3F7T

Structure of active IspH shows a novel fold with a [3Fe-4S] cluster in the catalytic centre

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)	4-hydroxy-3-methylbut-2-enyl diphosphate reductase	polymer	328	36223.0	2	UniProt (P62623) Pfam (PF02401)	Escherichia coli
2	C, I (A, B)	FE3-S4 CLUSTER	non-polymer		295.8	2	Chemie (F3S)
3	D, J (A, B)	PYROPHOSPHATE 2-	non-polymer		176.0	2	Chemie (POP)
4	E, F, G, H, K... (A, B)	PHOSPHATE ION	non-polymer		95.0	8	Chemie (PO4)
5	O, P (A, B)	water	water		18.0	428	Chemie (HOH)

Sequence modifications

A, B: 1 - 316 (UniProt: P62623)

PDB	External Database	Details
Met -11	-	expression tag
Arg -10	-	expression tag
Gly -9	-	expression tag
Ser -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
Gly -1	-	expression tag
Ser 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	72446.1
Non-Polymers*	Number of molecules	12
	Total formula weight	1703.3
All*	Total formula weight	74149.3

*Water molecules are not included.