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=1.482 IC/col=0.247 n_of_columns=6 specificity:   
A |  15  76  52  35  20  43
C |  16   4   3  20  40  17
G |  15   8  39  21  16  19
T |  50   8   2  20  20  17
scan!

Dendrogram of similar interfaces ?

matrix format
  
  ----------------NAST--RGHT--STLT------   L                              +7cby_C    
                                                                    +-----1 
  ----------------NAST--RGHT--STFT------   L          +-------------3     +1vtn_C    
                                                      !             ! 
  ------ST--------NAST--RTHT--STLT------   L     +----5             +------4lg0_A    
                                                 !    ! 
  ----------RGSTRTSTHG--------------RA--   L     !    !                  +-3zpl_B    
                                               +-7    +------------------2 
  ------------------RC----YG------------       ! !                       +-2acj_B    
                                               ! ! 
  RT--LA--NTHGTTETYTRG------------------   L --8 +-------------------------1f4k_B    
                                               ! 
  ------ST--------NAST--RTHT--ST--------   L   !                +---------3l2c_A    
                                               !     +----------4 
  --------------------NTRGSTAT--RA------   L   +-----6          +---------2o6g_G    
                                                     ! 
  --TT--------KATTQTTG----LTRT----KA--FT   L         +--------------------2p7c_B    
                                             

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updated Sat Jan 10 05:10:14 2026