3C4W

Crystal Structure of G protein coupled receptor kinase 1 bound to ATP and magnesium chloride at 2.7A

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Rhodopsin kinase	polymer	543	61509.9	2	UniProt (P28327) Pfam (PF00615) Pfam (PF00069) In PDB	Bos taurus (cattle)	RK, G protein-coupled receptor kinase 1
2	A, B	MAGNESIUM ION	non-polymer		24.3	3	Chemie (MG)
3	A	CHLORIDE ION	non-polymer		35.5	3	Chemie (CL)
4	A, B	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	2	Chemie (ATP)
5		water	water		18.0	166	Chemie (HOH)

Sequence modifications

A, B: 1 - 535 (UniProt: P28327)

PDB	External Database	Details
Val 536	-	expression tag
Asp 537	-	expression tag
His 538	-	expression tag
His 539	-	expression tag
His 540	-	expression tag
His 541	-	expression tag
His 542	-	expression tag
His 543	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	123019.8
Non-Polymers*	Number of molecules	8
	Total formula weight	1193.6
All*	Total formula weight	124213.5

*Water molecules are not included.