Protein Kinase A: Difference between revisions
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==Your Heading Here (maybe something like ' | ==Your Heading Here (maybe something like 'Protein kinase A (PKA)')== | ||
<StructureSection load='1atp' size='340' side='right' caption='Protein kinase A (PKA)' scene=''> | <StructureSection load='1atp' size='340' side='right' caption='Protein kinase A (PKA)' scene=''> | ||
'''Protein kinase A (PKA)''' is a group of enzymes whose activity is dependent on the concentration of cAMP, and is also known as cAMP-dependent protein kinase. | '''Protein kinase A (PKA)''' is a group of enzymes whose activity is dependent on the concentration of cAMP, and is also known as cAMP-dependent protein kinase. | ||
== Function == | == Function == | ||
Protein kinase A is Protein Kinase A (PKA) helps animals cope with stressful situations. In the "flight or fight" response, muscles become ready for action as a result of the activity of PKA. Upon activation by cAMP, PKA alters the activities of target proteins by phopshorylating specific serine or threonine residues. This enzyme also helps regulate glucose levels. When activated by cAMP, PKA simultaneously catalyzes the breakdown of glycogen and inhibits the synthesis of glucose. PKA also helps regulate glycogen levels, sugar levels, and lipid metabolism. | Protein kinase A is Protein Kinase A (PKA) helps animals cope with stressful situations. In the "flight or fight" response, muscles become ready for action as a result of the activity of PKA. Upon activation by cAMP, PKA alters the activities of target proteins by phopshorylating specific serine or threonine residues. This enzyme also helps regulate glucose levels. When activated by cAMP, PKA simultaneously catalyzes the breakdown of glycogen and inhibits the synthesis of glucose. PKA also helps regulate glycogen levels, sugar levels, and lipid metabolism. | ||