3NQ4

30mer structure of Lumazine synthase from Salmonella typhimurium LT2

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, AA, B, BA, C... (A, B, C, D, E...)	6,7-dimethyl-8-ribityllumazine synthase	polymer	156	16022.2	30	UniProt (P66038) Pfam (PF00885)	Salmonella typhimurium	DMRL synthase, Lumazine synthase, Riboflavin synthase beta chain
2	AB, BB, CB, DB, EA... (Q, R, A, S, B...)	SULFATE ION	non-polymer		96.1	40	Chemie (SO4)

Contents of the asymmetric unit

Polymers	Number of chains	30
	Total formula weight	480666.8
Non-Polymers*	Number of molecules	40
	Total formula weight	3842.5
All*	Total formula weight	484509.3

*Water molecules are not included.