3KF9

Crystal structure of the SdCen/skMLCK complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	Caltractin	polymer	149	17221.3	2	UniProt (Q06827) Pfam (PF13499) In PDB	Scherffelia dubia	Centrin
2	B, D	Myosin light chain kinase 2, skeletal/cardiac muscle	polymer	22	2644.2	2	UniProt (Q9H1R3) In PDB		MLCK2
3	A, C	CALCIUM ION	non-polymer		40.1	8	Chemie (CA)
4		water	water		18.0	69	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	39731.0
Non-Polymers*	Number of molecules	8
	Total formula weight	320.6
All*	Total formula weight	40051.6

*Water molecules are not included.