Structure of PDB 3btj Chain B

Receptor sequence
>3btjB (length=186) Species: 158878 (Staphylococcus aureus subsp. aureus Mu50) [Search protein sequence]
NLKDKILGVAKELFIKNGYNATTTGEIVKLSESSKGNLYYHFKTKENLFL
EILNIEQSKWQEQWKKEQIKAKTNREKFYLYNELSLTTEYYYPLQNAIIE
FYTEYYKTNSINEKMNKLENKYIDAYHVIFKEGNLNGEWSINDVNAVSKI
AANAVNGIVTFTHEQNINERIKLMNKFSQIFLNGLS
3D structure
PDB3btj QacR-cation recognition is mediated by a redundancy of residues capable of charge neutralization
ChainB
Resolution2.98 Å
3D
structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Enzyme Commision number ?
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 DEQ B N97 I100 T161 F162 N96 I99 T160 F161 PDBbind-CN: -logKd/Ki=5.62,Kd=2.4uM
Gene Ontology
Molecular Function
GO:0003677 DNA binding
GO:0003700 DNA-binding transcription factor activity
Biological Process
GO:0045892 negative regulation of DNA-templated transcription

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:3btj, PDBe:3btj, PDBj:3btj
PDBsum3btj
PubMed18616285
UniProtP0A0N3|QACR_STAAM HTH-type transcriptional regulator QacR (Gene Name=qacR)

[Back to BioLiP]