4TL7

Crystal structure of N-terminal C1 domain of KaiC

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, E...	Circadian clock protein kinase KaiC	polymer	253	28379.2	6	UniProt (Q79PF4) Pfam (PF06745) In PDB	Synechococcus elongatus (strain PCC 7942)
2	F, A, B, C, D...	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	6	Chemie (ATP)
3	F, A, B, C, D...	MAGNESIUM ION	non-polymer		24.3	6	Chemie (MG)
4	F, A, B, C, D...	CHLORIDE ION	non-polymer		35.5	6	Chemie (CL)
5	F, A, B, C, D...	SULFATE ION	non-polymer		96.1	6	Chemie (SO4)
6		water	water		18.0	729	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	170275.2
Non-Polymers*	Number of molecules	24
	Total formula weight	3978.0
All*	Total formula weight	174253.2

*Water molecules are not included.