4XEL

Crystal structure of Inorganic pyrophosphatase (PPase) from Pseudomonas aeruginosa

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Inorganic pyrophosphatase	polymer	183	20450.4	2	UniProt (Q9HWZ6) Pfam (PF00719) In PDB	Pseudomonas aeruginosa (strain ATCC 15692 / PAO1 / 1C / PRS 101 / LMG 12228)	Pyrophosphate phospho-hydrolase,PPase
2	A, B	SODIUM ION	non-polymer		23.0	2	Chemie (NA)
3	A	DODECAETHYLENE GLYCOL	non-polymer		546.6	1	Chemie (12P)
4	A, B	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
5	A, B	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
6		water	water		18.0	190	Chemie (HOH)

Sequence modifications

A, B: 1 - 175 (UniProt: Q9HWZ6)

PDB	External Database	Details
Met -7	-	initiating methionine
Ala -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	40900.8
Non-Polymers*	Number of molecules	7
	Total formula weight	712.1
All*	Total formula weight	41612.9

*Water molecules are not included.