Particulate cyclic 3′,5′-nucleotide phosphodiesterase and calmodulin of cardiac muscle

1. 1. Cyclic AMP and cyclic GMP phosphodiesterase and calmodulin were measured in purified subcellular fractions of cardiac muscle. 2. 2. Phosphodiesterase activity solubilized by sonication of the nuclear fraction yielded a major 6.6 S form which was calcium-sensitive and cyclic GMP-specific. 3. 3....

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Veröffentlicht in:International journal of biochemistry 1984, Vol.16 (5), p.483-488
Hauptverfasser: Ahluwalia, Gurpreet, Rhoads, Allen R., Lulla, Madhu
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container_issue 5
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container_title International journal of biochemistry
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creator Ahluwalia, Gurpreet
Rhoads, Allen R.
Lulla, Madhu
description 1. 1. Cyclic AMP and cyclic GMP phosphodiesterase and calmodulin were measured in purified subcellular fractions of cardiac muscle. 2. 2. Phosphodiesterase activity solubilized by sonication of the nuclear fraction yielded a major 6.6 S form which was calcium-sensitive and cyclic GMP-specific. 3. 3. Phosphodiesterase activity occurring in the nuclear fraction could be further enriched by subfractionation on sucrose density gradients in the presence of MgCl 2.
doi_str_mv 10.1016/0020-711X(84)90164-2
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Cyclic AMP and cyclic GMP phosphodiesterase and calmodulin were measured in purified subcellular fractions of cardiac muscle. 2. 2. Phosphodiesterase activity solubilized by sonication of the nuclear fraction yielded a major 6.6 S form which was calcium-sensitive and cyclic GMP-specific. 3. 3. 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Cyclic AMP and cyclic GMP phosphodiesterase and calmodulin were measured in purified subcellular fractions of cardiac muscle. 2. 2. Phosphodiesterase activity solubilized by sonication of the nuclear fraction yielded a major 6.6 S form which was calcium-sensitive and cyclic GMP-specific. 3. 3. 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Cyclic AMP and cyclic GMP phosphodiesterase and calmodulin were measured in purified subcellular fractions of cardiac muscle. 2. 2. Phosphodiesterase activity solubilized by sonication of the nuclear fraction yielded a major 6.6 S form which was calcium-sensitive and cyclic GMP-specific. 3. 3. Phosphodiesterase activity occurring in the nuclear fraction could be further enriched by subfractionation on sucrose density gradients in the presence of MgCl 2.</abstract><cop>England</cop><pub>Elsevier B.V</pub><pmid>6327416</pmid><doi>10.1016/0020-711X(84)90164-2</doi><tpages>6</tpages></addata></record>
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subjects 3',5'-Cyclic-AMP Phosphodiesterases - analysis
3',5'-Cyclic-GMP Phosphodiesterases - analysis
Animals
Calmodulin - analysis
Cattle
Cell Nucleus - analysis
Cyclic AMP - analysis
Egtazic Acid - pharmacology
Magnesium - pharmacology
Magnesium Chloride
Myocardium - analysis
Myocardium - enzymology
Potassium Chloride - pharmacology
title Particulate cyclic 3′,5′-nucleotide phosphodiesterase and calmodulin of cardiac muscle
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