Puneet Varma

Archaeosine synthase

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EC number  2.6.1.97
BRENDA  BRENDA entry
KEGG  KEGG entry
IntEnz  IntEnz view
ExPASy  NiceZyme view
MetaCyc  metabolic pathway

Archaeosine synthase (EC 2.6.1.97, ArcS, TgtA2, MJ1022 (gene), glutamine:preQ0-tRNA amidinotransferase) is an enzyme with systematic name L-glutamine:7-cyano-7-carbaguanine aminotransferase. This enzyme catalyses the following chemical reaction

L-glutamine + 7-cyano-7-carbaguanine15 in tRNA + H2O L-glutamate + archaeine15 in tRNA

In Euryarchaeota the reaction is catalysed by ArcS.

References

Archaeosine synthase Wikipedia


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