8P3R

Structure of the Histidine Kinase CheA ATP-Binding domain in complex with compound ODDHK4

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Chemotaxis protein CheA	polymer	189	21079.3	2	UniProt (Q56310) Pfam (PF02518)	Thermotoga maritima
2	C, D (A, B)	9~{H}-purine	non-polymer		120.1	2	Chemie (WUT)
3	E, F (A, B)	water	water		18.0	59	Chemie (HOH)

Sequence modifications

A, B: 4 - 189 (UniProt: Q56310)

PDB	External Database	Details
Gly 1	-	expression tag
Ser 2	-	expression tag
His 3	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	42158.5
Non-Polymers*	Number of molecules	2
	Total formula weight	240.2
All*	Total formula weight	42398.8

*Water molecules are not included.