has role is deprotonated form of independent continuant vanadium oxoanion hydrogenvanadate EC 3.1.3.48 (protein-tyrosine-phosphatase) inhibitor EC 3.1.3.16 (phosphoprotein phosphatase) inhibitor vanadate(3-) A vanadium oxoanion that is a trianion with formula VO<small>₄</small> in which the vanadium is in the +5 oxidation state and is attached to four oxygen atoms. CHEBI:46442 EC 3.1.3.1 (alkaline phosphatase) inhibitor EC 3.1.3.41 (4-nitrophenylphosphatase) inhibitor trivalent inorganic anion