Cross-linking study on skeletal muscle actin: interaction of suberimidate-treated actin with deoxyribonuclease I.

Cross-linking study on skeletal muscle actin: interaction of suberimidate-treated actin with deoxyribonuclease I. Research Abstract Details 

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Cross-linking study on skeletal muscle actin: interaction of suberimidate-treated actin with deoxyribonuclease I. Abstract Text:

O Ohara,S Takahashi,T Ooi,

We have recently reported that actin modified with dimethyl suberimidate takes a filamentous form even under depolymerizing conditions, and this phenomenon is accounted for by the conformational fixation caused by the introduction of an intramolecular cross-link (Ohara, O., Takahashi, S., Ooi, T., & Fujiyoshi, Y. (1982) J. Biochem. 91, 1999-2012). The suberimidate-treated actin (SA) is not immediately depolymerized by deoxyribonuclease I (DNase I) but is depolymerized after incubation for one day, i.e., depolymerization is much slower than that for intact F-actin. The results on circular dichroic spectra of a mixture of SA and DNase I suggest that DNase I flips the conformation of SA into a G-actin-like state from the F-actin-like one when a tight SA-DNase I complex is formed. The suberimidate cross-link introduced in an SA molecule does not completely prevent the conformational change from the F-state to the G-state but stabilizes the actin conformation very greatly in the F-state.

Cross-linking study on skeletal muscle actin: interaction of suberimidate-treated actin with deoxyribonuclease I. Publishing Authors By Initials

O Ohara,S Takahashi,T Ooi,

For similar animals: chordata: vertebrates: mammals: lagomorpha: rabbits research abstracts see: animals: chordata: vertebrates: mammals: lagomorpha: rabbits research

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Cross-linking study on skeletal muscle actin: interaction of suberimidate-treated actin with deoxyribonuclease I. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Journal of biochemistry

VOLUME: 93

Page Numbers: 1547-56

Journal Abbreviation: J. Biochem.

ISSN: 0021-924X

DAY: 19

MONTH: Jun

YEAR: 1983

Cross-linking study on skeletal muscle actin: interaction of suberimidate-treated actin with deoxyribonuclease I. Information

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LANGUAGE: eng

NlmUniqueID: 376600

Cross-linking study on skeletal muscle actin: interaction of suberimidate-treated actin with deoxyribonuclease I. Keywords Mesh Terms:

KEYWORDS: Rabbits

MESH TERMS: metabolism

Chemical & Substance for Abstract: Cross-linking study on skeletal muscle actin: interaction of suberimidate-treated actin with deoxyribonuclease I. Information

Substance Name: Deoxyribonucleases

Registry Number: EC 3.1.-

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Country: JAPAN

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MEDLINETA: J Biochem

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