4DUG

Crystal Structure of Circadian Clock Protein KaiC E318A Mutant

Replaces:  3UA2

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, E, F (A, B, C, E, F)	Circadian clock protein kinase kaiC	polymer	519	58094.7	5	UniProt (Q79PF4) Pfam (PF06745)	Synechococcus elongatus
2	D (D)	Circadian clock protein kinase kaiC	polymer	519	58014.7	1	UniProt (Q79PF4) Pfam (PF06745)	Synechococcus elongatus
3	AA, BA, EA, G, J... (E, F, A, B, C...)	MAGNESIUM ION	non-polymer		24.3	12	Chemie (MG)
4	CA, DA, H, I, L... (F, A, B, C, D...)	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	12	Chemie (ATP)
5	S (C)	PHOSPHATE ION	non-polymer		95.0	1	Chemie (PO4)
6	FA, GA, HA, IA, JA... (A, B, C, D, E...)	water	water		18.0	69	Chemie (HOH)

Sequence modifications

A, B, C, E, F: 1 - 519 (UniProt: Q79PF4)

PDB	External Database	Details
Ala 318	Glu 318	engineered mutation

D: 1 - 519 (UniProt: Q79PF4)

PDB	External Database	Details
Ala 318	Glu 318	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	348488.3
Non-Polymers*	Number of molecules	25
	Total formula weight	6472.8
All*	Total formula weight	354961.1

*Water molecules are not included.