Structure of PDB 1zrf Chain B Binding Site BS02

Receptor Information
>1zrf Chain B (length=200) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DPTLEWFLSHCHIHKYPSKSTLIHQGEKAETLYYIVKGSVAVLIKDEEGK
EMILSYLNQGDFIGELGLFEEGQERSAWVRAKTACEVAEISYKKFRQLIQ
VNPDILMRLSAQMARRLQVTSEKVGNLAFLDVTGRIAQTLLNLAKQPDAM
THPDGMQIKITRQEIGQIVGCSRETVGRILKMLEDQNLISAHGKTIVVYG
Ligand information
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB1zrf Indirect readout of DNA sequence at the primary-kink site in the CAP-DNA complex: recognition of pyrimidine-purine and purine-purine steps.
Resolution2.1 Å
Binding residue
(original residue number in PDB)		D138 V139 C178 S179 E181 T182 G200 K201
Binding residue
(residue number reindexed from 1)		D131 V132 C171 S172 E174 T175 G193 K194
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0003677 DNA binding
GO:0003680 minor groove of adenine-thymine-rich DNA binding
GO:0003700 DNA-binding transcription factor activity
GO:0005515 protein binding
GO:0008301 DNA binding, bending
GO:0030552 cAMP binding
GO:0042802 identical protein binding
GO:0043565 sequence-specific DNA binding
Biological Process
GO:0006351 DNA-templated transcription
GO:0006355 regulation of DNA-templated transcription
GO:0045013 carbon catabolite repression of transcription
GO:0045892 negative regulation of DNA-templated transcription
GO:0045893 positive regulation of DNA-templated transcription
Cellular Component
GO:0005829 cytosol
GO:0032993 protein-DNA complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1zrf, PDBe:1zrf, PDBj:1zrf
PDBsum1zrf
PubMed16427082
UniProtP0ACJ8|CRP_ECOLI DNA-binding transcriptional dual regulator CRP (Gene Name=crp)

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