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amidase family protein
Asp-tRNA(Asn)/Glu-tRNA(Gln) amidotransferase subunit GatA
Asp-tRNA(Asn)/Glu-tRNA(Gln) amidotransferase subunit GatA allows the formation of correctly charged Gln-tRNA(Gln) through the transamidation of misacylated Glu-tRNA(Gln) in organisms which lack glutaminyl-tRNA synthetase
Members of this family are GatA, the amidase chain (designated subunit A) of a heterotrimeric complex that converts Asp to Asn, and/or converts Glu to Gln, after misacylation of a tRNA(Asn) with Asp or of tRNA(Gln) with Glu. Where direct experimental evidence for an enzyme or a sufficiently close homolog is lacking, the fine specificity may best be inferred by genomic context. Where direct ligation of neither Gln not Asn to tRNA occurs, and only a single GatA family occurs, the amidase should contribute to both EC 6.3.5.6 and 6.3.5.7 activities.
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