interface graph thumbnail
legend  pdf

structure nameCRYSTAL STRUCTURE OF THE HUMAN FOXO3A-DBD BOUND TO DNA
(FORKHEAD BOX PROTEIN O3A)
referenceHuang et al. 'Nucleic 35 6984 2007
sourceHOMO SAPIENS
experimentX-ray (resolution=2.70, R-factor=0.242)
structural superfamily"Winged helix" DNA-binding domain;
sequence familyFork head domain;
links to other resourcesNAKB PDBSum PDIdb DNAproDB
protein sequence
interface signatureNSRHSR

Estimated binding specificities ?

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# IC=3.891 IC/col=0.648 n_of_columns=6 specificity:   
A |  13   7  19   0   6  88
C |  13   7  19   0   6   2
G |  14  74  19   0   6   2
T |  56   8  39  96  78   4
scan!

Related DNA sequences reported in the literature ?


sitesourcematches (E-value)
term: FOXO3A
GTAAACAPubMed2uzk_A(6.32e-06)
TTGTTTCAPubMed2uzk_A(6.38e-03)

Dendrogram of similar interfaces ?

matrix format
  
  ----ST------NASTRTHT--STLT----------   L                              +4lg0_A    
                                             +--------------------------1 
  ------------NASTRGHT--STFT----------   L   !                          +1vtn_C    
                                             ! 
  ----ST------NASTRTHT--ST------------   L   !                      +---3l2c_A    
                                             !                +-----3 
  ------------NASTRGHT--STLT----------   L   !        +-------4     +---7cby_C    
                                           --8        !       ! 
  --LA--NTTTETYTRG--------------------   L   !      +-5       +---------1f4k_B    
                                             !      ! ! 
  TT------KATTQTTG--LTRT----KA----FTYT   L   !  +---6 +-----------------2p7c_B    
                                             !  !   ! 
  --------STRTSTHG--------------RA----   L   !  !   !                 +-3zpl_B    
                                             +--7   +-----------------2 
  --------------RC--YG--------KT------          !                     +-2acj_B    
                                                ! 
  ------------RGNTRGSTAT--RA----------   L      +-----------------------2o6g_G    
                                           

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updated Mon Jun 29 15:39:44 2026