Ribonucleotide reductase has been shown to be associated with the DNA-membrane complex in Escherichia coli TAU- cells. The membrane-bound enzyme has been released in a soluble form using a combined treatment of 1% sarcosyl (pH 8.0) and 1% sodium deoxycholate (pH 6.5). Allotropic differences in the modulatory effects of ATP, Mg2+, EDTA and dithiothreitol on the membrane-bound and solubilized enzyme activity are discussed.
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| http://dx.doi.org/10.1016/0005-2744(79)90118-9 | DOI Listing |
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