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Publicação
Vanadate oligomers interactions with myosin
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Resumo(s)
‘Monovanadate’containingamixtureofatleastfourdifferentvanadatespeciesand‘decavanadate’containingapparentlyonlytwovanadate
species, mainly decameric species, inhibit myosin and actomyosin ATPase activities. The addition of myosin to ‘monovanadate’ and
‘decavanadate’solutionspromotesdifferentialincreasesonthe 51VNMRspectrallinewidthsofvanadateoligomers.Therelativeorderofline
broadening upon myosin addition, reflecting the interaction of the vanadate oligomers with the protein, wasV10)V4)V1s1,whereas no
changes were observed for monomeric vanadate species.It is concluded that decameric and tetrameric vanadate species interact quite potently with the protein and affect myosin as well actomyosin ATPase activities.
Descrição
Palavras-chave
Vanadate Myosin
Contexto Educativo
Citação
Editora
Elsevier