7DXQ

Crystal Structure of Cyanobacterial Circadian Clock Protein 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... (A, B, E, F, C...)	Circadian clock protein kinase KaiC	polymer	519	58232.7	6	UniProt (Q79PF4) Pfam (PF06745)	Synechococcus elongatus (strain PCC 7942 / FACHB-805)
2	AA, BA, G, H, K... (D, A, B, E, F...)	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	12	Chemie (ATP)
3	CA, DA, I, J, M... (D, A, B, E, F...)	MAGNESIUM ION	non-polymer		24.3	12	Chemie (MG)
4	EA, FA, GA, HA, IA... (A, B, E, F, C...)	water	water		18.0	98	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	349396.4
Non-Polymers*	Number of molecules	24
	Total formula weight	6377.8
All*	Total formula weight	355774.2

*Water molecules are not included.