kinase and phosphorylase

[niktacal82]

I kinda forgot the difference between kinase and phosphorylase? ( damn it mcb 102 class)

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[klutzy1987]

kinase attaches a phosphate group while pfophorylase cleaves a phosphodiesterbond.

 

[niktacal82]

I thought phosphatase catalyzes the cleavage of a phosphate ester bond not phosphorylase?

 

[wifi08]

in case you meant the difference between kinase and phosphatase which actually have somthing in common,
the difference is kinase attaches a phosphate group while phosphatase removes the phosphate group
these are very important in glucagon formation and regulation

 

[niktacal82]

oh no i meant kinase and phosphorylase not kinase and PHOSPHATASE..

 

[klutzy1987]

phosphorylases are enzymes that catalyze the addition of a phosphate group from an inorganic phosphate (phosphate+hydrogen) to an acceptor, while a kinase transfers a phosphate group from a donor (usually ATP) to an acceptor. I misread before, I thought it said phosphatase.

 

[niktacal82]

got it! thanks