4O0M

Crystal structure of T. Elongatus BP-1 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 (A, B, C)	Circadian clock protein kinase KaiC	polymer	524	58590.9	3	UniProt (Q79V60) Pfam (PF06745)	Thermosynechococcus elongatus
2	D, G, H, J, L... (A, B, C)	MAGNESIUM ION	non-polymer		24.3	6	Chemie (MG)
3	E, F, I, K, M... (A, B, C)	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	6	Chemie (ATP)
4	P, Q, R (A, B, C)	water	water		18.0	205	Chemie (HOH)

Sequence modifications

A, B, C: 1 - 518 (UniProt: Q79V60)

PDB	External Database	Details
His 519	-	expression tag
His 520	-	expression tag
His 521	-	expression tag
His 522	-	expression tag
His 523	-	expression tag
His 524	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	175772.7
Non-Polymers*	Number of molecules	12
	Total formula weight	3188.9
All*	Total formula weight	178961.6

*Water molecules are not included.