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phosphocreatine

   Also found in: Dictionary/thesaurus, Acronyms, Encyclopedia, Wikipedia 0.01 sec.
phosphocreatine /phos·pho·cre·a·tine/ (PC) (fos″fo-kre´ah-tin) the phosphagen of vertebrates, a creatine–phosphoric acid compound occurring in muscle, being an important storage form of high-energy phosphate, the energy source in muscle contraction.
phos·pho·cre·a·tine (fsf-kr-tn) or phos·pho·cre·a·tin (-tn)
n.
An organic compound found in muscle tissue and capable of storing and providing energy for muscular contraction. Also called creatine phosphate.

phosphocreatine (PC) [fos″fo-kre´ah-tin]
a compound of creatine and phosphoric acid occurring in muscle, being the most important storage form of high-energy phosphate, the energy source in muscle contraction.

phosphocreatine
a compound of creatine and phosphoric acid occurring in muscle, being an important storage form of chemical bond energy, an energy source in muscle contraction.


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The CK reaction catalysed by its mitochondrial isoenzyme MtCK in the mitochondrial intermembrane space is directed towards the synthesis of another high-energy phosphorus compound, phosphocreatine (PCr), which is liberated into the cytoplasm through the mitochondrial voltage-dependent anion selective channels (VDAC) leaving another reaction product, ADP, for further ATP resynthesis in the mitochondrial matrix.
Creatine monohydrate is converted into phosphocreatine in the muscle tissue.
The compound provides glycine to make phosphocreatine, an energy source for the central nervous system and muscles.
 
 
 
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