1950
DOI: 10.1515/znb-1950-0201
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Aktomyosin und seine Komponenten, I. Mitt.

Abstract: 1. Es ist möglich, aus Myosinextrakten reines L-Myosin und reine Aktomyosinpräparate zu erhalten, wenn durch eine Ausfällung der gesamten Myosinfraktion zunächst Fremdeiweiße und ATP entfernt werden. Aus der Lösung des Myosinniederschlages fallen dann die Aktomyosine zusammen mit dem Hauptteil der Denaturierungsprodukte zwischen pH 6 und 7 bei einer Ionenstärke ∼ 0,3 µ aus. Aus dem Überstand kann das L-Myosin bei 0,03 µ gefällt werden.2. Die Denaturierungsprodukte lassen sich dann aus der reinen L-Myosinlösung… Show more

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Cited by 206 publications
(36 citation statements)
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“…1 in Bardny, Tucci & Conover, 1966). The myosin solutions were further purified by dilution to 0 3 mKCl, pH 6 5 (Portzehl, Schramm & Weber, 1950), the small amount of precipitate formed (actomyosin) was removed by centrifugation at 37,000g, and the supernatant (pure myosin) was concentrated by dialysis against 150 vol. of the solution containing 0-01 M-KC1, -0 mm Tris-HCl, and 0 5 mm cysteine, at 40 C. The myosin precipitate was collected and dissolved in 0-6 M-KC1.…”
Section: Physiological Methodsmentioning
confidence: 99%
“…1 in Bardny, Tucci & Conover, 1966). The myosin solutions were further purified by dilution to 0 3 mKCl, pH 6 5 (Portzehl, Schramm & Weber, 1950), the small amount of precipitate formed (actomyosin) was removed by centrifugation at 37,000g, and the supernatant (pure myosin) was concentrated by dialysis against 150 vol. of the solution containing 0-01 M-KC1, -0 mm Tris-HCl, and 0 5 mm cysteine, at 40 C. The myosin precipitate was collected and dissolved in 0-6 M-KC1.…”
Section: Physiological Methodsmentioning
confidence: 99%
“…Myosin readily undergoes spontaneous aggregation (31,32), and some of the early studies were presumably on preparations con- …”
Section: Molecularmentioning
confidence: 99%
“…I956 be compared with that of about 0-3 given by Portzehl et al (1950) for actomyosin from skeletal muscle under similar conditions; these authors give values up to 165 for the percentage ATP sensitivity of actomyosin from skeletal muscle.…”
mentioning
confidence: 93%
“…This was made by a method based on those described by Bailey (1942), Szent-Gy6rgyi (1951), Portzehl, Schramm & Weber (1950) and Hasselbach & Schneider (1950-51) for the preparation of myosin B. Pregnant uterus was used in all cases; pig material for preparation I was taken after 40 days' pregnancy; for preparations II and III after 30 days.…”
mentioning
confidence: 99%