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J Bacteriol. 1981 February; 145(2): 953-957
ABSTRACT
Folded chromosomes were prepared as membrane-associated complexes from vegetative cells of Bacillus subtilis by stepwise sucrose gradient centrifugation. From nucleoids, a deoxyribonucleic acid-bound polypeptide with a molecular weight of 6,000 (P6) was purified by KCl-(NH4)2SO4 salting out, diethylaminoethyl cellulose column chromatography, and deoxyribonucleic acid cellulose column chromatography. The amino acid composition of polypeptide P6 was determined.
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