Sirtuin chemical mechanisms.
Sirtuin chemical mechanisms.
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DOI:
10.1016/j.bbapap.2010.01.021
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发表时间:
2010-08
期刊:
影响因子:
--
通讯作者:
Sauve AA
中科院分区:
文献类型:
--
作者:
Sauve AA
Sirtuins are ancient proteins widely distributed in all lifeforms of earth. These proteins are universally able to bind NAD+, and activate it to effect ADP-ribosylation of cellular nucleophiles. The most commonly observed sirtuin reaction, is the ADPribosylation of acetyllysine, which leads to NAD+-dependent deacetylation. Other types of ADP-ribosylation have also been observed, including protein ADP-ribosylation, NAD+ solvolysis and ADP-ribosyltransfer to 5,6-dimethylbenzimidazole, a reaction involved in eubacterial cobalamin biosynthesis. This review broadly surveys the chemistries and chemical mechanisms of these enzymes.
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