Proteins
We generally tend to think of proteins only from a dietary lens, as a component of what we eat. However, they are among the most important and abundant organic macromolecules in the human body, with diverse structures and functions. Every cell contains thousands and thousands of proteins, each with specific functions. Some help in the formation of cellular membrane or walls, some help the cell to move, others act as messages or signals and flow seamlessly from one cell to another, carrying information.
Protein Expression
The method by which living organisms synthesize proteins and further modify and regulate them is called protein expression. Protein expression plays a significant role in several types of research and is highly utilized in molecular biology, biochemistry, and protein research laboratories.
Motif is nothing but a short conserved sequence pattern, which is associated with protein function or DNA.
*Motif will be associated with a structural site which can perform a particular function. Examples are Zinc finger motif which is ten to twenty amino acids long.
* Other example is structural motif which will have a functional role is helix-turn-helix motif . This motif can bind DNA and it is difficult to identify from amino acid sequence alone.
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