Table 2.

Distribution of PAR erasers in representative species from six major eukaryotic supergroups.

Eukaryotic supergroup	Organism	PARG/bactPARG	ARH3	MacroD1	MacroD2	TARG1	PBZ
Opisthokonta
Human	Homo sapiens	+	+	+	+	+	+
Mouse	Mus musculus	+	+	+2	+	+	+
Chicken	Gallus gallus	+	+		+	+	+
Lizard	Anolis carolinensis	+	+	+	+	+	+
Frog	Xenopus tropicalis	+	+2	+	+2		+
Fish	Danio rerio	+2	+	+	+	+3	+
Lancelet	Branchiostoma floridae	+2	+	+			+
Sea urchin	Strongylocentrotus purpuratus	+3	+	+		+	+
Sea slug	Aplysia californica	+2	+	+			+
Fruit fly	Drosophila melanogaster	+				+2	+
Roundworm	Caenorhabditis elegans	+2		+			+
Cnidarian	Hydra magnipapillata	+	+			+
Sponge	Amphimedon queenslandica	+3	+	+2		+	+
Choanoflagellate	Monosiga brevicollis	+/+					+
Fungus	Penicillium chrysogenum	+/+2	+	+
Amoebozoa	Dictyostelium discoideum	+		+			+
Excavata	Trypanosoma brucei	+		+			+
Chromalveolata	Tetrahymena thermophila	+7	+				+
Plantae	Arabidopsis thaliana	+2		+			+
Rhizaria	Bigelowiella natans	+2/+3	+4	+

+ indicates presence of eraser homologue; number indicates presence of several eraser homologues.