A feature is a single word or abbreviation indicating a functional role or region associated with a sequence. A list of SWISS-PROT features (organized by feature type) is presented below. An example for each feature is also included to illustrate its use for describing a sequence location or region.
3.3.1 Change Indicators
3.3.2 Amino Acid Modifications
3.3.4 Secondary Structure
Secondary structures are formed as a result of the physical characteristics of the amino acid sidechains of a protein (see Table 3-4).
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