2A07

Crystal Structure of Foxp2 bound Specifically to DNA.

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.90 Å
  • R-Value Free: 0.244 
  • R-Value Work: 0.222 
  • R-Value Observed: 0.222 

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This is version 1.3 of the entry. See complete history. 


Literature

Structure of the Forkhead Domain of FOXP2 Bound to DNA.

Stroud, J.C., Wu, Y., Bates, D.L., Han, A., Nowick, K., Paabo, S., Tong, H., Chen, L.

(2006) Structure 14: 159-166

  • DOI: https://doi.org/10.1016/j.str.2005.10.005
  • Primary Citation of Related Structures:  
    2A07

  • PubMed Abstract: 

    • FOXP (FOXP1-4) is a newly defined subfamily of the forkhead box (FOX) transcription factors. A mutation in the FOXP2 forkhead domain cosegregates with a severe speech disorder, whereas several mutations in the FOXP3 forkhead domain are linked to the IPEX syndrome in human and a similar autoimmune phenotype in mice ...

    FOXP (FOXP1-4) is a newly defined subfamily of the forkhead box (FOX) transcription factors. A mutation in the FOXP2 forkhead domain cosegregates with a severe speech disorder, whereas several mutations in the FOXP3 forkhead domain are linked to the IPEX syndrome in human and a similar autoimmune phenotype in mice. Here we report a 1.9 A crystal structure of the forkhead domain of human FOXP2 bound to DNA. This structure allows us to revise the previously proposed DNA recognition mechanism and provide a unifying model of DNA binding for the FOX family of proteins. Our studies also reveal that the FOXP2 forkhead domain can form a domain-swapped dimer, made possible by a strategic substitution of a highly conserved proline in conventional FOX proteins with alanine in the P subfamily. Disease-causing mutations in FOXP2 and FOXP3 map either to the DNA binding surface or the domain-swapping dimer interface, functionally corroborating the crystal structure.

    Organizational Affiliation: 

    Department of Chemistry and Biochemistry, University of Colorado at Boulder, Colorado 80309, USA.



Macromolecules

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Entity ID: 3
MoleculeChainsSequence LengthOrganismDetailsImage
Forkhead box protein P293Homo sapiensMutation(s): 1 
Gene Names: FOXP2, CAGH44, TNRC10
UniProt & NIH Common Fund Data Resources
Find proteins for O15409 (Homo sapiens)
Explore O15409 
Go to UniProtKB:  O15409
PHAROS:  O15409
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupO15409
Protein Feature View
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  • Reference Sequence

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Entity ID: 1
MoleculeChainsLengthOrganismImage
5'-D(*AP*AP*CP*TP*AP*TP*GP*AP*AP*AP*CP*AP*AP*AP*TP*TP*TP*TP*CP*CP*T)-3'A, C21N/A
Protein Feature View
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  • Reference Sequence

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Entity ID: 2
MoleculeChainsLengthOrganismImage
5'-D(*TP*TP*AP*GP*GP*AP*AP*AP*AP*TP*TP*TP*GP*TP*TP*TP*CP*AP*TP*AP*G)-3'B, D21N/A
Protein Feature View
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  • Reference Sequence
Small Molecules
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.90 Å
  • R-Value Free: 0.244 
  • R-Value Work: 0.222 
  • R-Value Observed: 0.222 
  • Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 67.542α = 90
b = 124.21β = 110.81
c = 67.666γ = 90
Software Package:
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
CNSrefinement
CNSphasing

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2006-01-31
    Type: Initial release
  • Version 1.1: 2008-04-30
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2021-10-20
    Changes: Database references, Derived calculations