, Inc.

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PathScan® Total S6 Ribosomal Protein Sandwich ELISA Antibody Pair