HYDROLASE/HYDROLASE REGULATOR, NAD DEPENDENT DEACETYLASE, SIRTUIN, INTERMEDIATE TRAPPED STRUCTURE, THIOACETYL PEPTIDE, HYDROLASE, METAL-BINDING, MITOCHONDRION, NAD, POLYMORPHISM, TRANSIT PEPTIDE, ZINC, ALTERNATIVE SPLICING, LIGASE, HYDROLASE/HYDROLASE REGULATOR COMPLEX 3GLT CRYSTAL STRUCTURE OF HUMAN SIRT3 WITH ADPR BOUND TO THE ACECS2 PEPTIDE CONTAINING A THIOACETYL LYSINE