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Table 2 Accuracies depending on different alignment features.

From: RNAstrand: reading direction of structured RNAs in multiple sequence alignments

   

c = 0

 

alignment feature

N

A

A +

A -

N S = 2

4487

0.824

0.829

0.819

N S = 3

5311

0.833

0.830

0.837

N S = 4

6388

0.828

0.830

0.827

N S = 5

7234

0.797

0.805

0.789

N S = 6

7500

0.832

0.835

0.829

50 ≤ sequence identity < 70

13187

0.799

0.799

0.799

70 ≤ sequence identity < 80

12152

0.827

0.832

0.823

80 ≤ sequence identity < 90

5550

0.865

0.871

0.859

90 ≤ sequence identity < 100

31

0.903

0.871

0.935

40 ≤ length ≤ 100

11191

0.768

0.773

0.763

101 ≤ length ≤ 200

14180

0.853

0.856

0.851

201 ≤ length ≤ 300

1697

0.637

0.641

0.634

301 ≤ length ≤ 400

3852

0.945

0.945

0.945

all alignments

30920

0.822

0.825

0.819

  1. Performance of RNAstrand depending on various alignment features, i.e. number of sequences (N S ), sequence identity and alignment length. N : number of alignments in the test sets, A: accuracy, which is defined as the fraction of correctly classified input alignments, A+: accuracy of alignments in reading direction of ncRNA, A-: accuracy of reverse complementary alignments.