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structure nameCO-CRYSTAL STRUCTURE OF THE HNF-3/FORK HEAD DNA-RECOGNITION MOTIF RESEMBLES HISTONE H5
(HNF-3FORK HEAD DNA-RECOGNITION MOTIF)
referenceBurley et al. Nature 364 412 1993
sourceHomo sapiens
experimentX-ray (resolution=2.50, R-factor=0.211)
structural superfamily"Winged helix" DNA-binding domain;
sequence familyFork head domain;
links to other resourcesNAKB PDBSum PDIdb DNAproDB
protein sequence
interface signatureNSRHSFRR

Estimated binding specificities ?

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# IC=6.529 IC/col=0.725 n_of_columns=9 specificity:   
A |   0   0  52  24  24   0  17  96  61
C |  96   0   8  24  24   0  71   0   8
G |   0   0  17  24  24   0   0   0  19
T |   0  96  19  24  24  96   8   0   8
scan!

Related DNA sequences reported in the literature ?


sitesourcematches (E-value)
term: HNF-3
TGGACTTAGTTCAPubMed1vtn_C(2.16e-03)

Dendrogram of similar interfaces ?

matrix format
  
  --NASTRGHT--STFT--------RTRA   L                       +------1vtn_C    
                                           +-------------1 
  --NASTRTHT--STLT------------   L     +---2             +------4lg0_A    
                                       !   ! 
  ----RC--YG--------KT--------       +-3   +--------------------2acj_B    
                                     ! ! 
  KT--RG--RGYA----KA----------   L --4 +------------------------5jvt_A    
                                     ! 
  --------------------KGKG----   L   +-------------------------5xfq_A    
                                   

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updated Mon Jun 29 14:45:52 2026