6IS3

Crystal Structure of Staphylococcus aureus response regulator ArlR receiver domain

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	C, A	Response regulator ArlR	polymer	126	14673.6	2	UniProt (Q2YY03) Pfam (PF00072) In PDB	Staphylococcus aureus RF122
2	C	CALCIUM ION	non-polymer		40.1	1	Chemie (CA)
3	A	2-(N-MORPHOLINO)-ETHANESULFONIC ACID	non-polymer		195.2	1	Chemie (MES)
4		water	water		18.0	222	Chemie (HOH)

Sequence modifications

C, A: 2 - 119 (UniProt: Q2YY03)

PDB	External Database	Details
Met -6	-	initiating methionine
Gly -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
His 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	29347.1
Non-Polymers*	Number of molecules	2
	Total formula weight	235.3
All*	Total formula weight	29582.4

*Water molecules are not included.