1G5Y

THE 2.0 ANGSTROM RESOLUTION CRYSTAL STRUCTURE OF THE RXRALPHA LIGAND BINDING DOMAIN TETRAMER IN THE PRESENCE OF A NON-ACTIVATING RETINOIC ACID ISOMER.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D	RETINOIC ACID RECEPTOR RXR-ALPHA	polymer	238	26667.9	4	UniProt (P19793) Pfam (PF00104) In PDB	Homo sapiens (human)
2	B, C	RETINOIC ACID	non-polymer		300.4	2	Chemie (REA)
3		water	water		18.0	496	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	106671.4
Non-Polymers*	Number of molecules	2
	Total formula weight	600.9
All*	Total formula weight	107272.3

*Water molecules are not included.