TABLE 1.

TOR is evolutionarily conserved^a

TOR protein	% Identity
	ScTOR1	ScTOR2	Sptor1	Sptor2	CnTOR1	CeTOR	AtTOR	dTOR	mTOR
ScTOR1	—	67	42	47	39	28	36	37	38
ScTOR2		—	43	48	40	28	38	38	40
SpTOR1			—	52	42	28	38	40	42
SpTOR2				—	44	29	42	42	44
CnTOR1					—	26	35	38	39
CeTOR						—	28	32	35
AtTOR							—	38	40
dTOR								—	53
mTOR									—

^aThe table shows the identity (expressed as a percentage) between the TOR proteins so far identified in eukaryotes. ScTOR1, Saccharomyces cerevisiae TOR1; ScTOR2, Saccharomyces cerevisiae TOR2; SpTOR1, Schizosaccharomyces pombe TOR1; SpTOR2, Schizosaccharomyces pombe TOR2; CnTOR1, Cryptococcus neoformans TOR1; CeTOR, Caenorhabditis elegans TOR; AtTOR, Arabidopsis thaliana TOR; dTOR, Drosophila TOR; mTOR, mammalian TOR (human in this case).