Overview
The CREBtide [KRREILSRRPSYR], 5-FAM labeled peptide is a highly effective substrate for Protein Kinase A (PKA), engineered with a specific phosphorylation sequence derived from d-CREB (cAMP response element binding protein). With a Km of 3.9 µM, this peptide is ideal for studies focusing on signal transduction pathways and cellular responses to cAMP. Whether you’re conducting basic research or developing new assays, the CREBtide can facilitate your work with precision and reliability.
Key Features
- 5-FAM labeled for enhanced detection capabilities
- Specific substrate for PKA
- Km value of 3.9 µM for accurate assay conditions
- Derived from the phosphorylation sequence of d-CREB
- Compatible with various labeling and detection methods
Specifications
| Property | Details |
|---|---|
| Product Name | CREBtide [KRREILSRRPSYR], 5-FAM labeled |
| Category | Peptides |
| Km | 3.9 µM |
| Label | 5-FAM |
FAQ
What applications is CREBtide suitable for?
CREBtide is perfect for studying PKA activity, cAMP signaling pathways, and developing assays that require sensitive detection of protein phosphorylation events.
How should I store CREBtide to maintain its stability?
It is best to store CREBtide at -20°C and protect it from light to ensure the integrity of the fluorescent label. Make sure to avoid multiple freeze-thaw cycles.
Can I use this peptide with other detection methods?
Yes, while this peptide is 5-FAM labeled for fluorescence detection, it can also be compatible with other labeling and detection systems. Always check the compatibility for your specific assay protocols.
For those interested in other peptide substrates, consider exploring our PKG Substrate [RKRSRAE], Glasstide or Autocamtide-2 [KKALRRQETVDAL]. You might also want to browse more of our quality peptides for diverse research applications. Don’t miss the opportunity to enhance your research with our specialized products.



![CREBtide [KRREILSRRPSYR], 5-FAM labeled](https://anaspecstore.com/wp-content/uploads/2026/10/as-60436-1-img-en-as-60436-1-01.jpg)
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