6U2M

Crystal structure of a HaloTag-based calcium indicator, HaloCaMP V2, bound to JF635

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, C)	HaloCaMP V2	polymer	498	55849.0	2		Rhodococcus sp.
2	C, I (A, C)	(1E,3S)-1-{10-[2-carboxy-5-({2-[2-(hexyloxy)ethoxy]ethyl}carbamoyl)phenyl]-7-(3-fluoroazetidin-1-yl)-5,5-dimethyldibenz o[b,e]silin-3(5H)-ylidene}-3-fluoroazetidin-1-ium	non-polymer		704.9	2	Chemie (PUJ)
3	D, J (A, C)	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
4	E, F, G, H, K... (A, C)	CALCIUM ION	non-polymer		40.1	8	Chemie (CA)
5	O, P (A, C)	water	water		18.0	203	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	111698.1
Non-Polymers*	Number of molecules	12
	Total formula weight	1801.3
All*	Total formula weight	113499.4

*Water molecules are not included.