5EPV

Histidine kinase domain from the LOV-HK blue-light receptor from Brucella abortus

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 (A, B, C, D)	Blue-light-activated histidine kinase	polymer	233	26104.9	4	UniProt (Q2YKK7) Pfam (PF07536)	Brucella abortus	BA-LOV-histidine kinase, BA-LOV-HK
2	E, G, I, J (A, B, C, D)	PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER	non-polymer		505.2	4	Chemie (ACP)
3	F, H (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)

Sequence modifications

A, B, C, D: 266 - 489 (UniProt: Q2YKK7)

PDB	External Database	Details
Met 263	-	expression tag
Ala 264	-	expression tag
Ser 265	-	expression tag
His 490	-	expression tag
His 491	-	expression tag
His 492	-	expression tag
His 493	-	expression tag
His 494	-	expression tag
His 495	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	104419.7
Non-Polymers*	Number of molecules	6
	Total formula weight	2069.4
All*	Total formula weight	106489.1

*Water molecules are not included.