Proteins I. Introduction Bio chemical substance reactions are turnd by enzymes Structure of cells and the extracellular matrix that surrounds the cells (e.g. collagen) Transport of materials (e.g. transferrin), receptors for hormone, transcription factors Makeup of antibodies II. Synthesis and destructive metabolism [pic] [pic] Disintegration of protein to amino group group stingings o Lysosomal piece of ground degrades extracellular proteins o Cytosolic pathway degrades intracellular proteins Transamination o key reaction that remove amino acid nitrogen from the eubstance III. Structure Levels of protein structure Primary ? Amino acids in a specific sequence Secondary ? on a ceaseless basis repeating structures stabilized by hydrogen bonds be tween the amino acids within the protein ? ?-helix and ? pleated sheets ? Adds strength and flexibility to the protein Tertiary ? Overall, shape, kind (fold) of the protein corpuscle ? Due to interaction of side chains (e.g. hydrophobic effect, hydrogen bonds, etc.) ? Function, physical and chemical properties depend on this quad ? Interaction of more than one protein molecule or subunits IV.
compartmentalisation Classification by Protein Functi ons |Classification |Funct! ion | |Enzymes |proteins that catalyze chemical reactions | |Hormones |Proteins that are chemical messengers that control the actions of specific cells or variety meat | | |Affect growth and development, metabolism,...If you want to get a wide-eyed essay, order it on our website:
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