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4 classes of protein structure • Primary • Secondary • Tertiary • QuaternaryKEY PROTEIN FUNCTIONS • Accelerate reactions • Provide structural support • Send communication signals • Aid in cellular movement • Provide immune defense • Storage of nutrients (nitrogen) "Structure determines function."CLASSES OF PROTEIN STRUCTURE 1. Primary protein structure • Together, peptide bonds and amino acids form a polypeptide chain (aka a protein). • The primary structure of a protein determines its secondary and tertiary structures. As a clinical correlate, in sickle cell anemia, a single substitution of an amino acid in the primary structure of the protein results in a structural defect in hemoglobin. 2. Secondary protein structure • Two basic forms: alpha-helices and beta-sheets • Hydrogen bond interactions within the alpha-helix and beta-sheet provide the stability of secondary structure of proteins. Alpha-helices • Low energy conformations that enable higher-order packing of proteins. • Large or charged amino acid groups (such as proline) can disable the alpha helix conformation by manually disrupting the hydrogen bond interactions. Beta-pleated sheets • More structurally diverse than alpha helices and thus facilitate more diverse protein functions. • Create stable, diverse structures within a protein to allow higher order functions. • There are two notable ways in which the beta-pleated sheet can exist: - Parallel — the peptide chain advances in a single direction. - Anti-parallel — the peptide chain advances in two opposite directions.As a clinical correlate, prions are pathogenic, transmissible agents, which cause conversion from an alpha-helical form to a beta-sheet-rich conformer. Prions accumulate in the brain and cause a variety of spongiform encephalopathies, such as "mad cow disease".3. Tertiary protein structure • Is the protein's three-dimensional shape (its "native conformation") and the function of a protein is depende...
This is a list of protein sources, with an emphasis on plant-based proteins. Try to include a source of protein, preferrable plant-based, at every meal and snack. Fish and chicken are high-quality animal sources of protein. Limit beef and pork intake.
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Learn how plants can be a complete source of protein and just as good (or better!) than animal proteins. See for yourself with this delicious High Protein Hemp Hummus recipe.
Learn how plants can be a complete source of protein and just as good (or better!) than animal proteins. See for yourself with this delicious High Protein Hemp Hummus recipe.
Not all proteins are created equally. Here are 50 quality high protein foods that can maximize your health benefits and help you meet your fitness goals.
5-ingredient homemade protein powder is made from wholesome seeds with no chemicals or fillers, is easy to customize & versatile!
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These Soft & Gooey Protein Blondies are a sweet treat that packs a nutritious punch! Made with wholesome ingredients like protein powder and nut butter, they’re perfect for a post-workout snack or an indulgent dessert. Rich in flavor and easy to whip up, these blondies will satisfy your sweet tooth without any guilt. Save this recipe for your next baking session!
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Consumer interest in plant-based diets and plant proteins is booming. The benefits of long-established protein ingredients are fine-tuned and generally well ...
Primary, Secondary, Tertiary and Quaternary structure
These 4-ingredient protein brownies pack 15g of protein per serving and taste just like real brownies! Ready in 25 minutes with simple pantry ingredients.
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Hey, health enthusiasts! Let's spill the beans on the magic of protein powder! It's your fitness BFF, boosting muscles, curbing cravings, and keeping you energized. Whether you blend it in smoothies or bake it into treats, protein powder is your ticket to a strong, satisfied, and healthier you! 💪✨ #ProteinBoost #HealthyLivingVibes
No bake protein peanut butter energy bites that taste like peanut butter cookie dough. Packed with flaxseed, chia, oats & chocolate chips!
