tamra-peptide The field of molecular biology and bioimaging is constantly seeking sophisticated tools to visualize and understand complex biological processes at the cellular and subcellular levelsThis is aTAMRA-labeled Histone H1-derived peptide(Ab/Em = 544/572 nm). Histone H1-derived peptide phosphorylated by protein kinase A, is a substrate for CDK2 .... Among these advanced tools, TAMRA peptide conjugates have emerged as invaluable assets, offering bright fluorescence and precise targeting capabilitiesTAMRA-Amyloid-β (1-40) peptideis a fluorescently labeled peptide. Amyloid-β (1-40) (Aβ40) peptide is a 40-residue protein fragment of Aβ42 , a neurotoxic .... TAMRA, also known as Tetramethylrhodamine, is a highly versatile fluorescent dye renowned for its emission spectrum and photostability, making it an excellent choice for labeling a wide array of biomolecules, including peptides.
The integration of TAMRA with peptides unlocks a spectrum of applications, from tracking cellular components to investigating disease mechanisms. A key advantage of TAMRA-labeled peptide constructs lies in their ability to retain the inherent biological function of the peptide while simultaneously emitting a detectable fluorescent signal.TAMRA dye for labeling in life science research For instance, Beta-Amyloid (1-42), TAMRA-labeled is a crucial tool for researchers studying Alzheimer's diseasecRGD, TAMRA. This modified peptide, a major component of amyloid plaques, can be visualized within neurons, allowing for the investigation of plaque formation and its impact on neuronal health. Similarly, the TAMRA-Amyloid-β (1-40) peptide serves a complementary role, enabling the study of this closely related peptide fragment found in Alzheimer's pathology.
Beyond disease modeling, TAMRA peptide conjugates are instrumental in exploring cellular trafficking and localization. Mitochondria penetrating peptides (MPPs), often composed of cationic and hydrophobic amino acids, can be conjugated with TAMRA to create probes that specifically target and enter mitochondria. As demonstrated by T. Zhao's research, Mitochondria Penetrating Peptide-Conjugated TAMRA exhibits advantageous properties for long-term mitochondria tracking, providing real-time insights into mitochondrial dynamics and function.作者:T Zhao·2019·被引用次数:37—Mitochondria penetrating peptides (MPPs)are composed of cationic and hydrophobic amino acidsthat can target and permeate the mitochondrial ... This capability is critical for understanding cellular respiration, energy production, and the role of mitochondria in various physiological and pathological states.5'-TAMRA-K(Ub)-NH₂
The versatility of TAMRA extends to its use in conjunction with other fluorescent labels. The ability of TAMRA and FAM to also be added using pre-formed OSu esters allows for complex labeling strategies, including the study of fluorescence resonance energy transfer (FRET). FRET is a powerful technique that can reveal proximity and interactions between labeled molecules, offering a deeper understanding of molecular mechanisms.
Specific peptide sequences can be engineered with TAMRA for targeted applications作者:T Zhao·2019·被引用次数:36—Mitochondria penetrating peptides (MPPs)are composed of cationic and hydrophobic amino acidsthat can target and permeate the mitochondrial .... For example, (Arg)9, TAMRA-labeled exemplifies a cell-permeable peptide that is utilized for drug delivery research. The arginine-rich sequence facilitates cellular uptake, while the TAMRA label permits tracking of the peptide's journey within cells.作者:T Zhao·2019·被引用次数:37—This probe (TAMRA-rFrFrF) exhibited advantageous properties for long-term mitochondria tracking as demonstrated by fluorescence microscopy. Another example is the TAMRA-labeled Histone H1-derived peptide, which, when phosphorylated, can serve as a substrate for kinases like CDK2, facilitating the study of cell signaling pathways.
The chemical properties of TAMRA itself, a well-known xanthene dye of the rhodamine series, contribute to its widespread adoption. Its spectral characteristics, with an excitation maximum typically around 544 nm and emission maximum around 578 nm in phosphate buffer, make it compatible with standard fluorescence microscopy setups.2015年7月30日—I am performing fluorescence polarization with aTAMRA-labelled peptidethat gives me issues of reproducibility. The peptide is a well-known ... Furthermore, 5-TAMRA and 6-TAMRA represent distinct isomers frequently employed for different labeling purposes. 5-TAMRA is generally preferred for labeling peptides and proteins, while 6-TAMRA is predominantly used for labeling nucleotides and in automated DNA sequencing. The availability of activated forms, such as 5-TAMRA NHS Ester, simplifies the conjugation process for researchersUV Absorption Spectra of TAMRA and .... The mixture of these isomers, 5(6)-TAMRA, is also a common reagent6-TAMRA Azide | Vector Labs.
The application of TAMRA peptide conjugates is not limited to basic research. In diagnostic and imaging contexts, probes like cRGD, TAMRA are being developed. This probe, formed by covalently linking cyclic RGD with TAMRA, acts as an angiogenesis imaging fluorescent probe due to the preferential binding of cyclic RGD to integrins involved in blood vessel formation.
For researchers working with these sophisticated reagents, proper handling and preparation are essential.Mitochondria Penetrating Peptide-Conjugated TAMRA for ... Protocols often detail how to prepare a working solution of the 6-TAMRA labeled peptide in cell culture medium at the desired concentration, typically around 1 µM, to ensure optimal experimental outcomes.
In summary, tamra peptide conjugates represent a sophisticated class of molecular tools.5(6)-TAMRAis the mixture of two carboxy tetramethylrhodamine (TMR) isomers. It is used to modify amino and hydroxy groups using EDC-mediated couplings. Their bright fluorescence, coupled with the precise biological targeting of peptides, enables unprecedented visualization and investigation of cellular processes. From unraveling the complexities of neurodegenerative diseases like Alzheimer's with constructs such as TAMRA-Amyloid-β (1-42) peptide and TAMRA-Amyloid-β (1-40) peptide, to tracking vital organelles with Mitochondria Penetrating Peptide-Conjugated TAMRA, and exploring cellular uptake mechanisms with Arg)9 is a cell-permeable peptide used for drug delivery, these fluorescently labeled peptides are at the forefront of scientific discoveryTAMRA is a versatile fluorescent dyethat is widely used in molecular biology for labeling DNA, RNA, peptides and antibodies. Its bright signal, photostability .... The inherent versatility of TAMRA as a fluorescent dye for DNA, peptides and proteins ensures its continued importance in life science research and beyond[5-TAMRA]-LPETGG N-terminal Sortagging | CRB1100657.
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