Structure of PDB 4ibu Chain B Binding Site BS02

Receptor Information
>4ibu Chain B (length=198) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SSSVPSQKTYQGSYGFRLGFLHSGTAKSVTCTYSPALNKMFCQLAKTCPV
QLWVDSTPPPGTRVRAMAIYKQSQHMTEVVRRCPHHERCSDSDGLAPPQH
LIRVEGNLRVEYLDDRNTFRHSVVVPYEPPEVGSDCTTIHYNYMCNSSCM
GGMNRRPILTIITLEDSSGNLLGRNSFEVCVCACPGRDRRREEENLRK
Ligand information
Receptor-Ligand Complex Structure
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PDB4ibu Structural studies of p53 inactivation by DNA-contact mutations and its rescue by suppressor mutations via alternative protein-DNA interactions.
Resolution1.7 Å
Binding residue
(original residue number in PDB)
A119 K120 R248
Binding residue
(residue number reindexed from 1)
A26 K27 R155
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0000976 transcription cis-regulatory region binding
GO:0003677 DNA binding
GO:0003700 DNA-binding transcription factor activity
Biological Process
GO:0006355 regulation of DNA-templated transcription
GO:0006915 apoptotic process
Cellular Component
GO:0005634 nucleus

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:4ibu, PDBe:4ibu, PDBj:4ibu
PDBsum4ibu
PubMed23863845
UniProtP04637|P53_HUMAN Cellular tumor antigen p53 (Gene Name=TP53)

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