| Kieli | Käännökset |
|---|---|
| espanja | sirtuina |
| italia | sirtuina |
| Monikko | sirtuins |
(biochemistry) Any of several enzymes that act as regulatory factors that mediate the life-extending effects of a low-calorie diet.
Crystallographic structure of yeast sir2 (rainbow colored cartoon, N-terminus = blue, C-terminus = red) complexed with ADP (space-filling model, carbon = white, oxygen = red, nitrogen = blue, phosphorus = orange) and a histone H4 peptide (magenta) containing an acylated lysine residue (displayed as spheres)