8SXX

E. coli dodecamer SIR2

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...)	SIR2-like domain-containing protein	polymer	415	46817.7	12	UniProt (A0A7B5N0T7)	Escherichia coli	Sir2
2	M, N, O, P, Q... (A, B, C, D, E...)	NICOTINAMIDE-ADENINE-DINUCLEOTIDE	non-polymer		663.4	12	Chemie (NAD)

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	561812.0
Non-Polymers*	Number of molecules	12
	Total formula weight	7961.1
All*	Total formula weight	569773.1

*Water molecules are not included.