protein §

A protein is a structure constructed from 20 different building blocks (amino acids).

There are four levels to the structure of a protein:

• primary structure
• secondary structure
• tertiary structure
• quaternary structure

Proteins are vital for life and are sometimes responsible for catalysing reactions as enzymes.

protein ligand Binding §

molecular recognition has two defining characteristics:

• binding specificity
• binding affinity

protein ligand is any molecule that that is capable of binding to a protein with high specificity and affinity.

$K_b=1/K_d$

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References §