2B4M

Crystal structure of the binding protein OpuAC in complex with proline betaine

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)	Glycine betaine-binding protein	polymer	268	29780.9	2	UniProt (P46922) Pfam (PF04069)	Bacillus subtilis
2	C, D (A, B)	1,1-DIMETHYL-PROLINIUM	non-polymer		144.2	2	Chemie (PBE)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	59561.8
Non-Polymers*	Number of molecules	2
	Total formula weight	288.4
All*	Total formula weight	59850.2

*Water molecules are not included.