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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
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 …
Why choose myofibrils to study muscle myosin ATPase?
Lionne C, Iorga B, Candau R, Travers F. Lionne C, et al. J Muscle Res Cell Motil. 2003;24(2-3):139-48. doi: 10.1023/a:1026045328949. J Muscle Res Cell Motil. 2003. PMID: 14609025 Review.
56 results