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. 2015 Jun 5;10(6):e0129127. doi: 10.1371/journal.pone.0129127

Table 5. Classification of EST-SSR according to the motif length.

Types of repeats Class I (>20 bases) Class II (<20 bases) Total No. of SSR loci Average frequency(Kb/SSR)
Dinucleotide 223 705 928 15.20
Trinucleotide 266 876 1142 12.33
Tetranucleotide 29 223 252 55.87
Pentanucleotide 17 450 467 30.15
Hexanucleotide 122 462 584 24.11
Total 657 (19.47%) 2716 (80.53%) 3373 4.17