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Literature DB >> 1331061

The polyphosphate kinase gene of Escherichia coli. Isolation and sequence of the ppk gene and membrane location of the protein.

Abstract

Polyphosphate kinase (PPK) catalyzes the reversible transfer of the terminal phosphate of ATP to form a long-chain polyphosphate (polyP) (Ahn, K., and Kornberg, A. (1990) J. Biol. Chem. 265, 11734-11739). The Escherichia coli gene (ppk) encoding PPK has been cloned, sequenced, and overexpressed (about 100-fold). The gene possesses an open reading frame for 687 amino acids (mass of 80,278 Da). PPK has been purified from overproducing cells after release from attachment to the cell outer membrane; the purified soluble PPK reassociate with cell membrane fractions. About 850 molecules of PPK are found in a wild type cell.

Entities: Chemical Gene Species

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Year: 1992 PMID： 1331061

Source DB: PubMed Journal: J Biol Chem ISSN： 0021-9258 Impact factor: 5.157

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Cited

66 in total

1. Inorganic polyphosphate kinase is required to stimulate protein degradation and for adaptation to amino acid starvation in Escherichia coli.

Authors: A Kuroda; S Tanaka; T Ikeda; J Kato; N Takiguchi; H Ohtake
Journal: Proc Natl Acad Sci U S A Date: 1999-12-07 Impact factor: 11.205

The polyphosphate kinase gene of Escherichia coli. Isolation and sequence of the ppk gene and membrane location of the protein.

1. Inorganic polyphosphate kinase is required to stimulate protein degradation and for adaptation to amino acid starvation in Escherichia coli.

2. Cloning and characterization of polyphosphate kinase and exopolyphosphatase genes from Pseudomonas aeruginosa 8830.

3. Enhanced phosphate uptake and polyphosphate accumulation in Burkholderia cepacia grown under low pH conditions.

4. The endopolyphosphatase gene: essential in Saccharomyces cerevisiae.

5. Transcriptome analysis of Campylobacter jejuni polyphosphate kinase (ppk1 and ppk2) mutants.

6. Mutations in Escherichia coli Polyphosphate Kinase That Lead to Dramatically Increased In Vivo Polyphosphate Levels.

Review 7. Role of polyphosphates in microbial adaptation to extreme environments.

Review 8. Linkage map of Escherichia coli K-12, edition 10: the traditional map.

9. Inorganic polyphosphate in Escherichia coli: the phosphate regulon and the stringent response.

10. Polyphosphate kinase 1 is a pathogenesis determinant in Campylobacter jejuni.