3UGX

Crystal Structure of Visual Arrestin

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D	S-arrestin	polymer	414	46535.1	4	UniProt (P08168) Pfam (PF00339) Pfam (PF02752) In PDB	Bos taurus (bovine)	48 kDa protein, Retinal S-antigen, S-AG, Rod photoreceptor arrestin, S-arrestin short form
2	D, A, B, C	PENTANEDIAL	non-polymer		100.1	14	Chemie (PTD)
3	A, B	SODIUM ION	non-polymer		23.0	2	Chemie (NA)
4	C, D, A, B	1,2-ETHANEDIOL	non-polymer		62.1	7	Chemie (EDO)
5	D, B	IMIDAZOLE	non-polymer		69.1	3	Chemie (IMD)
6	C	POTASSIUM ION	non-polymer		39.1	1	Chemie (K)
7		water	water		18.0	185	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 404 (UniProt: P08168)

PDB	External Database	Details
Ala -9	-	expression tag
Ser -8	-	expression tag
Trp -7	-	expression tag
Ser -6	-	expression tag
His -5	-	expression tag
Pro -4	-	expression tag
Gln -3	-	expression tag
Phe -2	-	expression tag
Glu -1	-	expression tag
Lys 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	186140.3
Non-Polymers*	Number of molecules	27
	Total formula weight	2128.4
All*	Total formula weight	188268.7

*Water molecules are not included.