7BCA

Crystal structure of the HTH DNA binding protein ArdK from R388 plasmid bound to a direct-repeat DNA element

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	KORA domain-containing protein	polymer	98	11208.4	2	UniProt (Q6I6B7) Pfam (PF16509) In PDB	Escherichia coli K-12
2	C	DNA (5'-D(*TP*GP*TP*CP*AP*AP*TP*AP*GP*GP*TP*GP*TP*CP*AP*AP*TP*AP*C)-3')	polymer	19	5843.8	1		Escherichia coli K-12
3	D	DNA (5'-D(*GP*TP*AP*TP*TP*GP*AP*CP*AP*CP*CP*TP*AP*TP*TP*GP*AP*CP*A)-3')	polymer	19	5803.8	1		Escherichia coli K-12

Sequence modifications

A, B: 6 - 102 (UniProt: Q6I6B7)

PDB	External Database	Details
Leu 98	Ser 103	conflict
Leu 103	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	34064.3
All*	Total formula weight	34064.3

*Water molecules are not included.