The following points highlight the four main structures of Protein Organisation. The structures are: 1. Primary Structure 2. Secondary Structure 3. Tertiary Structure 4. Quarternary Structure. 1. Primary Structure: It is the description of basic structure of a protein. This includes number of polypeptides, number and sequence of amino acids in each polypeptide. The latter is determined genetically (by DNA) [...]
The below mentioned article provides a short note on Collagen:- 1. Introduction to Collagen 2. Synthesis of Collagen 3. Inherited Defects. Introduction to Collagen: 1. Collagen is the major macromolecule of connective tissues and it is the most common protein in the animal kingdom. 2. In mammalian tissues, there are five distinct types of collagen and they exist as a [...]
In this article we will discuss about the Digestion and Absorption of Protein from Gastrointestinal Tract. Digestion of Protein: The proteolytic enzymes secreted in gastric juice, pancreatic juice and also present in the intestinal mucosa cause the hydrolysis of protein in the gastrointestinal tract. Stomach: Pepsin, the endopeptidase, is present in gastric juice and hydrolyzes the peptide bonds in the [...]