2FS7

Crystal Structure of Apo-Cellular Retinoic Acid Binding Protein Type II At 1.55 Angstroms Resolution

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)	Cellular retinoic acid-binding protein 2	polymer	137	15581.8	2	UniProt (P29373) Pfam (PF00061)	Homo sapiens (human)	Cellular retinoic acid- binding protein II, CRABP-II, Retinoic acid-binding protein II, cellular
2	C, D, F, G (A, B)	CHLORIDE ION	non-polymer		35.5	4	Chemie (CL)
3	E, H (A, B)	ACETATE ION	non-polymer		59.0	2	Chemie (ACT)
4	I, J (A, B)	water	water		18.0	304	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	31163.6
Non-Polymers*	Number of molecules	6
	Total formula weight	259.9
All*	Total formula weight	31423.5

*Water molecules are not included.