interface graph thumbnail
legend  pdf

structure nameCRYSTAL STRUCTURE OF INTERLEUKIN ENHANCER-BINDING FACTOR 1 BOUND TO DNA
(FORKHEAD BOX PROTEIN K2)
referenceChuang et al. J.Biol.Chem. 281 17400 2006
sourceHOMO SAPIENS
experimentX-ray (resolution=2.40, R-factor=0.233)
structural superfamily"Winged helix" DNA-binding domain;
sequence familyFork head domain;
multimeric complexes2c6y_AB
links to other resourcesNAKB PDBSum PDIdb DNAproDB
protein sequence
interface signatureNSRHSLKR

Estimated binding specificities ?

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# IC=5.178 IC/col=0.863 n_of_columns=6 specificity:   
A |   6  96  90  36  12  90
C |   0   0   0  18  60   0
G |   0   0   6  18   0   6
T |  90   0   0  24  24   0
scan!

Dendrogram of similar interfaces ?

matrix format
  
  ----------------NASTRGHT--STLT------   L                          +------7cby_C    
                                                                +---1 
  ------ST--------NASTRTHT--ST--------   L          +-----------2   +------3l2c_A    
                                                    !           ! 
  --TT--------KATTQTTG--LTRT----KA--FT   L        +-3           +----------2p7c_B    
                                                  ! ! 
  RT--LA--NTHGTTETYTRG----------------   L   +----4 +----------------------1f4k_B    
                                             !    ! 
  ----------RGSTRTSTHG------------RA--   L --5    +------------------------3zpl_B    
                                             ! 
  --------------SA----------------RG--       +-----------------------------2xcr_U    
                                           

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updated Sun Aug 3 06:09:36 2025