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`Hybrid Protein Model`for optimally defining 3D protein structure
`Hybrid Protein Model`for optimally defining 3D protein structure

... C-caps of α-helices. This categorization provides a rough approximation of the PB locations in the protein folds. Figure 1 shows the coding of a lysozyme (code PDB: 153l): every fragment of 5 consecutive residues is assigned to the corresponding Protein Block according to its series of dihedral angl ...
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L-‐Lysine Monohydrochloride [Feed Grade (78.8%)]
L-‐Lysine Monohydrochloride [Feed Grade (78.8%)]

... requirement  of  the  first  limiting  amino  acid.    With  the  commercialization  of   L-­‐Lysine,  nutritionists  have   more   flexibility   with   utilizing   nontraditional   feed   ingredients,   which   may   improve   profitability   with ...
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Proteolysis



Proteolysis is the breakdown of proteins into smaller polypeptides or amino acids. Uncatalysed, the hydrolysis of peptide bonds is extremely slow, taking hundreds of years. Proteolysis is typically catalysed by cellular enzymes called proteases, but may also occur by intra-molecular digestion. Low pH or high temperatures can also cause proteolysis non-enzymatically.Proteolysis in organisms serves many purposes; for example, digestive enzymes break down proteins in food to provide amino acids for the organism, while proteolytic processing of a polypeptide chain after its synthesis may be necessary for the production of an active protein. It is also important in the regulation of some physiological and cellular processes, as well as preventing the accumulation of unwanted or abnormal proteins in cells. Consequently, dis-regulation of proteolysis can cause diseases, and is used in some venoms to damage their prey.Proteolysis is important as an analytical tool for studying proteins in the laboratory, as well as industrially, for example in food processing and stain removal.
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