4ZRG

Visual arrestin mutant - R175E

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	S-arrestin	polymer	418	47177.7	1	UniProt (P08168) Pfam (PF00339) Pfam (PF02752)	Bos taurus (Cattle)	48 kDa protein,Retinal S-antigen,S-AG,Rod photoreceptor arrestin
2	B, C, D, E, F (A)	CARBON DIOXIDE	non-polymer		44.0	5	Chemie (CO2)
3	G (A)	water	water		18.0	54	Chemie (HOH)

Sequence modifications

A: 1 - 404 (UniProt: P08168)

PDB	External Database	Details
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
Glu 175	Arg 175	engineered mutation
His 405	-	expression tag
His 406	-	expression tag
His 407	-	expression tag
His 408	-	expression tag
His 409	-	expression tag
His 410	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	47177.7
Non-Polymers*	Number of molecules	5
	Total formula weight	220.0
All*	Total formula weight	47397.8

*Water molecules are not included.