The Enzyme Database

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Accepted name: O-acetyl-ADP-ribose deacetylase
Reaction: (1) 3′′-O-acetyl-ADP-D-ribose + H2O = ADP-D-ribose + acetate
(2) 2′′-O-acetyl-ADP-D-ribose + H2O = ADP-D-ribose + acetate
Other name(s): ymdB (gene name); MACROD1 (gene name)
Systematic name: O-acetyl-ADP-D-ribose carboxylesterase
Comments: The enzyme, characterized from the bacterium Escherichia coli and from human cells, removes the acetyl group from either the 2′′ or 3′′ position of O-acetyl-ADP-ribose, which are formed by the action of EC, protein acetyllysine N-acetyltransferase. The human enzyme can also remove ADP-D-ribose from phosphorylated double stranded DNA adducts.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB
1.  Chen, D., Vollmar, M., Rossi, M.N., Phillips, C., Kraehenbuehl, R., Slade, D., Mehrotra, P.V., von Delft, F., Crosthwaite, S.K., Gileadi, O., Denu, J.M. and Ahel, I. Identification of macrodomain proteins as novel O-acetyl-ADP-ribose deacetylases. J. Biol. Chem. 286 (2011) 13261–13271. [PMID: 21257746]
2.  Zhang, W., Wang, C., Song, Y., Shao, C., Zhang, X. and Zang, J. Structural insights into the mechanism of Escherichia coli YmdB: A 2′-O-acetyl-ADP-ribose deacetylase. J. Struct. Biol. 192 (2015) 478–486. [PMID: 26481419]
3.  Agnew, T., Munnur, D., Crawford, K., Palazzo, L., Mikoc, A. and Ahel, I. MacroD1 is a promiscuous ADP-ribosyl hydrolase localized to mitochondria. Front. Microbiol. 9:20 (2018). [PMID: 29410655]
[EC created 2019]

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