1WXE

E.coli NAD Synthetase, AMP

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	NH(3)-dependent NAD(+) synthetase	polymer	275	30672.8	1	UniProt (P18843) Pfam (PF02540) In PDB	Escherichia coli	NAD Synthetase, Nitrogen-regulatory protein
2	A	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
3	A	ADENOSINE MONOPHOSPHATE	non-polymer		347.2	2	Chemie (AMP)
4		water	water		18.0	257	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	30672.8
Non-Polymers*	Number of molecules	3
	Total formula weight	718.7
All*	Total formula weight	31391.5

*Water molecules are not included.