>1zhi_B mol:protein length:138 Regulatory protein SIR1GSHMASEKKFSTEEEYVSPRFLVADGFLIDLAEEKPINPKDPRLLTLLKDHQRAMIDQMNLVKWNDFKKYQDPIPLKAKTLFKFCKQIKKKFLRGADFKLHTLPTEANLKYEPERMTVLASCVPILLDDQTVQYLYDD