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Table 1 Characteristics of miRNA hairpins in various taxonomic groups.

From: HHMMiR: efficient de novo prediction of microRNAs using hierarchical hidden Markov models

 

HP

LP

MIR

EXT

PRI

Mean

     

Vertebrates

86.7

7.3

22.0

5.0

12.6

Invertebrates

91.8

7.9

22.2

5.8

13.8

Plants

119.5

6.8

21.3

22.8

12.5

Std. Dev.

     

Vertebrates

13.8

3.5

0.9

3.4

7.0

Invertebrates

13.1

3.9

1.3

4.5

5.9

Plants

43.2

3.7

1.0

18.5

9.9

Minimum

     

Vertebrates

55

3

16

0

0

Invertebrates

54

3

18

0

0

Plants

57

3

16

0

0

Maximum

     

Vertebrates

153

22

26

34

50

Invertebrates

215

30

28

55

32

Plants

337

35

24

102

78

  1. HP: Hairpin length; LP: Loop length; MIR: MiRNA length; EXT: Distance of miRNA duplex from end of loop; PRI: Length of extension from end of miRNA to end of precursor. The list of organisms used for this Table is provided as Supplementary Data.