N W Ikebuchi

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Lipocortin-85 (L-85, calpactin-I/lipocortin-II heterotetramer) binds to F-actin in the presence of calcium with high affinity and in a cooperative manner. Quantitative analysis of binding curves indicate an apparent Kd (L-85) of 0.226 microM +/- 0.153 (2 S.D., n = 3), a stoichiometry of L-85/actin of 1:1.9 and a Hill coefficient of 1.37 +/- 0.14 (2 S.D., n(More)
Calcium-dependent association with a detergent-extracted particulate fraction was used as the first step in the purification of a group of phospholipid binding proteins. Elution of the detergent-insoluble fraction with excess ethylene glycol bis(beta-aminoethyl ether)-N,N,N',N'-tetraacetic acid (EGTA) resulted in the release of several soluble proteins,(More)
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