3Q1O

Crystal structure of geranyltransferase from helicobacter pylori complexed with magnesium and isoprenyl diphosphate

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	Geranyltranstransferase (IspA)	polymer	310	35175.2	4	UniProt (O25583) Pfam (PF00348) In PDB	Helicobacter pylori
2	A, B, C, D	MAGNESIUM ION	non-polymer		24.3	5	Chemie (MG)
3	A, B, C, D	DIMETHYLALLYL DIPHOSPHATE	non-polymer		246.1	8	Chemie (DMA)
4	A, B, C	SULFATE ION	non-polymer		96.1	7	Chemie (SO4)
5		water	water		18.0	224	Chemie (HOH)

Sequence modifications

A, B, C, D: 2 - 301 (UniProt: O25583)

PDB	External Database	Details
Met -8	-	expression tag
Ala -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
Ser 0	-	expression tag
Leu 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	140700.8
Non-Polymers*	Number of molecules	20
	Total formula weight	2762.7
All*	Total formula weight	143463.5

*Water molecules are not included.