Chapter 6
Protein Function
![Ligand Binding Sites](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11510.jpg)
Proteins are dynamic macromolecules that carry out a wide variety of essential processes; however, the activities of most proteins depend on their…
![Protein-protein Interfaces](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11511.jpg)
Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most…
![Cofactors and Coenzymes](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/12499.jpg)
Enzymes are proteins made of amino acids. The functional group of each constituent amino acid catalyzes a wide variety of chemical reactions via…
![Cooperative Allosteric Transitions](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11517.jpg)
Cooperative allosteric transitions can occur in multimeric proteins, where each subunit of the protein has its own ligand-binding site. When a ligand…
![GTPases and their Regulation](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11520.jpg)
Guanine nucleotide-binding proteins (G-proteins), also known as GTPases, are a superfamily of proteins that regulate many cellular processes, such as…
![Covalently Linked Protein Regulators](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11521.jpg)
Proteins can undergo many types of post-translational modifications, often in response to changes in their environment. These modifications play an…
![Mechanical Protein Functions](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11523.jpg)
Proteins perform many mechanical functions in a cell. These proteins can be classified into two general categories- proteins that generate mechanical…
![Structural Protein Function](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11524.jpg)
Structural proteins are a category of proteins responsible for functions ranging from cell shape and movement to providing support to major…
![Analyzing Protein Architectures and Protein-Ligand Complexes by Integrative Structural Mass Spectrometry](https://cloudfront.jove.com/files/thumbs/57966_t.png)
Analyzing Protein Architectures and Protein-Ligand Complexes by Integrative Structural Mass Spectrometry
Free SampleFree access at this time
Proteins are an important class of biological macromolecules that play many key roles in cellular functions including gene expression, catalyzing…
![Measurement of Force-Sensitive Protein Dynamics in Living Cells Using a Combination of Fluorescent Techniques](https://cloudfront.jove.com/files/thumbs/58619_t.png)
Cells sense and respond to physical cues in their environment by converting mechanical stimuli into biochemically-detectable signals in a process…