Some Proteins Have Multiple Binding Partners

question 50

Short Answer

Some proteins have multiple binding partners.In some cases,they have several different binding interfaces and they are thus capable of binding a number of different binding partners at the same time.On the other hand,other such proteins have a single binding interface,which is capable of binding several different partners,but only one at a time.They can play central roles in such processes as cell division and gene expression.What are such proteins called?

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Definitions:

Microvilli

Tiny hairlike projections on the surface of some cells that increase the surface area for absorption or secretion.

Flagella

Flagella are long, whip-like structures that propel cells and microorganisms through their environment.

Microtubules

Cylindrical structures within cells that provide shape and support, play roles in intracellular transport, and are involved in cell division.

Microfilaments

Fine, thread-like protein fibers, part of the cytoskeleton of a cell, involved in movement and support.