4R3A

Erythrobacter litoralis EL346 blue-light activated histidine kinase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Blue-light-activated histidine kinase 2	polymer	352	38622.4	2	UniProt (Q2NB77) Pfam (PF13426) Pfam (PF07568) Pfam (PF02518) In PDB	Erythrobacter litoralis HTCC2594	EL346-LOV-histidine kinase, EL346-LOV-HK
2	A, B	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
3	A, B	PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER	non-polymer		506.2	2	Chemie (ANP)
4	A, B	RIBOFLAVIN	non-polymer		376.4	2	Chemie (RBF)

Sequence modifications

A, B: 1 - 346 (UniProt: Q2NB77)

PDB	External Database	Details
Gly -5	-	expression tag
Glu -4	-	expression tag
Phe -3	-	expression tag
Lys -2	-	expression tag
Gly -1	-	expression tag
Leu 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	77244.7
Non-Polymers*	Number of molecules	6
	Total formula weight	1813.7
All*	Total formula weight	79058.4

*Water molecules are not included.