Skip to main content

Table 5 Attributes for the "RNA Structure Query System." The 5' and 3' ends of helices and loops are based on the global orientation determined from the 5' and 3' ends of the entire RNA molecule.

From: The Comparative RNA Web (CRW) Site: an online database of comparative sequence and structure information for ribosomal, intron, and other RNAs

RNA Types

5S rRNA, 16S rRNA, 23S rRNA, Group I intron

Phylogenetic Groups / Cell Locations

Bacteria (nucleus), Archaea (nucleus), Eucarya (nucleus, mitochondria, and chloroplast)

number/type of nucleotides

structural element short name

brief explanation (if necessary)

single nuc

total

 
 

paired (helix)

paired positions

 

unpaired (loop)

unpaired positions

 

5' helix end

5' end of helix

 

3' helix end

3' end of helix

 

5' loop end

5' end of loop

 

3' loop end

3' end of loop

 

helix center

in helix but not at the 5' or 3' ends

 

loop center

in loop but not at the 5' or 3' ends

 

unpaired/paired

ratio of 'unpaired' / 'paired'

adjacent nucs

total

 
 

in helix

paired positions

 

in loop

unpaired positions

 

3'helix 5'loop

junction: 3' end ofhelix/5' end of loop

 

3'loop 5'helix

junction: 3' end ofloop/5' end of helix

 

in loop/in helix

ratio 'in loop' / 'in helix'

base pairs

total

 
 

5'helix end

at the 5' end of a helix

 

3'helix end

at the 3' end of a helix

 

helix center

in helix, but not at the 5' or 3' ends

three nucs

total

 
 

000, 111,001,011,010, 100, 101,110

0 = unpaired, 1 = paired; patterns of three consecutive nucleotides

 

5'-(A:C)B

base pair with an unpaired nucleotide 3' to one paired position

 

5'-A(B:C)

base pair with an unpaired nucleotide 3' to one paired position

four nucs

total

 
 

0000,1111,0001, 1110,0010, 1101,0011,1100,0100, 1011, 0101,1010,0110, 1001, 1000, 0111

0 = unpaired, 1 = paired; patterns of four consecutive nucleotides

 

double pair@5end

two consecutive base pairs at the 5' end of helices

 

double pair@mid

two consecutive base pairs not at the 5' or 3'ends of helices

 

double pair@3end

two consecutive base pairs at the 3' end of helices

 

5-(A:D)BC

base pair with two consecutive unpaired nucleotides 3' to one paired position

 

lonepair

base pair with unpaired nucleotides 5' and 3' to one unpaired position

 

5-AB(C:D)

base pair with two consecutive unpaired nucleotides 5' to one paired position