4P31

Crystal structure of a selenomethionine derivative of E. coli LptB in complex with ADP-Magensium

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Lipopolysaccharide export system ATP-binding protein LptB	polymer	249	28128.3	2	UniProt (P0A9V1) Pfam (PF00005) Pfam (PF12399)	Escherichia coli
2	C, E (A, B)	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	2	Chemie (ADP)
3	D, F (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4	G, H (A, B)	water	water		18.0	106	Chemie (HOH)

Sequence modifications

A, B: 2 - 241 (UniProt: P0A9V1)

PDB	External Database	Details
Glu 242	-	expression tag
His 243	-	expression tag
His 244	-	expression tag
His 245	-	expression tag
His 246	-	expression tag
His 247	-	expression tag
His 248	-	expression tag
His 249	-	expression tag
His 250	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	56256.7
Non-Polymers*	Number of molecules	4
	Total formula weight	903.0
All*	Total formula weight	57159.7

*Water molecules are not included.