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Clan: SNORA28 (CL00033)


SNORA28 clan

The SNORA28 clan contains the RNA families SNORA28, snopsi18S-841 and snR80. Researchers at the human snoRNA database (snoRNABase) have established that the following human and S. cerevisiae snoRNAs target modifications on orthologous positions of the ribosome: SNORA28 and snR80 [1].

This clan contains 3 families and the total number of sequence regions in the clan is 474.

Literature references

  1. Lestrade L, Weber MJ;, Nucleic Acids Res. 2006;34:D158-D162.: snoRNA-LBME-db, a comprehensive database of human H/ACA and C/D box snoRNAs. 16381836


This clan contains the following 3 member families:

SNORA28 snopsi18S-841 snR80

External database links

Secondary structures

This tool allows you to view the secondary structure images of two clan members side-by-side. Choose the family structures using the two drop-down menus below.


The table below shows the number of occurrences of each family throughout the sequence database. In brackets beside each number is the percentage of the total number of sequence hits for the clan that are represented by this family. The rightmost column provides a link to the alignments tab for each family.

Rfam family Num. regions Alignment
snR80 (RF01269) 198 (41.8%) View
snopsi18S-841 (RF00545) 59 (12.4%) View
SNORA28 (RF00400) 217 (45.8%) View