无机焦磷酸酶(英語:Inorganic Pyrophosphatase,简称为焦磷酸酶)是一种催化一分子焦磷酸盐转化为两分子磷酸盐离子的酶[1]。这是一个高放能的反应,因此此反应可偶联到一些热力学上不利的转化,以便驱动这些转化进行到完全[2]。此酶的功能乃是在脂代谢(包括脂合成与降解)、钙吸收以及骨形成[3][4]和DNA合成[5]中扮演重要角色,其他生物化学转化也是如此[6][7]。
- ^ Harold FM. Inorganic polyphosphates in biology: structure, metabolism, and function. Bacteriol Rev. December 1966, 30 (4): 772–94. PMC 441015
. PMID 5342521. - ^ Terkeltaub RA. Inorganic pyrophosphate generation and disposition in pathophysiology. Am. J. Physiol., Cell Physiol. July 2001, 281 (1): C1–C11. PMID 11401820.
- ^ Orimo H, Ohata M, Fujita T. Role of inorganic pyrophosphatase in the mechanism of action of parathyroid hormone and calcitonin. Endocrinology. September 1971, 89 (3): 852–8. PMID 4327778. doi:10.1210/endo-89-3-852.
- ^ Poole KE, Reeve J. Parathyroid hormone - a bone anabolic and catabolic agent. Curr Opin Pharmacol. December 2005, 5 (6): 612–7. PMID 16181808. doi:10.1016/j.coph.2005.07.004.
- ^ Nelson, David L.; Cox, Michael M. Lehninger Principles of Biochemistry, 3rd ed.. New York: Worth Publishers. 2000: 937. ISBN 1-57259-153-6.
- ^ Ko KM, Lee W, Yu JR, Ahnn J. PYP-1, inorganic pyrophosphatase, is required for larval development and intestinal function in C. elegans. FEBS Lett. November 2007, 581 (28): 5445–53. PMID 17981157. doi:10.1016/j.febslet.2007.10.047.
- ^ Usui Y, Uematsu T, Uchihashi T; et al. Inorganic polyphosphate induces osteoblastic differentiation. J. Dent. Res. May 2010, 89 (5): 504–9. PMID 20332330. doi:10.1177/0022034510363096.