Table 1 Classes and length distribution of tandem repeats in the human genome.
From: Repetitive DNA sequence detection and its role in the human genome
Class of TRs | Length of TR unit | Length of TR array |
|---|---|---|
Telomeres | ~6 bp | ~10–15 kb |
Tandem paralogous | ||
rDNA | ~43 kb | ~3–6 Mb |
Segmental duplications | ~1–400 kb | ~1kb–5Mb |
Microsatellites | ~2–6 bp | ~10–100bp |
Minisatellites | ~10–100bp | ~100bp–20kb |
Satellites | ||
Alpha satellite | ~171bp | ~0.2–8Mb |
Beta satellite | ~68 bp | ~60–80kb |
Gamma satellite | ~48–220bp | ~11–121kb |
Satellite I | ~17–25bp | ~2.5kb |
Satellite II | ~23–200bp | ~11–70kb |
Satellite III | ~5bp | ~3.6kb |
Satellite IV | ~35bp | ~25–530kb |
Macrosatellites | ~100bp–5kb | ~300kb |
Megasatellites | ~1–5kb | ~400kb |