Metal binding to myosin and to myosin DTNB-light chain

Abstract

The effects of various divalent cations, Ca2+, Mg2+ and Mn2+ on the intrinsic fluorescence of heavy meromyosin (HMM) and myosin 5,5′-dithio-bis-(2-nitrobenzoate) DTNB-light chain of rabbit striated muscle, are compared. At pH 6.4, the fluorescence change induced by the metal ions is present only in the isolated light chain and disappears in HMM, thus… (More)
DOI: 10.1007/BF01936967

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