ENZYME entry: EC 2.4.2.48

Accepted Name
tRNA-guanine(15) transglycosylase.
Alternative Name(s)
Transfer ribonucleic acid guanine(15) transglycosylase.
tRNA guanine(15) transglycosidase.
Reaction catalysed
Guanine(15) in tRNA + 7-cyano-7-carbaguanine <=> 7-cyano-7-carbaguanine(15) in tRNA + guanine
Comment(s)
  • Archaeal tRNAs contain the modified nucleoside archaeosine at position 15.
  • This archaeal enzyme catalyzes the exchange of guanine at position 15 of tRNA with the base preQ(0), which is ultimately modified to form the nucleoside archaeosine (cf. EC 2.6.1.97).
Cross-references
BRENDA2.4.2.48
EC2PDB2.4.2.48
ExplorEnz2.4.2.48
PRIAM enzyme-specific profiles2.4.2.48
KEGG Ligand Database for Enzyme Nomenclature2.4.2.48
IUBMB Enzyme Nomenclature2.4.2.48
IntEnz2.4.2.48
MEDLINEFind literature relating to 2.4.2.48
MetaCyc2.4.2.48
UniProtKB/Swiss-Prot
Q9YAC2, ATGT_AERPE;  O29667, ATGT_ARCFU;  Q5UXP9, ATGT_HALMA;  
Q9HNT1, ATGT_HALSA;  Q9C4M3, ATGT_HALVD;  B1L6M8, ATGT_KORCO;  
A6UVD8, ATGT_META3;  Q8THU2, ATGT_METAC;  Q46DI6, ATGT_METBF;  
Q2FUA5, ATGT_METHJ;  Q57878, ATGT_METJA;  Q8TYV3, ATGT_METKA;  
A4FYL8, ATGT_METM5;  A9A6B5, ATGT_METM6;  A6VJR4, ATGT_METM7;  
Q8PXW5, ATGT_METMA;  Q6LZL5, ATGT_METMP;  A5UNI4, ATGT_METS3;  
Q2NGY4, ATGT_METST;  O26278, ATGT_METTH;  A6USA4, ATGT_METVS;  
Q74N90, ATGT_NANEQ;  Q3IR98, ATGT_NATPD;  Q6L1W3, ATGT_PICTO;  
Q9UZN0, ATGT_PYRAB;  Q8ZYH2, ATGT_PYRAE;  Q8TH08, ATGT_PYRFU;  
O58843, ATGT_PYRHO;  Q4JAY6, ATGT_SULAC;  Q980L7, ATGT_SULSO;  
Q975U5, ATGT_SULTO;  Q9HI54, ATGT_THEAC;  Q5JHC0, ATGT_THEKO;  
B6YUR8, ATGT_THEON;  Q977Z3, ATGT_THEVO;  

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All UniProtKB/Swiss-Prot entries referenced in this entry, with possibility to download in different formats, align etc.
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 2.4.2.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 2.4.-.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 2.-.-.-