1SQ5

Crystal Structure of E. coli Pantothenate kinase

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 (A, B, C, D)	Pantothenate kinase	polymer	308	35473.6	4	UniProt (P0A6I3) Pfam (PF00485)	Escherichia coli	Pantothenic acid kinase, Rts protein
2	E, G, I, K (A, B, C, D)	PANTOTHENOIC ACID	non-polymer		219.2	4	Chemie (PAU)
3	F, H, J, L (A, B, C, D)	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	4	Chemie (ADP)
4	M, N, O, P (A, B, C, D)	water	water		18.0	885	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	141894.4
Non-Polymers*	Number of molecules	8
	Total formula weight	2585.7
All*	Total formula weight	144480.1

*Water molecules are not included.