doi: 10.1159/000458986.
A 3'-deoxymononucleotide-producing nuclease from the marine sponge Verongia aerophoba. I. Purification
- PMID: 165933
- DOI: 10.1159/000458986
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A 3'-deoxymononucleotide-producing nuclease from the marine sponge Verongia aerophoba. I. Purification
Enzyme.
1975.
Abstract
A four-step procedure for purification of a nuclease from the keratinous sponge Verongia aerophoba is described. The extracted material is lyophilized, acidified, and subjected to chromatography on Sephadex, hydroxyapatite, and phosphocellulose. The nuclease is purified about 1,000-fold from the crude extract and approximately 1,600-fold from concomitant acid RNase. Phosphodiesterase is lost after chromatography on Sephadex. The purified enzyme solution contains one single activity as determined by polyacrylamide gel electrophoresis.
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