4Z71

Crystal structure of inorganic pyrophosphatase from Mycobacterium tuberculosis in complex with Mg ions

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	Inorganic pyrophosphatase	polymer	171	19454.9	3	UniProt (P9WI55) Pfam (PF00719) In PDB	Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)	Pyrophosphate phospho-hydrolase,PPase
2	A, B, C	MAGNESIUM ION	non-polymer		24.3	6	Chemie (MG)
3		water	water		18.0	635	Chemie (HOH)

Sequence modifications

A, B, C: 1 - 162 (UniProt: P9WI55)

PDB	External Database	Details
Met -8	-	initiating methionine
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
Ala 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	58364.6
Non-Polymers*	Number of molecules	6
	Total formula weight	145.8
All*	Total formula weight	58510.4

*Water molecules are not included.