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Characteristics of protein prenylation in spinach cotyledons
| Feature | Type 1 | Type 2 |
|---|---|---|
| Main prenylated proteins | 21–26 kDa | 30–55 kDa and 100 kDa |
| Inhibitor sensitivity | CAP-insensitive, CH-sensitive | CAP-sensitive, CH-insensitive |
| Cellular location | Extra chloroplast | Chloroplast |
| Relation to other systems | Analogous to yeast and mammalian prenylation | Unique to plants |
| Type of bond | Thioether linkage | Unknown, nonthioether linkage |
| Prenylating group | Farnesyl and geranylgeranyl | Phytyl |
