Structure of PDB 2h3a Chain A Binding Site BS02

Receptor Information
>2h3a Chain A (length=72) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MKQRITVTVDSDSYQLLKAYDVNISGLVSTTMQNEARRLRAERWKVENQE
GMVEVARFIEMNGSFADENKDW
Ligand information
Receptor-Ligand Complex Structure
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PDB2h3a Structural Basis for Nucleic Acid and Toxin Recognition of the Bacterial Antitoxin CcdA
ResolutionN/A
Binding residue
(original residue number in PDB)		M1 K2 R4 N23 S25
Binding residue
(residue number reindexed from 1)		M1 K2 R4 N23 S25
Binding affinityPDBbind-CN: Kd=149uM
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0003677 DNA binding
GO:0005515 protein binding
GO:0097351 toxin sequestering activity
Biological Process
GO:0032984 protein-containing complex disassembly
GO:0045892 negative regulation of DNA-templated transcription
Cellular Component
GO:0017053 transcription repressor complex
GO:0110001 toxin-antitoxin complex

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Biological Process
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Cellular Component
External links
PDB RCSB:2h3a, PDBe:2h3a, PDBj:2h3a
PDBsum2h3a
PubMed17007877
UniProtP62552|CCDA_ECOLI Antitoxin CcdA (Gene Name=ccdA)

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