Thallium replaces potassium in activation of the (Na + , K + )‐atpase of rat liver plasma membranes | Zendy

Favari Liliana | Zendy; Mourelle Marisabel | Zendy

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Thallium replaces potassium in activation of the (Na + , K + )‐atpase of rat liver plasma membranes

Author(s) -

Favari Liliana,

Mourelle Marisabel

Publication year - 1985

Publication title -

journal of applied toxicology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.784

H-Index - 87

eISSN - 1099-1263

pISSN - 0260-437X

DOI - 10.1002/jat.2550050106

Subject(s) - membrane , thallium , potassium , chemistry , atpase , radiochemistry , plasma , sodium , nuclear chemistry , inorganic chemistry , biochemistry , enzyme , physics , organic chemistry , quantum mechanics

The capacity of thallium to substitute for K + in activation of (Na + , K + )‐ATPase of liver plasma membranes was studied. Our results indicate that Tl + can replace K + in the activation of the (Na + , K + )‐ATPase of liver plasma membranes. In the presence of Na + , similar activation is obtained with Tl + concentrations only 1/10 of those of K + . In all other aspects, the (Na + , K + )‐ and (Na + , Tl + )‐ATPases were found to be identical.

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