1HX3

CRYSTAL STRUCTURE OF E.COLI ISOPENTENYL DIPHOSPHATE:DIMETHYLALLYL DIPHOSPHATE ISOMERASE

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)	ISOPENTENYL DIPHOSPHATE DELTA-ISOMERASE	polymer	190	21570.3	2	UniProt (Q46822) Pfam (PF00293)	Escherichia coli	DIMETHYLALLYL DIPHOSPHATE ISOMERASE
2	C, F (A, B)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
3	D, G (A, B)	MANGANESE (II) ION	non-polymer		54.9	2	Chemie (MN)
4	E, H (A, B)	IMIDAZOLE	non-polymer		69.1	2	Chemie (IMD)
5	I, J (A, B)	water	water		18.0	141	Chemie (HOH)

Sequence modifications

A, B: 1 - 182 (UniProt: Q46822)

PDB	External Database	Details
Ala 67	Cys 67	engineered mutation
Leu 183	-	expression tag
Glu 184	-	expression tag
His 185	-	expression tag
His 186	-	expression tag
His 187	-	expression tag
His 188	-	expression tag
His 189	-	expression tag
His 190	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	43140.6
Non-Polymers*	Number of molecules	6
	Total formula weight	440.2
All*	Total formula weight	43580.8

*Water molecules are not included.