2PAF

Crystal Structure of the Lactose Repressor bound to anti-inducer ONPF in induced state

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)	Lactose operon repressor	polymer	269	28756.9	2	UniProt (P03023) Pfam (PF13377)	Escherichia coli
2	C, D (A, B)	2-nitrophenyl beta-D-fucopyranoside	non-polymer		285.3	2	Chemie (NPF)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	57513.9
Non-Polymers*	Number of molecules	2
	Total formula weight	570.5
All*	Total formula weight	58084.4

*Water molecules are not included.