6IS4

Crystal Structure of Staphylococcus aureus response regulator ArlR DNA binding domain

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Response regulator ArlR	polymer	105	12421.1	1	UniProt (Q2YY03) Pfam (PF00486) In PDB	Staphylococcus aureus
2	A	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
3	A	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
4		water	water		18.0	92	Chemie (HOH)

Sequence modifications

A: 123 - 219 (UniProt: Q2YY03)

PDB	External Database	Details
Met 115	-	initiating methionine
Gly 116	-	expression tag
His 117	-	expression tag
His 118	-	expression tag
His 119	-	expression tag
His 120	-	expression tag
His 121	-	expression tag
His 122	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	12421.1
Non-Polymers*	Number of molecules	3
	Total formula weight	71.6
All*	Total formula weight	12492.7

*Water molecules are not included.