TABLE 2.

Functional analysis of identified phosphoproteins

Functional categoriesNo. of proteinsa
Proteins of the flagella and the centriole36
Nucleic acid-binding and ribosomal proteins31
Kinases and phosphatases26
Enzymes23
Transport/membrane proteins and receptors17
Proteins with protein-protein interaction domains8
ATPases6
Proteins with other functions as listed above39
Novel proteins of as-yet-unknown function142
  • 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).