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GO:0070525

View this GO term in other databases

Overview

Field Value
Namespace Biological process
Short description TRNA threonylcarbamoyladenosine metabolic process
Full defintion The chemical reactions and pathways involving tRNA threonylcarbamoyladenosine, a modified nucleoside found in some tRNA molecules.
Subterm of

Relationships

The relationship of GO:0070525 with other GO terms.

Relationship type GO terms
Is a
Regulates n.a.
Part of n.a.
Positively regulates n.a.
Negatively regulates n.a.

Ancestor tree

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Additional data

This table contains additional metadata associated with the GO entry's definition field.

Field Value
GOCmah
PMID
The universal YrdC/Sua5 family is required for the formation of threonylcarbamoyladenosine in tRNA.El Yacoubi B, Lyons B, Cruz Y, Reddy R, Nordin B, Agnelli F, Williamson JR, Schimmel P, Swairjo MA, de Crécy-Lagard V
Nucleic Acids Res. 2009 May; 37 (9): 2894–909.PMID: 19287007

Threonylcarbamoyladenosine (t(6)A) is a universal modification found at position 37 of ANN decoding tRNAs, which imparts a unique structure to the anticodon loop enhancing its binding to ribosomes in vitro. Using a combination of bioinformatic, genetic, structural and biochemical approaches, the universal protein family YrdC/Sua5 (COG0009) was shown to be involved in the biosynthesis of this hypermodified base. Contradictory reports on the essentiality of both the yrdC wild-type gene of Escherichia coli and the SUA5 wild-type gene of Saccharomyces cerevisiae led us to reconstruct null alleles for both genes and prove that yrdC is essential in E. coli, whereas SUA5 is dispensable in yeast but results in severe growth phenotypes. Structural and biochemical analyses revealed that the E. coli YrdC protein binds ATP and preferentially binds RNA(Thr) lacking only the t(6)A modification. This work lays the foundation for elucidating the function of a protein family found in every sequenced genome to date and understanding the role of t(6)A in vivo.

Associated Lotus transcripts

GO predictions are based solely on the InterPro-to-GO mappings published by EMBL-EBI, which are in turn based on the mapping of predicted domains to the InterPro dataset. The InterPro-to-GO mapping was last updated on , while the GO metadata was last updated on .

No transcripts are associated with this gene ontology identifier.