phosphocreatine

phosphocreatine
A phosphagen; a compound of creatine (through its NH2 group) with phosphoric acid; a source of energy in the contraction of vertebrate muscle, its breakdown furnishing phosphate for the resynthesis of ATP from ADP by creatine kinase. Cf.:phosphoarginine. SYN: creatine phosphate, Nω-phosphonocreatine.

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phos·pho·cre·atine .fäs-(.)fō-'krē-ə-.tēn n a compound C4H10N3O5P of creatine and phosphoric acid that is found esp. in vertebrate muscle where it is an energy source for muscle contraction called also creatine phosphate

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n.
creatine phosphate (see creatine).

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phos·pho·cre·a·tine (PC) (fos″fo-kreґə-tin) the phosphagen of vertebrates, a substituted derivative of phosphoguanidine. It is an important storage form of high-energy phosphate, the energy source for muscle contraction; as ATP levels diminish with muscular exertion, the phosphoryl group of phosphocreatine can be donated to ADP to replenish ATP.

Medical dictionary. 2011.

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Look at other dictionaries:

  • Phosphocreatine — Phosphocreatine …   Wikipedia

  • Phosphocreatine — Phosphocréatine Phosphocréatine Général No CAS …   Wikipédia en Français

  • Phosphocréatine — Général No CAS …   Wikipédia en Français

  • phosphocréatine — ● phosphocréatine nom féminin Synonyme de phosphagène. ● phosphocréatine (synonymes) nom féminin Synonymes : phosphagène phosphocréatine [fɔsfokʀeatin] n. f. ÉTYM. 1949, phospho créatine, → Phosphorolyse, cit.; de phospho , et créatine …   Encyclopédie Universelle

  • phosphocreatine — [fäs΄fō krē′ə tēn΄, fäs΄fō krē′ətin] n. [ PHOSPHO + CREATINE] a compound, C4H10N3O5P, in vertebrate muscle, derived from creatine and used as a backup energy source because it reacts with ADP to replenish the ATP and creatine used in muscle… …   English World dictionary

  • phosphocreatine — fosfokreatinas statusas T sritis chemija apibrėžtis Fosfagenas. formulė (HO)₂(O=)PNHC(=NH)N(CH₃)CH₂COOH atitikmenys: angl. phosphocreatine rus. фосфокреатин …   Chemijos terminų aiškinamasis žodynas

  • phosphocreatine — noun Etymology: International Scientific Vocabulary Date: 1927 a compound C4H10N3O5P of creatine and phosphoric acid that is found especially in vertebrate muscle where it is an energy source for muscle contraction …   New Collegiate Dictionary

  • phosphocreatine — (= creatine phosphate) Present in high concentration (about 20mM) in striated muscle, and is synthesized and broken down by creatine phosphokinase to buffer ATP concentration. It acts as an immediate energy reserve for muscle …   Dictionary of molecular biology

  • phosphocreatine — /fos foh kree euh teen , tin/, n. Biochem. a compound, C4H10O5N3P, found chiefly in muscle, formed by the enzymatic interaction of an organic phosphate and creatine, the breakdown of which provides energy for muscle contraction. Also called… …   Universalium

  • phosphocreatine — noun A phosphorylated derivative of creatine that is used in muscles to store chemical energy Syn: creatine phosphate …   Wiktionary

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