1ERR

HUMAN ESTROGEN RECEPTOR LIGAND-BINDING DOMAIN IN COMPLEX WITH RALOXIFENE

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)	ESTROGEN RECEPTOR	polymer	253	28947.1	2	UniProt (P03372) Pfam (PF00104)	Homo sapiens (human)	ESTROGEN RECEPTOR, ER-LBD, ER-ALPHA
2	C, D (A, B)	RALOXIFENE	non-polymer		473.6	2	Chemie (RAL)
3	E, F (A, B)	water	water		18.0	100	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	57894.1
Non-Polymers*	Number of molecules	2
	Total formula weight	947.2
All*	Total formula weight	58841.3

*Water molecules are not included.