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Dictionary » V » Vanadate

Vanadate

Definition

noun, plural: vanadates

(chemistry)

(1) Any salt or ester of vanadic acid.

(2) Any of the corresponding anions, VO3, VO4, or V2O7, containing pentavalent vanadium.


Supplement

In biological systems vanadate is one of the predominant forms of vanadium, and is known to interfere with a wide variety of enzymes including Ca2+ ATPase and Na+/K+ ATPase.


Word origin: Latin vanadium + -ate.

See also: vanadic acid, vanadium, vanadinite.


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Na/K ATP-ase Reversal

... act on the B chain, and because there is no permease for these molecules, they cannot get inside the cell to bind with the B chain now. But about vanadate.. Ar you sure it only binds to the A portion? Because if that is so, then yes, it would be ineffective unless somehow transported inside the ...

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by MrMistery
Wed Feb 21, 2007 4:41 pm
 
Forum: Cell Biology
Topic: Na/K ATP-ase Reversal
Replies: 5
Views: 488

Na/K ATP-ase Reversal

... in Oubain (cardiac glycoside) being ineffective because it only works on the B portion (which it can't get to because it's now inside). However... Vanadate only works on the A portion (and prevents ATP phosphorylation)... so wouldn't the normal set-up of A inside and B outside be ineffective to ...

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by rogelio
Wed Feb 21, 2007 3:27 am
 
Forum: Cell Biology
Topic: Na/K ATP-ase Reversal
Replies: 5
Views: 488


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