Table 1.

Occurrence of Chordate OR Motifs in the Protein Predictions from 12 Nonchordate Species

No.	Motifb	Speciesa
		Monosiga brevicollis	Trichoplax adhaerens	Hydra magnipapillata	Nematostella vectensis	Helobdella robusta	Lottia gigantea	Capitella sp I	Caenorhabditis elegans	Drosophila melanogaster	Anopheles gambiae	Ciona intestinalis	Strongylocentrotus purpuratus
1	L..P.Y.L…L...D........P	0	0	0	7	0	0	0	0	0	0	0	6
2	L..P.Y.....L…D........P	0	0	0	9	0	0	0	0	0	0	0	7
3	MA.D.Y…C.PL.Y	0	0	0	0	0	0	0	0	0	0	0	0
4	MA…Y...C.PL.Y	0	0	0	0	0	0	0	0	0	0	0	0
5	M....Y…C.PL.Y	0	0	0	0	0	1	0	0	0	0	0	0

^aSee methods for the numbers of proteins for each species.

^bPositions denoted with '.' represent any amino acid.