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The Regulation of Myofibrillar Activity by Calcium [and Discussion]

✍ Scribed by Weber, A.; Herz, R.; Reiss, I.; Huxley, H. E.; Hill, A. V.; Endo, M.; Needham, D. M.

Book ID
120131709
Publisher
The Royal Society
Year
1964
Tongue
English
Weight
679 KB
Volume
160
Category
Article
ISSN
0080-4649

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πŸ“œ SIMILAR VOLUMES

Calcium regulation of cardiac myofibrill
Calcium regulation of cardiac myofibrillar activation: Effects of MgATP
✍ Solaro, R. John πŸ“‚ Article πŸ“… 1975 πŸ› Wiley (John Wiley & Sons) 🌐 English βš– 398 KB

## Abstract In 2 mM MgATP, 0.08 ionic strength and 1 mM free Mg^++^ cardiac myofibrils bound 3.5 nmoles Ca/mg protein at maximal ATPase activation. Significant amounts of Ca were also bound to cardiac myosin with these same conditions. By subtraction of this myosin‐bound Ca we obtained an estimate