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Article

Polyphosphate kinase 1, a conserved bacterial enzyme, in a eukaryote, Dictyostelium discoideum, with a role in cytokinesis.

Proceedings of the National Academy of Sciences of the United States of America - 16 Oct 2007

Zhang Haiyu, Gómez-García María R, Shi Xiaobing, Rao Narayana N, Kornberg Arthur

Abstract excerpt

Polyphosphate kinase 1 (PPK1), the principal enzyme responsible for reversible synthesis of polyphosphate (poly P) from the terminal phosphate of ATP, is highly conserved in bacteria and archaea. Dictyostelium discoideum, a social slime mold, is one of a few eukaryotes known to possess a PPK1 homolog (DdPPK1). Compared with PPK1 of Escherichia coli, DdPPK1 contains the conserved residues for ATP binding and...

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PMID: 17940044
DOI: 10.1073/pnas.0706847104
PMCID: PMC2034253

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Source receipt: pubmed, retrieved 7 Sept 2026.

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