(= VO43-)
Powerful inhibitor of many, but not all enzymes that cleave the terminal phosphate bond of ATP. The vanadate ion is believed to act as an analogue of the transition state of the cleavage reaction. Dynein is very sensitive to inhibition by vanadate, whereas kinesin is relatively insensitive. Similarly tyrosine kinases are sensitive to vanadate, but threonine/serine protein kinases are insensitive.

Dictionary of molecular biology. 2004.

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  • Vanadate — Van a*date, n. [Cf. F. vanadate.] (Chem.) A salt of vanadic acid. [Formerly also {vanadiate}.] [1913 Webster] …   The Collaborative International Dictionary of English

  • vanadate — [vanadat] n. m. ÉTYM. V. 1830; de vanad(ium), et ate. ❖ ♦ Chim. Sel simple ou complexe dérivé d un acide vanadique. || « Du vanadate de plomb qui constitue le principal minerai de vanadium » (Rev. gén. des sc., 30 juin 1904, no 12, p. 616) …   Encyclopédie Universelle

  • Vanadate —   [v ], Singular Vanadat das, (e)s, Vanadiumverbindungen …   Universal-Lexikon

  • vanadate — [van′ə dāt΄] n. a salt or ester of vanadic acid …   English World dictionary

  • Vanadate — Struktur der Orthovanadiumsäure H3VO4 Vanadate sind die Salze der in freier Form nicht existenten Vanadium Säuren HxVyOz. Die Vanadate selbst sind in wässriger Lösung stabil, wobei die auftretenden Formen vom pH Wert der Lösung abhängen. Einige… …   Deutsch Wikipedia

  • Vanadate — In chemistry a vanadate is a compound containing an oxoanion of vanadium generally in its highest oxidation state of +5. The simplest vanadate ion is the tetrahedral, orthovanadate, VO43− anion, which is present in e.g. sodium orthovanadate and… …   Wikipedia

  • Vanadate — Ion vanadate En chimie, un vanadate est un composé comportant l oxoanion du vanadium en général à son degré d oxydation le plus élevé, +5. Le plus simple élément de cette famille est l ion tétraédrique vanadate ou orthovanadate, l anion VO43−,… …   Wikipédia en Français

  • vanadate mineral —        Vanadate minerals Vanadate minerals any of the many naturally occurring compounds of vanadium (V), oxygen (O), and various metals; most of these minerals are rare, having crystallized under very restricted conditions. Although vanadinite… …   Universalium

  • Vanadate d'ammonium — Général Synonymes monovanadate d ammonium No CAS …   Wikipédia en Français

  • Vanadate minerals — ▪ Table Vanadate minerals name colour lustre Mohs hardness specific gravity carnotite bright yellow to lemon or greenish yellow dull or earthy soft 4–5 descloizite brownish red to blackish brown; various shades from orange red to black and green… …   Universalium

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