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Table 2 Classification of PacBio reads according to 5S rDNA higher-order organisation

From: Higher-order organisation of extremely amplified, potentially functional and massively methylated 5S rDNA in European pikes (Esox sp.)

Group 5S arrangement in a reada Number of reads (percentage) Number of 5S genes (percentage) b
I Tandem repeats, no unique DNA 95 (33) 4539 (58)
II Tandem repeats + unique DNA 72 (25) 2352 (30)
III Blocks of inverted repeats 11 (4) 639 (8)
IV Dispersed or short (<5 units) tandems 108 (38) 274 (4)
Total   286 (100) 7769 (100)
  1. aThe data sets and read annotations are in Additional file 7: Table S3
  2. bThe number of genes in reads was determined based on MultiBlast search using the 5S genic region (NGS consensus) as a query