In this video, Cellular Membranes: The role of proteins in the membranes, I look at the problem of getting material and information in and out of the cell and the role proteins play.
I introduce the eight ways proteins can interact with membranes: single and multiple membrane-spanning proteins, beta barrels, and proteins anchored by lipid chains or other proteins. ion transport, enzymatic reactions, and signal transduction. The video also covers the function of some protein domains (SH2 and SH3 domains, PH domains, and PTB domains) and some of the functions carried out by proteins in the membrane, such as the transport of ions, molecules and information.
This is one of four videos on membranes, the other two being:
- Cellular Membranes: Protection, Structure, and Function
- Cellular Membranes: The role of proteins in the membranes
- Cellular Membranes: Moving material and information across the membranes - membrane transport
- Cellular Membranes: Moving information across the membrane - the receptors
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