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Crystal structure of a NAD kinase from Archaeoglobus fulgidus in complex with its substrate and product: Insights into the catalysis of NAD kinase

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	Probable inorganic polyphosphate/ATP-NAD kinase	polymer	249	27905.4	4	UniProt (O30297) Pfam (PF01513) Pfam (PF20143) In PDB	Archaeoglobus fulgidus	Poly(P)/ATP NAD kinase
2	A, B, C, D	NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE	non-polymer		743.4	4	Chemie (NAP)
3		water	water		18.0	303	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	111621.7
Non-Polymers*	Number of molecules	4
	Total formula weight	2973.6
All*	Total formula weight	114595.4

*Water molecules are not included.