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Table 1 The main RNA types included in RNA STRAND v2.0.

From: RNA STRAND: The RNA Secondary Structure and Statistical Analysis Database

RNA type

Main source(s)

#

Length

% PKBP

  

entries

mean

std

mean

std

Transfer messenger RNA

tmRDB [4]

726

368

86

21.0

6.1

16S ribosomal RNA

CRW [1], PDB [10]

723

1529

286

1.8

0.5

Transfer RNA

Sprinzl DB [2], PDB [10]

707

76

21

0.1

2.3

Ribonuclease P RNA

RNase P DB [3]

470

323

71

5.7

3.2

Signal rec. particle RNA

SRPDB [4], PDB [10]

394

220

111

0.0

0.0

23S ribosomal RNA

CRW [1], PDB [10]

205

2699

716

2.4

1.1

5S ribosomal RNA

CRW [1], PDB [10]

161

115

21

0.0

0.0

Group I intron

CRW [1], PDB [10]

152

563

412

5.8

2.2

Hammerhead ribozyme

Rfam [5], PDB [10]

146

61

24

0.0

0.0

Group II intron

CRW [1], PDB [10]

42

1298

829

1.4

3.5

All molecules

All of the above

4666

527

722

5.3

9.1

  1. Overview of the main RNA types in version 2.0 of the RNA STRAND database, their provenance, the number of RNAs, the mean length and standard deviation for each type. % PKBP denotes the percentage of the base pairs that need to be removed in order to render the structure pseudoknot-free. Most of the major RNA types are represented by a large number of molecules.