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The myofibril as a model for muscle fiber ATPase.
Lionne C, Herrmann C, Travers F, Barman T. Lionne C, et al. Biophys J. 1995 Apr;68(4 Suppl):217S. Biophys J. 1995. PMID: 7787073 Free PMC article. No abstract available.
ATPase and shortening rates in frog fast skeletal myofibrils by time-resolved measurements of protein-bound and free Pi.
Barman T, Brune M, Lionne C, Piroddi N, Poggesi C, Stehle R, Tesi C, Travers F, Webb MR. Barman T, et al. Among authors: lionne c. Biophys J. 1998 Jun;74(6):3120-30. doi: 10.1016/S0006-3495(98)78018-X. Biophys J. 1998. PMID: 9635765 Free PMC article.
Shortening and ATPase rates were measured in Ca2+-activated myofibrils from frog fast muscles in unloaded conditions at 4 degrees C. ATPase rates were determined using the phosphate-binding protein method (free phosphate) and quench flow (total phosphate). Shortening rates …
Shortening and ATPase rates were measured in Ca2+-activated myofibrils from frog fast muscles in unloaded conditions at 4 degrees C. …
Cryoenzymic studies on an organized system: myofibrillar ATPases and shortening.
Lionne C, Stehle R, Travers F, Barman T. Lionne C, et al. Biochemistry. 1999 Jun 29;38(26):8512-20. doi: 10.1021/bi9901127. Biochemistry. 1999. PMID: 10387098
In this cryosolvent, the myofibrillar ATPase is not activated by Ca2+ nor is there shortening, except under special conditions, i.e., Ca2+ plus strong rigor bridges [Stehle, R., Lionne, C., Travers, F., and Barman, T. (1998) J. Muscl. Res. Cell Motil. 19, 381-392]. …
In this cryosolvent, the myofibrillar ATPase is not activated by Ca2+ nor is there shortening, except under special conditions, i.e., Ca2+ p …
Evidence that phosphate release is the rate-limiting step on the overall ATPase of psoas myofibrils prevented from shortening by chemical cross-linking.
Lionne C, Iorga B, Candau R, Piroddi N, Webb MR, Belus A, Travers F, Barman T. Lionne C, et al. Biochemistry. 2002 Nov 5;41(44):13297-308. doi: 10.1021/bi0260278. Biochemistry. 2002. PMID: 12403632
With relaxed or rapidly shortening myofibrils, P(i) release is rate-limiting and (A)M.ADP.P(i) states accumulate in the steady state [Lionne, C., et al. (1995) FEBS Lett. 364, 59]. We have now studied the kinetics of P(i) release with chemically cross-linked myofibr …
With relaxed or rapidly shortening myofibrils, P(i) release is rate-limiting and (A)M.ADP.P(i) states accumulate in the steady state [Lio …
55 results