The Velocity of Calcium Binding of Isolated Sarcoplasmic Reticulum
1964 年 55 巻 6 号 p. 599-603
詳細
1964 年 55 巻 6 号 p. 599-603
The velocity of Ca binding of isolated sarcoplasmic reticulum was measured by a combination of the rapid flow technique and the double-beam spectrophotometry. It was found that 1.3mg. per ml. of vesicles bind 5×10-5M Ca ions within 30 msec. at 20°C in the presence of ATP. On the basis of this result the role of Ca ions in the contraction-relaxation cycle was discussed.
