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Molecular Biology: From Amino Acids to Protein

Learn about amino acids and how they are organized into protein and diseases associated with protein
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Platform: Udemy
Video: 1h 31m
Language: English
Next start: On Demand

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This course was last updated on 5/2022.

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7.8 / 10
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Table of contents

Description

Proteins are the most abundant and functionally diverse molecules in living systems. About 20% of the human body is made up of proteins and almost every life process depends on this class of molecules. Proteins display an incredible diversity of functions, yet all share the common structural feature of being linear polymers of amino acids.
Amino acids are the building blocks of protein. Although more than 300 different amino acids have been described in nature, only 20 are commonly found as constituents of mammalian proteins. These are the only amino acids that are coded for by DNA, the genetic material in the cell.
Each amino acid has the same basic structure , which consists of a carboxyl group (COOH), an amino group (NH2), a side chain group (R group), and a hydrogen atom attached to a central carbon atom, also known as the alpha (α) carbon. As the side chain changes the amino acid also changes and the nature of the side chains (R group) dictates the role an amino acid plays in a protein.
The carboxyl and amino groups are combined through peptide linkage to form long chains of amino acids called polypeptide. The linear sequence of the linked amino acids contains the information necessary to generate a protein molecule with a unique three-dimensional shape. The complexity of protein structure is best described by studying the four organizational levels, namely, primary, secondary, tertiary and quaternary.
The primary structure of protein comprises of number and sequence of amino acids in a polypeptide chain. The primary structure can be studied by various methods including Edman degradation, Overlapping of peptides, and DNA sequencing.
The regular arrangements of amino acids that are located near to each other in the linear sequence are termed as secondary structure of the protein. Examples of secondary structures frequently encountered in proteins are alpha helix (α-helix), beta sheet (β-sheet), and beta bend (β-bend or β-turn).
The tertiary structure of protein is formed when a single polypeptide bends and folds upon itself to form a globular structure. Interactions between the amino acid side chains guide the folding of the polypeptide to form a compact structure. The four types of interactions cooperate in stabilizing the tertiary structures of globular proteins are disulfide bonds, hydrophobic interactions, hydrogen bonds, and ionic interactions.
The quaternary structure of the protein is the arrangement of two or more polypeptide chains that may be structurally identical or totally unrelated. It is the most complicated and highest level organization of protein structure.
Classification of proteins based on structure divide them into globular protein and fibrous protein. Globular proteins are spherical or globular in shape. They have variety of biological functions such as catalysis, transportation, regulation and structure formation. The examples of globular proteins are hemoglobin, myoglobin, hormones, actin, tubulin, and enzymes. on the other hand, fibrous proteins form long protein filaments, which are shaped like rods or wires. They are structural or storage proteins that are typically inert and water-insoluble. The examples include Keratine, elastin, collagen, and fibroin.
If the proteins are not able to achieve the native state, they cannot perform their function properly and may lead to diseases. This might be due to an unwanted mutation in their amino acid sequence or simply because of an error in the folding process of protein. Some examples of diseases associated with protein are Sickle cell anemia, Thalassemia, and Alzheimer’s disease.
This course is a valuable resource for students and researchers related to biochemistry, molecular biology, proteomics and biotechnology.
Start your learning journey now and explore the mystery behind the complicated structure of protein !!

You will learn

✓ Introduction to the importanc of protein
✓ Structure of Amino Acid
✓ Classification of Amino Acids Based on Essentiality
✓ Classification of Amino Acids Based on Nature of side chains (R group)
✓ Abbreviations and Symbols for Amino Acids
✓ D and L forms of Amino Acids
✓ Primary Structure of Proteins
✓ What is Polypeptide?
✓ What is Peptide Bond?
✓ Characteristics of Peptide Bond
✓ Methods to Determine the primary structure of a protein
✓ Secondary Structure of Proteins
✓ Alpha Helix (α-Helix)
✓ Beta Sheet (β-Sheet)
✓ Beta Bends (β-Bends)
✓ Tertiary Structure of Proteins
✓ Interactions Stabilizing Tertiary Structure i.e., Disulfide bonds, Hydrophobic interactions, Hydrogen bonds and Ionic interactions
✓ Protein Folding
✓ Denaturation of Proteins
✓ Quaternary Structure of Proteins
✓ Classification of Proteins Based on Structure i.e., Globular Proteins and Fibrous Proteins
✓ Structure and Function of Myoglobin and Hemoglobin
✓ Structure and Function of Collagen
✓ Diseases Associated with Proteins including Sickle Cell Anemia, Thalassemia, and Alzheimer’s Disease

Requirements

• Motivation to Learn
• Basic knowledge of biology and Biochemistry
• Interested in learning the mystery behind complicated structure of protein

This course is for

• Students who wants to persude their career in biochemitsry, research, clinincal analysis and proteomics
• The course is designed for researchers of biochemistry, molecular biology, proteomics and related disciplines.

How much does the Molecular Biology: From Amino Acids to Protein course cost? Is it worth it?

The course costs $14.99. And currently there is a 40% discount on the original price of the course, which was $24.99. So you save $10 if you enroll the course now.

Does the Molecular Biology: From Amino Acids to Protein course have a money back guarantee or refund policy?

YES, Molecular Biology: From Amino Acids to Protein has a 30-day money back guarantee. The 30-day refund policy is designed to allow students to study without risk.

Are there any SCHOLARSHIPS for this course?

Currently we could not find a scholarship for the Molecular Biology: From Amino Acids to Protein course, but there is a $10 discount from the original price ($24.99). So the current price is just $14.99.

Who is the instructor? Is Anum Ahmad, PhD a SCAM or a TRUSTED instructor?

Anum Ahmad, PhD has created 8 courses that got 51 reviews which are generally positive. Anum Ahmad, PhD has taught 854 students and received a 4.3 average review out of 51 reviews. Depending on the information available, Anum Ahmad, PhD is a TRUSTED instructor.
Educator
I am a PhD (microbiology) from a reputed university. I have been teaching biology and chemistry for more than 7 years in prestigious institutes.
Biology and chemistry are the fields that need a lot of toil and laser-sharp focused attention. These subjects could be difficult as mountain climbing and easy as watching your favorite TV serial depending on who your teacher is.
I aim to make these subjects as easy and interesting as possible. Linking these subjects to daily life is an interesting way to retain the knowledge of these subjects. Keeping these things in mind, I have designed these courses to aid the students.
I am not only a teacher but also a researcher. I worked on different aspects of life sciences including:
Biotechnology
Rumen microbiota
Animal nutrition
Molecular biology (cloning and expression of genes)
My research experience has opened a vast horizon of knowledge in front of me, which I am willing to share with my students to contribute towards their self-achievement and value addition.

9.1

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7.8

Content

Platform: Udemy
Video: 1h 31m
Language: English
Next start: On Demand

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