Cyclic adenosine monophosphate

Cyclic guanosine monophosphate

A cyclic nucleotide is any nucleotide in which the phosphate group is bonded to two of the sugar's hydroxyl groups, forming a cyclical or ring structure.

These include:

• cyclic AMP
• cyclic GMP
• cyclic ADP-ribose

These function as second messengers associated with G proteins and Calcium signaling.

[edit] External links

• MeSH Nucleotides,+Cyclic

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