2.3.1.B41 lipoprotein myristic acid is a competitive inhibitor of SIRT6 demyristoylation 757236 2.3.1.B41 additional information SIRT6 SUMOylation appears to specifically regulate SIRT6 deacetylation on H3K56 but not H3K9 757931 2.3.1.B41 nitrosylation tyrosine 257 in sirtuin 6 is nitrated after 3-morpholinosydnonimine treatment 738283