page_title: Protein tandem repeats
section_title: "Repeats" in proteins
hierarchical_section_title: Protein tandem repeats / "Repeats" in proteins
caption_attribution_description: English: Multiple sequence alignment of Pentapeptide repeat proteins.
context_page_description: An array of protein tandem repeats is defined as several adjacent copies having the same or similar sequence motifs. These periodic sequences are generated by internal duplications in both coding and non-coding genomic sequences. Repetitive units of protein tandem repeats are considerably diverse, ranging from the repetition of a single amino acid to domains of 100 or more residues.
context_section_description: In proteins, a "repeat" is any sequence block that returns more than one time in the sequence, either in an identical or a highly similar form. The degree of similarity can be highly variable, with some repeats maintaining only a few conserved amino acid positions and a characteristic length. Highly degenerate repeats can be very difficult to detect from sequence alone. Structural similarity can help to identify repetitive patterns in sequence.
caption: Example multiple sequence alignment of a pentapeptide repeat leading to a tandem repeat structure
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