S4

S4 RNA-binding domain
S4
SMART accession number:SM00363
Description:
Interpro abstract (IPR002942):

The S4 domain is a small domain consisting of 60-65 amino acid residues that was detected in the bacterial ribosomal protein S4, eukaryotic ribosomal S9, two families of pseudouridine synthases, a novel family of predicted RNA methylases, a yeast protein containing a pseudouridine synthetase and a deaminase domain, bacterial tyrosyl-tRNA synthetases, and a number of uncharacterised, small proteins that may be involved in translation regulation [(PUBMED:10093218)]. The S4 domain probably mediates binding to RNA [(PUBMED:9707415)].

GO function:RNA binding (GO:0003723)
Family alignment:
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There are 15211 S4 domains in 15206 proteins in SMART's nrdb database.

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