ExplorEnz: EC 3.1.4.53

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3.1.4.53

Accepted name:

3′,5′-cyclic-AMP phosphodiesterase

Reaction:

adenosine 3′,5′-cyclic phosphate + H₂O = AMP

Glossary:

AMP = adenosine 5′-phosphate

Other name(s):

cAMP-specific phosphodiesterase; cAMP-specific PDE; PDE1; PDE2A; PDE2B; PDE4; PDE7; PDE8; PDEB1; PDEB2

Systematic name:

3′,5′-cyclic-AMP 5′-nucleotidohydrolase

Comments:

Requires Mg²⁺ or Mn²⁺ for activity [2]. This enzyme is specific for 3′,5′-cAMP and does not hydrolyse other nucleoside 3′,5′-cyclic phosphates such as cGMP (cf. EC 3.1.4.17, 3,5-cyclic-nucleotide phosphodiesterase and EC 3.1.4.35, 3,5-cyclic-GMP phosphodiesterase). It is involved in modulation of the levels of cAMP, which is a mediator in the processes of cell transformation and proliferation [3].

Links to other databases:

BRENDA, EXPASY, KEGG, MetaCyc, PDB

References:

1.	Alonso, G.D., Schoijet, A.C., Torres, H.N. and Flawiá, M.M. TcPDE4, a novel membrane-associated cAMP-specific phosphodiesterase from Trypanosoma cruzi. Mol. Biochem. Parasitol. 145 (2006) 40–49. [DOI] [PMID: 16225937]
2.	Bader, S., Kortholt, A., Snippe, H. and Van Haastert, P.J. DdPDE4, a novel cAMP-specific phosphodiesterase at the surface of Dictyostelium cells. J. Biol. Chem. 281 (2006) 20018–20026. [DOI] [PMID: 16644729]
3.	Rascón, A., Soderling, S.H., Schaefer, J.B. and Beavo, J.A. Cloning and characterization of a cAMP-specific phosphodiesterase (TbPDE2B) from Trypanosoma brucei. Proc. Natl. Acad. Sci. USA 99 (2002) 4714–4719. [DOI] [PMID: 11930017]
4.	Johner, A., Kunz, S., Linder, M., Shakur, Y. and Seebeck, T. Cyclic nucleotide specific phosphodiesterases of Leishmania major. BMC Microbiol. 6:25 (2006). [DOI] [PMID: 16522215]
5.	Lugnier, C., Keravis, T., Le Bec, A., Pauvert, O., Proteau, S. and Rousseau, E. Characterization of cyclic nucleotide phosphodiesterase isoforms associated to isolated cardiac nuclei. Biochim. Biophys. Acta 1472 (1999) 431–446. [DOI] [PMID: 10564757]
6.	Imamura, R., Yamanaka, K., Ogura, T., Hiraga, S., Fujita, N., Ishihama, A. and Niki, H. Identification of the cpdA gene encoding cyclic 3′,5′-adenosine monophosphate phosphodiesterase in Escherichia coli. J. Biol. Chem. 271 (1996) 25423–25429. [DOI] [PMID: 8810311]

[EC 3.1.4.53 created 2008, modified 2011]