Protein targeting
Protein targeting
Protein targeting or protein sorting is the biological mechanism by which proteins are transported to their correct destinations within or outside the cell.
Pronunciation
Protein: /ˈproʊ.tiːn/ or /ˈproʊ.tiɪn/ Targeting: /ˈtɑːrɡɪtɪŋ/
Etymology
The term "protein" comes from the Greek word "proteios", meaning "primary" or "in the lead". The term "targeting" originates from the Old English word "targe", meaning "shield", and the suffix "-ing", indicating an action or process.
Related Terms
- Protein synthesis: The process by which proteins are produced, assembled, and transported in living organisms.
- Signal peptide: Short (3-60 amino acids long) peptide chain that directs the post-translational transport of a protein.
- Translocation: The process of moving something from one location to another. In biology, it often refers to the movement of a protein from the cytoplasm to the plasma membrane or other specific locations within a cell.
- Endoplasmic reticulum (ER): A type of organelle in the cells of eukaryotic organisms that plays a key role in protein synthesis and sorting.
- Golgi apparatus: An organelle found in most eukaryotic cells, it packages proteins into membrane-bound vesicles inside the cell before the vesicles are sent to their destination.
See Also
External links
- Medical encyclopedia article on Protein targeting
- Wikipedia's article - Protein targeting
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