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CATH Classification

Domain Context

CATH Clusters

Superfamily HUPs
Functional Family tRNA(Ile)-lysidine synthase

Enzyme Information

6.3.4.19
tRNA(Ile)-lysidine synthetase.
based on mapping to UniProt O67728
(tRNA(Ile2))-cytidine(34) + L-lysine + ATP = (tRNA(Ile2))-lysidine(34) + AMP + diphosphate + H(2)O.
-!- The bacterial enzyme modifies the wobble base of the CAU anticodon of tRNA(Ile) at the oxo group in position 2 of cytidine(34). -!- This modification determines both codon and amino acid specificities of tRNA(Ile).

UniProtKB Entries (1)

O67728
TILS_AQUAE
Aquifex aeolicus VF5
TRNA(Ile)-lysidine synthase

PDB Structure

PDB 1WY5
External Links
Method X-RAY DIFFRACTION
Organism Escherichia
Primary Citation
Structural basis for lysidine formation by ATP pyrophosphatase accompanied by a lysine-specific loop and a tRNA-recognition domain.
Nakanishi, K., Fukai, S., Ikeuchi, Y., Soma, A., Sekine, Y., Suzuki, T., Nureki, O.
Proc.Natl.Acad.Sci.Usa
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