Phylogenetic reconstruction of CREST proteins. This phylogenetic tree is made by MOLPHY. Each protein is denoted by its species name abbreviation and its gi number. Bootstrap percentages are shown for the internal nodes. The eleven CREST groups are labeled to the right of the tree. The root of each group is marked by a black circle. Species abbreviations are as follows: Arab_tha, Arabidopsis thaliana; Baci_sub, Bacillus subtilis; Caen_ele, Caenorhabditis elegans; Chla_rei, Chlamydomonas reinhardtii; Clos_ace, Clostridium acetobutylicum; Cyan_sp., Cyanothece sp.; Dict_dis, Dictyostelium discoideum; Dros_mel, Drosophila melanogaster; Fran_sp., Frankia sp.; Homo_sap, Homo sapiens; Meth_rad, Methylobacterium radiotolerans; Micr_sp., Micromonas sp.; Myco_tub, Mycobacterium tuberculosis; Ostr_luc, Ostreococcus lucimarinus; Para_tet, Paramecium tetraurelia; Phot_pro, Photobacterium profundum; Pseu_sp., Pseudovibrio sp.; Rals_eut, Ralstonia eutropha; Sacc_cer, Saccharomyces cerevisiae; Trib_cas, Tribolium castaneum; and Tryp_bru, Trypanosoma brucei. Sequence names are colored as follows: metazoans, black; fungi, brown; plants, green; protists, red; and bacteria, blue.