Structure of PDB 1cqt Chain B Binding Site BS02

Receptor Information
>1cqt Chain B (length=129) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DLEELEQFAKTFKQRRIKLGFTQGDVGLAMGKLYNDFSQTTISRFEALNL
SFKNMCKLKPLLEKWLNDAERKKRTSIETNIRVALEKSFLENQKTSEEIT
MIADQLNMEKEVIRVWFCNRRQKEKRINP
Ligand information
Receptor-Ligand Complex Structure
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PDB1cqt Crystal structure of an OCA-B peptide bound to an Oct-1 POU domain/octamer DNA complex: specific recognition of a protein-DNA interface.
Resolution3.2 Å
Binding residue
(original residue number in PDB)
D541 F542 S543 T545 T546 R549 S556 N559 K562 R602 R605 S607 Q654 K657
Binding residue
(residue number reindexed from 1)
D36 F37 S38 T40 T41 R44 S51 N54 K57 R71 R74 S76 Q122 K125
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0000981 DNA-binding transcription factor activity, RNA polymerase II-specific
GO:0003677 DNA binding
GO:0003700 DNA-binding transcription factor activity
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:1cqt, PDBe:1cqt, PDBj:1cqt
PDBsum1cqt
PubMed10541551
UniProtP14859|PO2F1_HUMAN POU domain, class 2, transcription factor 1 (Gene Name=POU2F1)

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