H_ACA_box_snoRNA [SO_0000594]

Members of the box H/ACA family contain an ACA triplet, exactly 3 nt upstream from the 3’ end and an H-box in a hinge region that links two structurally similar functional domains of the molecule. Both boxes are important for snoRNA biosynthesis and function. A few box H/ACA snoRNAs are involved in rRNA processing; most others are known or predicted to participate in selection of uridine nucleosides in rRNA to be converted to pseudouridines. Site selection is mediated by direct base pairing of the snoRNA with rRNA through one or both targeting domains.
Tags:

H_ACA_box_snoRNA

ID: SO_0000594

Class

Members of the box H/ACA family contain an ACA triplet, exactly 3 nt upstream from the 3' end and an H-box in a hinge region that links two structurally similar functional domains of the molecule. Both boxes are important for snoRNA biosynthesis and function. A few box H/ACA snoRNAs are involved in rRNA processing; most others are known or predicted to participate in selection of uridine nucleosides in rRNA to be converted to pseudouridines. Site selection is mediated by direct base pairing of the snoRNA with rRNA through one or both targeting domains.

Added 'SNORD' as a synonym of C_D_box_snoRNA (SO:0000593) and 'SNORA' as a synonym of H_ACA_box_snoRNA (SO:0000594). See GitHub Issue #577.

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Classification

Relationships

Alternative Names

Synonym Scope Reference
H/ACA box snoRNA exact synonym
H ACA box snoRNA exact synonym
SNORA exact synonym 31828325
box H/ACA snoRNA exact synonym

References