8ZAO

ExoKCR1 channelrhodopsin

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 (A, B, C)	exoKCR1	polymer	259	29857.0	3		Hyphochytrium catenoides
2	D, E, F, G, H... (A, B, C)	POTASSIUM ION	non-polymer		39.1	15	Chemie (K)
3	I, O, U (A, B, C)	RETINAL	non-polymer		284.4	3	Chemie (RET)
4	V, W, X (A, B, C)	water	water		18.0	30	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	89571.0
Non-Polymers*	Number of molecules	18
	Total formula weight	1439.8
All*	Total formula weight	91010.7

*Water molecules are not included.