9KME

Crystal structure of soluble bacteriorhodopsin NeuroBR_A

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 (A, B, C, D)	soluble bacteriorhodopsin	polymer	237	27524.3	4		synthetic construct
2	E, G, I, L (A, B, C, D)	RETINAL	non-polymer		284.4	4	Chemie (RET)
3	F, H, J, K (A, B, C)	SULFATE ION	non-polymer		96.1	4	Chemie (SO4)
4	M, N, O, P (A, B, C, D)	water	water		18.0	500	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	110097.2
Non-Polymers*	Number of molecules	8
	Total formula weight	1522.0
All*	Total formula weight	111619.2

*Water molecules are not included.