N Terminus
N Terminus - Related Videos
12:21
Stimulated Stokes and Antistokes Raman Scattering in Microspherical Whispering Gallery Mode Resonators
0 Views •
Cited by 1 •
2016
Efficient generation of nonlinear phenomena related to third order optical non-linear susceptibility Χ(3) interactions in triply resonant silica microspheres is presented in this paper. The interactions here reported are: Stimulated Raman Scattering (SRS), and four wave mixing processes comprising Stimulated Anti-stokes Raman Scattering (SARS).
16:36
Proteomics to Identify Proteins Interacting with P2X2 Ligand-Gated Cation Channels
0 Views •
Cited by 13 •
2009
We describe a simple protocol to identify brain proteins that bind to the full length C terminus of ATP-gated P2X2 receptors. The extension and systematic application of this approach to all P2X receptors is expected to lead to a better understanding of P2X receptor signaling.
09:47
Spotting Cheetahs: Identifying Individuals by Their Footprints
0 Views •
Cited by 25 •
2016
The cheetah (Acinonyx jubatus) is an iconic, endangered species, but conservation efforts are challenged by habitat shrinkage and conflict with commercial farmers. The footprint identification technique, a robust, accurate and cost-effective image classification system, is a new approach to monitoring cheetahs.
02:26
Conservation of Protein Domains Over Different Proteins
0 Views •
2020
Protein domains are small structurally independent units that are part of a single amino acid chain. Although these domains are often structurally independent, they may rely on synergistic effects to perform their functions as part of a larger protein. Protein domains may be conserved within the same organism, as well as across different organisms. A limited set of protein domains often duplicate and recombine during evolution. These domains can be organized in different combinations to form...
14:04
Split-Ubiquitin Based Membrane Yeast Two-Hybrid (MYTH) System: A Powerful Tool For Identifying Protein-Protein Interactions
0 Views •
Cited by 53 •
2010
MYTH allows the sensitive detection of transient and stable interactions between proteins that are expressed in the model organism Saccharomyces cerevisiae. It has been successfully applied to study exogenous and yeast integral membrane proteins in order to identify their interacting partners in a high throughput manner.
FAQs
Because the ribosome produces the amino-terminal end first, the initiator methionine marks the beginning of the newly synthesized polypeptide. This ordering makes the N-terminal region available early for subsequent chemical modification or for sequence features that influence where the protein goes. Its position therefore connects translation with later maturation and localization events.
The free amino group at the amino-terminal end can undergo chemical modification after or during protein production. Such modification changes the molecular state of that region and gives researchers a way to investigate protein maturation and regulation. Examining whether the N terminus is modified can therefore help distinguish newly produced proteins from their processed or regulated forms.
A signal sequence near the N terminus can provide information that directs a protein to a particular cellular compartment or into the secretory pathway. Since the ribosome produces this region first, the targeting information appears early during synthesis. Studying its sequence helps explain how a protein reaches the location where its cellular activity is needed.
N-terminal sequence analysis can identify proteins and reveal whether their amino-terminal regions have been altered by processing or cleavage. Comparing the observed sequence with the expected beginning of a polypeptide can therefore indicate maturation events. This information is useful when researchers need to connect a protein's sequence with its final form or cellular behavior.
Researchers examine the amino-terminal region to track events that occur after the initial polypeptide is produced, including chemical modification and cleavage. These observations help distinguish production from maturation and can clarify how a protein reaches its functional state. In biology studies, the approach links sequence-level changes with protein stability, trafficking, and regulation.
Engineered tags can be placed at the N terminus to support experimental protein design, while engineered targeting signals can help direct proteins to selected cellular compartments or the secretory pathway. Researchers use these sequence features to test localization and protein behavior. Their placement makes the N-terminal region useful for studying trafficking and designing modified proteins.