Table 1.

Amino acid sequence identities of T1R1 compared with other fish and mammals.

	grass carp1	zebrafish1	Mexican tetra1	spotted gar1	tongue sole1	seabass1	puffer fish1	fugu1	platyfish1	medaka1	human1	mouse1
grass carp1	100.00
zebrafish1	85.21	100.00
Mexican tetra1	67.32	66.02	100.00
spotted gar1	58.56	57.09	56.45	100.00
tongue sole1	60.86	58.36	60.82	55.95	100.00
seabass1	59.26	56.77	59.44	54.76	72.19	100.00
puffer fish1	57.60	56.00	58.41	52.50	70.07	70.34	100.00
fugu1	60.29	58.21	58.17	53.93	69.95	72.28	85.09	100.00
platyfish1	59.90	57.91	60.20	56.90	71.43	71.53	69.31	71.24	100.00
medaka1	59.54	57.67	61.05	56.02	70.45	70.81	65.59	67.86	79.11	100.00
human1	41.31	40.10	43.35	43.42	41.58	40.56	41.38	41.25	40.92	42.26	100.00
mouse1	41.18	40.67	44.03	43.13	41.09	39.83	40.12	39.76	40.80	41.54	73.37	100.00

Amino acid sequences available in the EMBL/GenBank databases and food habit information of fish are shown in Table 3.