Dictionary » P » Phosphorylation



noun, plural: phosphorylations

The transferring of phosphoryl group from a donor to the recipient molecule


Phosphorylation is important in living cells since it is through this that energy-rich molecules (e.g. ATPs) are formed. For instance, a phosphoryl group (phosphate) is added to ADP, thus forming ATP, usually catalysed by phosphorylases and kinases.


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Re: Types of phosphorylation ?

Substrate level phosphorylation takes place inside the mitochondria during glycolosis and the Krebs cycle. Oxidative phosphorylation takes place in the membranes of the mitochondria during the electron transport chain. Photo phosphorylation ...

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by cash
Sun Nov 03, 2013 3:55 am
Forum: Cell Biology
Topic: Types of phosphorylation ?
Replies: 5
Views: 9263

Protein synthesis during S phase

... is active during replication. I was guessing the inactivation of all other protein synthesis had something to do with CDK/cyclin levels, some phosphorylation, or something to do with steric impedement at the origin of replication. Still, that doesn't explain the histone part...

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by yuriw
Wed Sep 25, 2013 4:14 pm
Forum: Cell Biology
Topic: Protein synthesis during S phase
Replies: 3
Views: 1953

Fail to see under physiological stimulation

activate Src in sense of expression or phosphorylation? Can you check the Src is expressed in the first place?

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by JackBean
Tue Aug 27, 2013 9:36 am
Forum: Cell Biology
Topic: Fail to see under physiological stimulation
Replies: 6
Views: 1672

Fail to see under physiological stimulation

... of growth factor that is known to activate endogenous Src. I had tried looking at both GFP-tagged exogenous or endogenous but all fail to see the phosphorylation of my protein evoked by PDGF.

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by kingsupercat
Mon Aug 26, 2013 2:37 am
Forum: Cell Biology
Topic: Fail to see under physiological stimulation
Replies: 6
Views: 1672

Re: NADH and FADH2

i m gonna answer victor's question.. actually each NADH produced in glycolysis....produces 2 instead of 3ATPs...and it is called substrate level phosphorylation...because oxygen is not involved in it....hence the 2NADHs produced in glycolysis produces 4 ATPs...and i think total ATPs produced in ...

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by neutron55
Thu Jul 11, 2013 1:35 am
Forum: Molecular Biology
Topic: NADH and FADH2
Replies: 19
Views: 46324
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