Table 2.

Receptor elements involved in arrestin binding identified using receptor trafficking assays in cells

Receptor element	Receptor type	References
C-terminus	Thyrotropin-releasing hormone receptors1 and 2	Groarke et al., 2001; Hanyaloglu et al., 2001, 2002
	Chemokine receptor CCR5	Huttenrauch et al., 2002, Kraft et al., 2001
	Chemokine receptor CCR7	Kohout et al., 2004
	Angiotensin II receptor type 1	Qian et al., 2001
	Platelet-activating factor receptor	Chen et al., 2002
	N-formyl peptide receptor	Key et al., 2003
	β1- and β2-adrenergic receptors	Liang et al., 2003a
	V2 vasopressin receptor	Charest & Bouvier, 2003
	Metabotropic glutamate receptor 1A	Dale et al., 2001; Mundell et al., 2003
	Substance P receptor	Richardson et al., 2003
	Scavenger chemokine receptor D6	Galliera et al., 2004
	Prostaglandin receptor EP4	Neuschafer-Rube et al., 2004
	Corticotropin-releasing hormone receptor	Teli et al., 2005
	Orexin-1 receptor	Milasta et al., 2005
	Protease-activated receptor-2	Stalheim et al., 2005
	Cysteinyl leukotriene receptor	Naik et al., 2005
	Neuropeptide Y1 receptor	Holliday et al., 2005
	Somatostatin 2A receptor	Tulipano et al., 2004
	Serotonin 5-HT4 receptor	Barthet et al., 2005
	Follitropin receptor	Kishi et al., 2002
	Neurokinin 1 and 3 receptors	Schmidlin et al., 2003
i3 (3rd loop)	m2 muscarinic cholinergic receptor	Lee et al., 2000
	Dopamine D2 and D3 receptors	Kim et al., 2001
	Dopamine D1 receptor	Kim et al., 2004
	Dopamine D2 receptor	Namkung & Sibley, 2004
	α2A-adrenoreceptor	Wang & Limbird, 2002
	α2B-Adrenoreceptor	DeGraff et al., 2002
	α2C-Adrenoreceptor	DeGraff et al., 2002
	Follitropin receptor	Kishi et al., 2002
	Lutropin receptor	Bhaskaran et al., 2003
	Neurokinin 1 and 3 receptors	Schmidlin et al., 2003
i2 (2nd loop)	Dopamine D2 and D3 receptors	Kim et al., 2001
i1 (1st loop)	Follitropin receptor	Kishi et al., 2002