1QVT

CRYSTAL STRUCTURE OF THE MULTIDRUG BINDING TRANSCRIPTIONAL REPRESSOR QACR BOUND TO THE DRUG PROFLAVINE

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (B, D, A, E)	Transcriptional regulator qacR	polymer	194	23015.1	4	UniProt (P0A0N4) Pfam (PF00440) Pfam (PF08360)	Staphylococcus aureus
2	AA, BA, CA, DA, E... (E, B, D, A)	SULFATE ION	non-polymer		96.1	26	Chemie (SO4)
3	W (A)	PROFLAVIN	non-polymer		209.2	1	Chemie (PRL)
4	FA, GA, HA, IA (B, D, A, E)	water	water		18.0	82	Chemie (HOH)

Sequence modifications

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

PDB	External Database	Details
Ser 141	Cys 141	conflict
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	4
	Total formula weight	92060.4
Non-Polymers*	Number of molecules	27
	Total formula weight	2706.9
All*	Total formula weight	94767.2

*Water molecules are not included.