4QGP

Crystal structure of a pyrophosphatase (AF1178) from Archaeoglobus fulgidus DSM 4304 at 1.80 A resolution

Replaces:  3OBC

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)	pyrophosphatase	polymer	118	14375.9	2	UniProt (O29089) Pfam (PF12643)	Archaeoglobus fulgidus
2	C, E (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
3	D (A)	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
4	F (B)	TETRAETHYLENE GLYCOL	non-polymer		194.2	1	Chemie (PG4)
5	G (B)	TRIETHYLENE GLYCOL	non-polymer		150.2	1	Chemie (PGE)
6	H, I (B)	SODIUM ION	non-polymer		23.0	2	Chemie (NA)
7	J, K (A, B)	water	water		18.0	103	Chemie (HOH)

Sequence modifications

A, B: 1 - 106 (UniProt: O29089)

PDB	External Database	Details
Mse -11	-	expression tag
Gly -10	-	expression tag
Ser -9	-	expression tag
Asp -8	-	expression tag
Lys -7	-	expression tag
Ile -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	28751.9
Non-Polymers*	Number of molecules	7
	Total formula weight	474.4
All*	Total formula weight	29226.3

*Water molecules are not included.