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Is it expected a change in the primary, in the secondary or in the tertiary structure of a protein to produce more functional consequences?
Answer Posted / Satish Chandra
Changes in any part of a protein's structure can lead to functional consequences, but they may not have equal impacts. Changes in the primary structure (amino acid sequence) can alter the protein's function by modifying its enzymatic activity, stability, or interaction with other molecules. Secondary structure changes (formation and rearrangement of hydrogen bonds between amino acids) can affect a protein's folding and overall shape, which may impact its function. Changes in tertiary structure (overall three-dimensional conformation) usually have the most significant functional consequences since this structure determines the active site, binding sites, and other key features necessary for proper functioning.
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