Synthesis of diadenosine 5',5'''-P1,P4-tetraphosphate by organellar and cytoplasmic phenylalanyl-tRNA synthetases of Euglena gracilis.
- Published Article
Wiley Blackwell (John Wiley & Sons)
- Publication Date
Aug 01, 1988
Purified phenylalanyl-tRNA synthetases present in chloroplasts, mitochondria and cytoplasm of green and bleached Euglena gracilis strains, respectively, are able to synthesize diadenosine 5',5'''-P1,P4-tetraphosphate (Ap4A). Ap4A synthesis is strictly dependent on zinc ions. This is the first evidence that chloroplasts should be able to synthesize Ap4A. Synthesis of Ap4A by phenylalanyl-tRNA synthetases of the three compartments of a plant cell or by other enzymes such as Ap4A phosphorylase is discussed.
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The corresponding record at NLM can be accessed at https://www.ncbi.nlm.nih.gov/pubmed/3402601