5GPJ

Crystal Structure of Proton-Pumping Pyrophosphatase

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 (A, B, C, D)	Pyrophosphate-energized vacuolar membrane proton pump	polymer	774	81095.9	4	UniProt (P21616) Pfam (PF03030)	Vigna radiata var. radiata (Mung bean)	Pyrophosphate-energized inorganic pyrophosphatase,H(+)-PPase,Vacuolar H(+)-pyrophosphatase
2	E, H, K, N (A, B, C, D)	PHOSPHATE ION	non-polymer		95.0	4	Chemie (PO4)
3	F, G, I, J, L... (A, B, C, D)	MAGNESIUM ION	non-polymer		24.3	8	Chemie (MG)

Sequence modifications

A, B, C, D: 1 - 766 (UniProt: P21616)

PDB	External Database	Details
Ser 767	-	expression tag
Ser 768	-	expression tag
His 769	-	expression tag
His 770	-	expression tag
His 771	-	expression tag
His 772	-	expression tag
His 773	-	expression tag
His 774	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	324383.5
Non-Polymers*	Number of molecules	12
	Total formula weight	574.3
All*	Total formula weight	324957.8

*Water molecules are not included.