1GWR

HUMAN OESTROGEN RECEPTOR ALPHA LIGAND-BINDING DOMAIN IN COMPLEX WITH 17BETA-OESTRADIOL AND TIF2 NRBOX3 PEPTIDE

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	OESTROGEN RECEPTOR	polymer	245	28022.0	2	UniProt (P03372) Pfam (PF00104) In PDB	HOMO SAPIENS (HUMAN)	ER, ESTRADIOL RECEPTOR, ER-ALPHA
2	C, D	TRANSCRIPTION INTERMEDIARY FACTOR-2	polymer	9	1091.3	2	UniProt (Q15596) In PDB	HOMO SAPIENS	TIF2
3	A, B	ESTRADIOL	non-polymer		272.4	2	Chemie (EST)
4		water	water		18.0	45	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	58226.6
Non-Polymers*	Number of molecules	2
	Total formula weight	544.8
All*	Total formula weight	58771.4

*Water molecules are not included.