Ontology Term : Pfam:PF10343 Potential Queuosine, Q, salvage protein family EMBL-EBI

Description  Q_salvage proteins occur in most Eukarya as well as in a few bacteria possible via horizontal gene-transfer. Queuosine (Q) is a chemical modification found at the wobble position of tRNAs that have GUN anticodons. Most bacteria synthesize queuosine de novo, whereas eukaryotes rely solely on salvaging this essential component from the environment or the gut flora. The exact enzymatic function of the domain has yet to be determined, but structural similarity with DNA glycosidases suggests a ribonucleoside hydrolase role [1].
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