Boolean operators AND, OR, NOT must be in upper case


Sequences Database




Real-time histogram of sequences distribution
Viroids (1742)Related (28)HDV (833)Satellites (320)



The Subviral RNA Database contains 2923 sequences indexed in 83 species and 4 main groups.



Subviral AgentNumber of sequences% of sequences totalNumber of species
HDV83328.51
Related281.02
Satellites32010.938
Viroids174259.642
Totals292310083



RNA Motifs Database




 Motifs Distribution
Motif NameViroidsSatellitesHDVRelated
RY-internal-terminal 161 0 0 0
Hammerhead I 174 2 0 13
delta Rz 0 0 203 0
Hammerhead III 280 25 0 15
Hairpin Rz 0 8 0 0
RY-terminal-only 99 0 0 0



 Motifs Distribution
Motif NameNumber of sequences
polarity +
Number of sequences
polarity -
RY-internal-terminal 161 0
Hammerhead I 102 87
delta Rz 98 105
Hammerhead III 161 159
Hairpin Rz 0 8
RY-terminal-only 99 0