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J Bacteriol. 1972 September; 111(3): 835-837
Copyright © 1972 American Society for Microbiology. All Rights Reserved.
1 Department of Microbiology, Washington University, St. Louis, Missouri 63110, and Department of Developmental Biology and Cancer, Albert Einstein College of Medicine, Bronx, New York 10461
ABSTRACT
A mutant strain of Escherichia coli previously thought to possess low levels of ribonuclease II activity has normal levels of ribonuclease II after partial purification of this enzyme from crude extracts.
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