Table 1.

Percent identity matrix of D₂-like receptors of different species created by Clustal2.1 software [64]; h: human; r: rat; m: mouse.

Name	UniProt ID	hD2R	hD3R	rD3R	mD3R	hD4R
hD2R (long)	P14416-1	100.0	58.5	54.1	54.1	38.4
hD3R	P35462-1	58.5	100.0	89.0	90.5	40.7
rD3R	P19020-1	54.1	89.0	100.0	97.1	40.3
mD3R (long)	P30728-1	54.1	90.5	97.1	100.0	39.8
hD4R	P21917-1	38.4	40.7	40.3	39.8	100.0