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Related Concept Videos

Mechanical Protein Functions01:58

Mechanical Protein Functions

5.5K
Proteins perform many mechanical functions in a cell. These proteins can be classified into two general categories- proteins that generate mechanical forces and proteins that are subjected to mechanical forces. Proteins providing mechanical support to the structure of the cell, such as keratin, are subjected to mechanical force, whereas proteins involved in cell movement and transport of molecules across cell membranes, such as an ion pump, are examples of generating mechanical force. 
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Role of Proteins in the Human Body01:28

Role of Proteins in the Human Body

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Proteins are the building block of life. They are also  the most abundant macromolecules with as many diverse roles in the body. They are part of many structural components that provide unique shapes and structures to animal cells, tissues, and organs. In addition, they also act as biological catalysts and carry out several anabolic and catabolic reactions. Notably, some proteins are chemical messengers and regulate many critical processes, such as metabolism, growth, and development. They...
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Globular Proteins01:27

Globular Proteins

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In organisms, proteins are the most abundant macromolecules. They act as the building blocks of life and play various crucial roles in the body. Proteins can be broadly classified into two distinct subtypes based on their shape and solubilities: globular proteins and fibrous proteins.
Globular proteins serve many important physiological functions, such as acting as enzymes, cellular messengers, and molecular transporters. These roles often require the proteins to be soluble in the aqueous...
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Compounds Essential to Human Function01:25

Compounds Essential to Human Function

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The human body is composed of cells that are fundamentally made up of several different molecules. These molecules are essential to carry out all physiological processes in the body and are broadly classified into organic and inorganic based on their chemical structures.
Inorganic Compounds Essential to Human Functioning
Inorganic compounds essential to human functioning include water, salts, acids, and bases. These compounds are inorganic, i.e., they do not have a carbon-hydrogen bond. Water...
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Protein Folding01:25

Protein Folding

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Proteins are chains of amino acids linked together by peptide bonds. Upon synthesis, a protein folds into a three-dimensional conformation, critical to its biological function. Interactions between its constituent amino acids guide protein folding, and hence the protein structure is primarily dependent on its amino acid sequence.
Protein Structure Is Critical to Its Biological Function
Proteins perform a wide range of biological functions such as catalyzing chemical reactions, providing...
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Protein Folding01:22

Protein Folding

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Overview
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Exploring the unmapped cysteine redox proteoform landscape.

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Oxiforms: Unique cysteine residue- and chemotype-specified chemical combinations can produce functionally-distinct proteoforms: Like how mixing primary colours creates new shades, cysteine residue- and chemotype-specified chemical combinations can produce functionally-distinct proteoforms called oxiforms: Like how mixing primary colours creates new shades, cysteine residue- and chemotype-specified chemical combinations can produce functionally-distinct proteoforms called oxiforms.

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Using Caenorhabditis elegans as a Model System to Study Protein Homeostasis in a Multicellular Organism
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Proteoforms as the true units of physiological function

James N Cobley1

  • 1The University of Dundee, Dundee, Scotland, UK. j_cobley@yahoo.com.

European Journal of Applied Physiology
|December 19, 2025
PubMed
Summary

No abstract available in PubMed .

Keywords:
CysteinePhenotypesProteoformsProteomicsRedox

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