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The Inhibition of Bovine and Rat Parotid Deoxyribonuclease I by Skeletal Muscle Actin. A Biochemical and Immunocytochemical Study

The Inhibition of Bovine and Rat Parotid Deoxyribonuclease I by Skeletal Muscle Actin. A Biochemical and Immunocytochemical Study

H G Mannherz, V Kreuder, J Koch, J Dieckhoff, D Drenckhahn

Biochem J. 1982 Nov 1;207(2):305-13.

PMID: 6297457

Abstract:

Rat and bovine parotid gland and pancreas contain deoxyribonuclease I (DNAase I) activities in different amounts. The DNAase I activity in tissue homogenates of bovine and rat parotid gland can be inhibited by addition of monomeric actin, as with the enzyme of bovine pancreas. The isolated DNAase I species from bovine and rat parotid gland differ in their molecular weights and also in their affinities for monomeric actin, being lowest for rat parotid DNAase I (5 X 10(6)M(-1). Antibodies raised against rat and bovine parotid and bovine pancreatic DNAase I can be used to study the subcellular localization of DNAase I in these tissues by indirect immunofluorescence. DNAase I was found to be confined solely to the secretory granules of the tissue from which it was isolated.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP9003989-A	Deoxyribonuclease I from bovine pancreas		9003-98-9	Price

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