2RH6

Structure of Xac NPP for evaluation of refinement methodology

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)	Phosphodiesterase-nucleotide pyrophosphatase	polymer	393	42741.1	2	UniProt (Q8PIS1)	Xanthomonas axonopodis pv. citri
2	C, D, F, G (A, B)	ZINC ION	non-polymer		65.4	4	Chemie (ZN)
3	E, H, I (A, B)	ADENOSINE MONOPHOSPHATE	non-polymer		347.2	3	Chemie (AMP)
4	J, K (A, B)	water	water		18.0	669	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	85482.2
Non-Polymers*	Number of molecules	7
	Total formula weight	1303.3
All*	Total formula weight	86785.5

*Water molecules are not included.