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悬浮状态下鲎横纹肌经木瓜蛋白酶处理后的粗肌丝的动态激光光散射

Dynamic laser light scattering of papain-treated thick filaments from limulus striated muscle in suspension.

作者信息

Fan S F, Dewey M M, Colflesh D, Brink P, Chu B

出版信息

Adv Exp Med Biol. 1984;170:89-92. doi: 10.1007/978-1-4684-4703-3_8.

DOI:10.1007/978-1-4684-4703-3_8
PMID:6741723
Abstract

Using quasielastic light scattering we have previously shown an increase in high frequency internal motion of isolated thick filament upon activation. This we have attributed to cross-bridge motion. Here we show that after cleavage of the S1 moiety of myosin from isolated filaments with papain, calcium ions no longer activate the isolated filaments to produce high-frequency motions.

摘要

我们先前利用准弹性光散射表明，激活后分离出的粗肌丝的高频内部运动增强。我们将此归因于横桥运动。在此我们表明，用木瓜蛋白酶从分离出的肌丝上切割掉肌球蛋白的S1部分后，钙离子不再激活分离出的肌丝以产生高频运动。

相似文献

1
Dynamic laser light scattering of papain-treated thick filaments from limulus striated muscle in suspension.悬浮状态下鲎横纹肌经木瓜蛋白酶处理后的粗肌丝的动态激光光散射
Adv Exp Med Biol. 1984;170:89-92. doi: 10.1007/978-1-4684-4703-3_8.
2
The active cross-bridge motions of isolated thick filaments from myosin-regulated muscles detected by quasi-elastic light scattering.通过准弹性光散射检测到的来自肌球蛋白调节型肌肉的分离粗肌丝的活性横桥运动。
Biophys J. 1985 Jun;47(6):809-21. doi: 10.1016/S0006-3495(85)83985-0.
3
Effect of ATP depletion on the isolated thick filament of limulus striated muscle.ATP 耗竭对鲎横纹肌分离粗肌丝的影响。
Biophys J. 1987 Nov;52(5):859-66. doi: 10.1016/S0006-3495(87)83279-4.
4
Dynamic laser light scattering studies of the effects of pyrophosphate on cyclic motions of cross-bridges in isolated thick myofilaments from Limulus striated muscle.焦磷酸对鲎横纹肌离体粗肌丝中横桥循环运动影响的动态激光光散射研究。
Experientia. 1994 Sep 15;50(9):837-9. doi: 10.1007/BF01956466.
5
Limulus striated muscle provides an unusual model for muscle contraction.鲎的横纹肌为肌肉收缩提供了一个不同寻常的模型。
Adv Exp Med Biol. 1984;170:67-87. doi: 10.1007/978-1-4684-4703-3_7.
6
Seasonal changes in the activation of crossbridge motions of isolated thick filament from Limulus striated muscle.鲎横纹肌分离粗肌丝横桥运动激活的季节性变化。
J Comp Physiol B. 1992;162(6):508-12. doi: 10.1007/BF00264810.
7
Change in fixed-charge in the thick filament lattice of Limulus striated muscle with sarcomere shortening.鲎横纹肌粗肌丝晶格中固定电荷随肌节缩短的变化。
Adv Exp Med Biol. 1984;170:353-7. doi: 10.1007/978-1-4684-4703-3_30.
8
Suppression of crossbridge motions of isolated thick myofilaments in ATP-free medium by thiourea.在无ATP培养基中，硫脲对分离出的粗肌丝横桥运动的抑制作用。
Biochem Biophys Res Commun. 1992 Jul 15;186(1):321-6. doi: 10.1016/s0006-291x(05)80810-1.
9
Suppression of active cross-bridge motions of isolated thick myofilaments in suspension by phenylmethylsulfonyl fluoride.苯甲基磺酰氟对悬浮状态下分离出的粗肌丝活性横桥运动的抑制作用。
Biochim Biophys Acta. 1985 Jan 21;827(1):101-5. doi: 10.1016/0167-4838(85)90105-0.
10
Cross-linking studies related to the location of the rigor compliance in glycerinated rabbit psoas fibers: is the SII portion of the cross-bridge compliant?与甘油处理的兔腰大肌纤维中强直顺应性位置相关的交联研究：横桥的SII部分是否具有顺应性？
Adv Exp Med Biol. 1984;170:385-96. doi: 10.1007/978-1-4684-4703-3_35.

引用本文的文献

1
The flexibility of isolated limulus thick filaments in relaxed and activated States.分离的鲎粗肌丝在松弛和激活状态下的柔韧性。
Biophys J. 1985 Nov;48(5):859-61. doi: 10.1016/S0006-3495(85)83846-7.
2
Effect of ATP depletion on the isolated thick filament of limulus striated muscle.ATP 耗竭对鲎横纹肌分离粗肌丝的影响。
Biophys J. 1987 Nov;52(5):859-66. doi: 10.1016/S0006-3495(87)83279-4.
3
Seasonal changes in the activation of crossbridge motions of isolated thick filament from Limulus striated muscle.鲎横纹肌分离粗肌丝横桥运动激活的季节性变化。
J Comp Physiol B. 1992;162(6):508-12. doi: 10.1007/BF00264810.