Structure of PDB 2kek Chain A

Receptor sequence
>2kekA (length=62) Species: 83333 (Escherichia coli K-12) [Search protein sequence]
MKPVTLYDVAEYAGVSYQTVSRVVNQASHVSAKTREKVEAAMAELNYIPN
RCAQQLAGKQSL
3D structure
PDB2kek Specificity and affinity of Lac repressor for the auxiliary operators O2 and O3 are explained by the structures of their protein-DNA complexes.
ChainA
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 A S16 Y17 Q18 R22 H29 S31 L56 A57 K59 S16 Y17 Q18 R22 H29 S31 L56 A57 K59 PDBbind-CN: Kd=100nM
BS02 dna A T5 L6 Y7 Q18 S21 N25 Y47 P49 N50 A53 Q54 A57 G58 Q60 T5 L6 Y7 Q18 S21 N25 Y47 P49 N50 A53 Q54 A57 G58 Q60 PDBbind-CN: Kd=100nM
Gene Ontology
Biological Process
GO:0006355 regulation of DNA-templated transcription

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External links
PDB RCSB:2kek, PDBe:2kek, PDBj:2kek
PDBsum2kek
PubMed19450607
UniProtP03023|LACI_ECOLI Lactose operon repressor (Gene Name=lacI)

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