1JT0

Crystal structure of a cooperative QacR-DNA complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	E, F	QACA operator	polymer	28	8604.6	2
2	A, B, C, D	HYPOTHETICAL TRANSCRIPTIONAL REGULATOR IN QACA 5'REGION	polymer	194	22983.0	4	UniProt (P0A0N4) Pfam (PF00440) Pfam (PF08360) In PDB	Staphylococcus aureus	QacR repressor, ORF 188
3	A, B, C, D	SULFATE ION	non-polymer		96.1	5	Chemie (SO4)
4		water	water		18.0	45	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 188 (UniProt: P0A0N4)

PDB	External Database	Details
Ala 72	Cys 72	engineered mutation
Ser 141	Cys 141	engineered mutation
His 189	-	expression tag
His 190	-	expression tag
His 191	-	expression tag
His 192	-	expression tag
His 193	-	expression tag
His 194	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	109141.2
Non-Polymers*	Number of molecules	5
	Total formula weight	480.3
All*	Total formula weight	109621.5

*Water molecules are not included.