ExplorEnz: EC 3.5.4.4

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3.5.4.4

Accepted name:

adenosine deaminase

Reaction:

(1) adenosine + H₂O = inosine + NH₃
(2) 2′-deoxyadenosine + H₂O = 2′-deoxyinosine + NH₃

Other name(s):

deoxyadenosine deaminase

Systematic name:

adenosine aminohydrolase

Comments:

The enzyme, found in a wide variety of microorganisms, plants, invertebrates, and animals, plays a role in purine metabolism.

Links to other databases:

BRENDA, EXPASY, GTD, KEGG, MetaCyc, PDB, CAS registry number: 9026-93-1

References:

1.	Kaplan, N.O., Colowick, S.P. and Ciotti, M.M. Enzymatic deamination of cytosine nucleosides. J. Biol. Chem. 194 (1952) 579–591. [PMID: 14927650]
2.	Powell, J.F. and Hunter, J.R. Adenosine deaminase and ribosidase in spores of Bacillus cereus. Biochem. J. 62 (1956) 381–387. [PMID: 13303984]
3.	Singh, L.S. and Sharma, R. Purification and characterization of intestinal adenosine deaminase from mice. Mol. Cell. Biochem. 204 (2000) 127–134. [DOI] [PMID: 10718633]
4.	Cristalli, G., Costanzi, S., Lambertucci, C., Lupidi, G., Vittori, S., Volpini, R. and Camaioni, E. Adenosine deaminase: functional implications and different classes of inhibitors. Med. Res. Rev. 21 (2001) 105–128. [DOI] [PMID: 11223861]

[EC 3.5.4.4 created 1961]