Fig. 2. Phylogenetic tree of ICL centrins. The bootstrap support values from neighbour joining/maximum likelihood analyses are indicated for relevant nodes. /– indicates that some centrins are not grouped by the maximum-likelihood analysis. This tree is supported by the identification of diagnostic amino acid residues specific of each centrin subfamily (supplementary material Fig. S4). Hs-cen2/Cr-VFL2 and Hs-cen3/Cdc31p correspond to the well-defined centriolar centrin subfamilies (Azimzadeh and Bornens, 2004). Cr, Chlamydomonas reinhardtii; Cp, Cryptosporidium parvum; Hs, Homo sapiens; Pf, Plasmodium falciparum; Pv, Plasmodium vivax; Pt, Paramecium tetraurelia; Ta, Theileria annulata; Tt, Tetrahymena thermophila; Tg, Toxoplasma gondii; Vc, Vorticella convallaria; Za, Zoothamnium arbuscula. The accession numbers of Paramecium centrins (named Ptcen_icl or Ptcen) are as in Table 1. Cr-Vfl2=CAA31163; Hs-cen2=AAP35920; Hs-cen3=AAP35334; Pt-cen3=XP_001439003; Pt-cen2=XP_001427485; Tg-cen2=50m03356; Tt-cen1=XP_001019292; Tt-cen2=XP_001470770; Tt-cen3=XP_001026988; Tt-cen4=XP_001023350; Vc-spasmin=AAD00995; Za-spasmin1=BAC43748; Za-spasmin2=BAC43749.