Structure of PDB 2kei Chain B

Receptor sequence
>2keiB (length=62) Species: 83333 (Escherichia coli K-12) [Search protein sequence]
MKPVTLYDVAEYAGVSYQTVSRVVNQASHVSAKTREKVEAAMAELNYIPN
RCAQQLAGKQSL
3D structure
PDB2kei Specificity and affinity of Lac repressor for the auxiliary operators O2 and O3 are explained by the structures of their protein-DNA complexes.
ChainB
ResolutionN/A
3D
structure
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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 dna B T5 L6 Y7 Y17 Q18 S21 N25 N50 A53 Q54 L56 A57 T5 L6 Y7 Y17 Q18 S21 N25 N50 A53 Q54 L56 A57 PDBbind-CN: Kd=0.05nM
BS02 dna B S16 Q18 R22 H29 S31 T34 L56 S16 Q18 R22 H29 S31 T34 L56 PDBbind-CN: Kd=0.05nM
Gene Ontology
Biological Process
GO:0006355 regulation of DNA-templated transcription

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Molecular Function
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Biological Process
External links
PDB RCSB:2kei, PDBe:2kei, PDBj:2kei
PDBsum2kei
PubMed19450607
UniProtP03023|LACI_ECOLI Lactose operon repressor (Gene Name=lacI)

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