Protein Domain : Endoribonuclease YbeY IPR002036

Type  Family
Description  YbeY is a single strand-specific metallo-endoribonuclease involved in late-stage 70S ribosome quality control and in maturation of the 3' terminus of the 16S rRNA. It acts together with the RNase R to eliminate defective 70S ribosomes, but not properly matured 70S ribosomes or individual subunits, by a process mediated specifically by the 30S ribosomal subunit. It is involved in the processing of 16S, 23S and 5S rRNAs, with a particularly strong effect on maturation at both the 5'-and 3'-ends of 16S rRNA as well as maturation of the 5'-end of 23S and 5S rRNAs [ , , , , ].The crystal structure of the protein from the hyperthermophilic bacteria Aquifex aeolicus has been determined. The overall fold consists of one central α-helix surrounded by a four-stranded β-sheet and four other α-helices. Structure-based homology analysis reveals a good resemblance to the metal-dependent proteinases such as collagenases and gelatinases. However, experimental tests for collagenase and gelatinase-type function show no detectable activity under standard assay conditions [ ].
Short Name  YbeY

0 Child Features

1 Gene Families

106 Genes

2 Ontology Annotations

0 Parent Features

14 Publications

USDA
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