TABLE 2.
Functional analysis of identified phosphoproteins
| Functional categories | No. of proteinsa |
|---|---|
| Proteins of the flagella and the centriole | 36 |
| Nucleic acid-binding and ribosomal proteins | 31 |
| Kinases and phosphatases | 26 |
| Enzymes | 23 |
| Transport/membrane proteins and receptors | 17 |
| Proteins with protein-protein interaction domains | 8 |
| ATPases | 6 |
| Proteins with other functions as listed above | 39 |
| Novel proteins of as-yet-unknown function | 142 |
a
Proteins that appear in the flagella/centriole and can be grouped at the same time under some other category have been counted only once (under flagella/centriole).