Structure of PDB 6ido Chain B

Receptor sequence
>6idoB (length=77) Species: 83333,272620 [Search protein sequence]
QSIVKWLFELNAKQREVLARRFGLLGYEAATLEDVGREIGLTRERVRQIQ
VEGLRRLREILQGTQLTPEEKLLRAIF
3D structure
PDB6ido Structural basis for -35 element recognition by sigma4chimera proteins and their interactions with PmrA response regulator.
ChainB
Resolution3.748 Å
3D
structure
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Enzymatic activity
Enzyme Commision number ?
2.7.7.6: DNA-directed RNA polymerase.
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 dna B R37 T47 L48 R59 R63 R21 T31 L32 R43 R47 PDBbind-CN: Kd=1.3uM
BS02 dna B L57 T58 E60 R61 Q64 L41 T42 E44 R45 Q48 PDBbind-CN: Kd=1.3uM
Gene Ontology
Molecular Function
GO:0003700 DNA-binding transcription factor activity
Biological Process
GO:0006352 DNA-templated transcription initiation
GO:0006355 regulation of DNA-templated transcription

View graph for
Molecular Function

View graph for
Biological Process
External links
PDB RCSB:6ido, PDBe:6ido, PDBj:6ido
PDBsum6ido
PubMed31293000
UniProtA6TGP0;
P13445|RPOS_ECOLI RNA polymerase sigma factor RpoS (Gene Name=rpoS)

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