1QVU

Crystal structure of the multidrug binding transcriptional repressor QacR bound to two drugs: ethidium and proflavine

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0003677	molecular_function	DNA binding
A	0003700	molecular_function	DNA-binding transcription factor activity
A	0045892	biological_process	negative regulation of DNA-templated transcription
B	0003677	molecular_function	DNA binding
B	0003700	molecular_function	DNA-binding transcription factor activity
B	0045892	biological_process	negative regulation of DNA-templated transcription
D	0003677	molecular_function	DNA binding
D	0003700	molecular_function	DNA-binding transcription factor activity
D	0045892	biological_process	negative regulation of DNA-templated transcription
E	0003677	molecular_function	DNA binding
E	0003700	molecular_function	DNA-binding transcription factor activity
E	0045892	biological_process	negative regulation of DNA-templated transcription

Functional Information from PDB Data

site_id	AC1
Number of Residues	9
Details	BINDING SITE FOR RESIDUE ET A 195

Chain	Residue
A	GLN96
A	ILE100
A	TYR103
A	TYR107
A	GLU120
A	TYR123
A	ASN157
B	ASN97
B	PHE162

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site_id	AC2
Number of Residues	5
Details	BINDING SITE FOR RESIDUE PRL A 196

Chain	Residue
A	GLU58
A	TRP61
A	THR89
A	GLU90
A	TYR103

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Functional Information from PROSITE/UniProt

site_id	PS01081
Number of Residues	31
Details	HTH_TETR_1 TetR-type HTH domain signature. GYnatTTgeIvklseSSkGnLYyHFkTKen.L

Chain	Residue	Details
B	GLY19-LEU49

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Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	76
Details	DNA_BIND: H-T-H motif => ECO:0000255|PROSITE-ProRule:PRU00335

Chain	Residue	Details
B	THR24-PHE43
D	THR24-PHE43
A	THR24-PHE43
E	THR24-PHE43

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