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Protein synthesis
Protein synthesis

... minoacyltRNA-synthetases,two sets of ...
Protein synthesis
Protein synthesis

... minoacyltRNA-synthetases,two sets of ...
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workshops
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... profilescan uses a database of profiles to find structural motifs in proteins. peptidesort shows peptides from a digest of an amino acid sequence. isoelectric plots the charge as a function of pH for any peptide sequence. peptidemap creates peptide map of an amino acid sequence. pepplot makes parall ...
WORKSHOPS
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A1987K668100001
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The Druggable Genome - European Bioinformatics Institute
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Fast Protein Folding in the Hydrophobic
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Statistical Analysis Using Scaffold - Proteome Software
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Protein folding



Protein folding is the process by which a protein structure assumes its functional shape or conformation. It is the physical process by which a polypeptide folds into its characteristic and functional three-dimensional structure from random coil.Each protein exists as an unfolded polypeptide or random coil when translated from a sequence of mRNA to a linear chain of amino acids. This polypeptide lacks any stable (long-lasting) three-dimensional structure (the left hand side of the first figure). Amino acids interact with each other to produce a well-defined three-dimensional structure, the folded protein (the right hand side of the figure), known as the native state. The resulting three-dimensional structure is determined by the amino acid sequence (Anfinsen's dogma). Experiments beginning in the 1980s indicate the codon for an amino acid can also influence protein structure.The correct three-dimensional structure is essential to function, although some parts of functional proteins may remain unfolded, so that protein dynamics is important. Failure to fold into native structure generally produces inactive proteins, but in some instances misfolded proteins have modified or toxic functionality. Several neurodegenerative and other diseases are believed to result from the accumulation of amyloid fibrils formed by misfolded proteins. Many allergies are caused by incorrect folding of some proteins, because the immune system does not produce antibodies for certain protein structures.
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