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Fluoride Inhibition of Enolase: Crystal Structure and Thermodynamics ,

Qin, Jie, Chai, Geqing, Brewer, John M., Lovelace, Leslie L., Lebioda, Lukasz·2006·Biochemistry

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  • The depletion of PEP highlights inhibition of the enolase enzyme, a previously identified target of NaF toxicity.

    “highlighting the inhibition of the enolase enzyme (which catalyses the penultimate step of the EMP pathway, converting 3‐phosphoglycerate to PEP), one of the targets of NaF toxicity previously identified in in vitro studies (Qin et al., 2006).”
  • When in complex with a divalent metal ion and ADP, fluoride forms a non-functional mimic of ATP that can inhibit enolase.

    “when in complex with a divalent metal ion and ADP, fluoride forms a non-functional mimic of ATP that can inhibit enolase (Curran et al., 1994; Qin et al., 2006)”

    From Small Molecule Fluoride Toxicity Agonists (2015) · cites this paper as Qin et al., 2006

  • In enolase, fluoride complexes an active site Mg2+, displacing the substrate's carboxylate group.

    “In enolase, the enzyme that catalyzes the conversion of 2-phosphoglycerate to phosphoenolpyruvate during glycolysis, fluoride complexes an active site Mg2+, displacing the substrate’s carboxylate group(19–22) (Figure 2b).”

    From Membrane exporters of fluoride ion (2021) · cites this paper as [19]

  • Essential enzymes inhibited by fluoride include pyrophosphatase, proton translocating ATPases, and enolase.

    “Essential enzymes shown to be inhibited by fluoride include pyrophosphatase (Baykov et al., 2000), proton translocating ATPases (Sutton et al., 1987; Sturr and Marquis, 1990) and enolase (Qin et al., 2006) (Fig. 5).”
  • Enolase is inhibited by fluoride with a Ki value of ~80 μM.

    “Enolase (which converts 2-phosphoglycerate to phosphoenolpyruvate, or PEP) is inhibited by fluoride with a Ki value of ~80 μM100.”

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Research works printed but not linked: 34

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  34. Abbreviations PGA, phosphoenolpyruvate

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Metadata

Authors
Qin, J., Chai, G., Brewer, J. M., Lovelace, L. L., & Lebioda, L.
Venue
Biochemistry
Published
2005-12-22
Volume
45
Issue
3
Pages
793-800
ISSN
  • 0006-2960
  • 1520-4995
Cited by
97
References
0
Language
en

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