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The calmodulin fraction responsible for contraction in an intestinal smooth muscle
Author(s) -
Rüegg J.C.,
Pfitzer G.,
Zimmer M.,
Hofmann F.
Publication year - 1984
Publication title -
febs letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.593
H-Index - 257
eISSN - 1873-3468
pISSN - 0014-5793
DOI - 10.1016/0014-5793(84)81349-6
Subject(s) - calmodulin , contraction (grammar) , taenia coli , smooth muscle , intracellular , muscle contraction , chemistry , biophysics , biochemistry , endocrinology , biology , enzyme
Freeze‐dried fibers of smooth muscle from Taenia coli were used to determine the concentration of calmodulin responsible for contraction. About 10% of the total intracellular calmodulin (12.6 μmol/kg wet wt) is directly involved in initiation of smooth muscle contraction.