TABLE 1.

Exemplary arrestin PDBs and structural form

PDB File	Structural Form	Arrestin State	References
α-Arrestins
4GEJ/4GEI	TXNIP	N-terminal domain	Polekhina et al., 2013
4LL4/4LL1/4GFX	TXNIP-TRX complex	Bimolecular complex	Hwang et al., 2014
2FAU	VPS26	Monomer	Shi et al., 2006
4P2A	VPS26A-SNX27 PDZ domain	Bimolecular complex	Gallon et al., 2014
Visual/β-arrestins
1AYR	Bovine rod arrestin1	Homotetramer	Granzin et al., 1998
1CF1	Bovine rod arrestin1	Monomer	Hirsch et al., 1999
3UGX/3UGU	Bovine p44 arrestin1	Monomer	Granzin et al., 2012
4J2Q	Bovine p44 arrestin1	Active conformation	Kim et al., 2013
1SUJ	Ambystoma tigrinum cone arrestin	Monomer	Sutton et al., 2005
1VQX/1NZS	Bovine arrestin1–rhodopsin C terminus	Monomer	Kisselev et al., 2004a,b
4PXF	Bovine arrestin1(67–77) –retinal-free rhodopsin	Bimolecular complex	Szczepek et al., 2014
4ZWJ	T4 lysozyme-rhodopsin–arrestin1 chimera	Monomer	Kang et al., 2015
1G4M	Bovine β-arrestin1	C-terminal truncation	Han et al., 2001
2WTR	Bovine β-arrestin1	Dimer	N/A
1JSY	Bovine β-arrestin2	Monomer	Milano et al., 2002
3P2D	Bovine β-arrestin2	Monomer	Zhan et al., 2011a
1ZSH	Bovine β-arrestin1–inositol hexakisphosphate	Bimolecular complex	Milano et al., 2006
3GC3	Bovine β-arrestin1(1–385)-clathrin	Bimolecular complex	Kang et al., 2009
4JQI	Rat β-arrestin1-V2 receptor phosphopeptide-Fab	Trimolecular complex	Shukla et al., 2013
2IV8	Human β-arrestin2(317–410)-AP2 β-appendage	Bimolecular complex	Schmid et al., 2006