Table 2.
Diapause-specific Artemia molecular chaperones
| Property | Artemia molecular chaperones | |||
|---|---|---|---|---|
| p26 | ArHsp21 | ArHsp22 | Artemin | |
| Molecular mass (kDa) | 20.8 | 21.1 | 22.4 | 26.0 |
| Amino acid residues | 192 | 181 | 190 | 230 |
| α-Crystallin domain (residue numbers) | +(61–152) | +(70–162) | +(74–168) | – |
| Ferritin homolog | − | − | − | + |
| Oligomerization | + | + | + | + |
| Chaperone activity | + | + | + | + |
| Apoptosis inhibition | + | ND | ND | ND |
| Developmentally regulated | + | + | + | + |
| Stress regulated | − | − | +(Adults only) | − |
| Abundance in cysts | High | ND | ND | High |
(Adults only), expression induced by heat only in adults
+ Property observed; − property not observed; ND not determined