1A28

HORMONE-BOUND HUMAN PROGESTERONE RECEPTOR LIGAND-BINDING DOMAIN

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)	PROGESTERONE RECEPTOR	polymer	256	29554.6	2	UniProt (P06401) Pfam (PF00104)	Homo sapiens (human)
2	C, D (A, B)	PROGESTERONE	non-polymer		314.5	2	Chemie (STR)
3	E, F (A, B)	water	water		18.0	180	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	59109.3
Non-Polymers*	Number of molecules	2
	Total formula weight	628.9
All*	Total formula weight	59738.2

*Water molecules are not included.