3Q3L

The neutron crystallographic structure of inorganic pyrophosphatase from Thermococcus thioreducens

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, E... (A, B, C, D, E...)	Tt-IPPase	polymer	178	20880.9	6	Pfam (PF00719) UniProt (by SIFTS) (H2L2L6)	Thermococcus thioreducens
2	G, H, I, J, K... (A, B, C, D, E...)	CALCIUM ION	non-polymer		40.1	6	Chemie (CA)
3	M, N, O, P, Q... (A, B, C, D, E...)	water	water		18.0	238	Chemie (DOD)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	125285.3
Non-Polymers*	Number of molecules	6
	Total formula weight	240.5
All*	Total formula weight	125525.8

*Water molecules are not included.