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=4.612 IC/col=0.769 n_of_columns=6 specificity:   
A |   4   4  16   0   0  87
C |   4  20  12  20   0   0
G |   5  66  20   0   0   4
T |  83   6  48  76  96   5
scan!

Dendrogram of similar interfaces ?

matrix format
  
  ----------------NAST--RGHT--STLT----------   L                             +-7cby_C    
                                                                        +----1 
  ----------------NAST--RGHT--STFT----------   L               +--------4    +-1vtn_C    
                                                               !        ! 
  ------ST--------NAST--RTHT--STLT----------   L        +------6        +------4lg0_A    
                                                        !      ! 
  RT--LA--NTHGTTETYTRG----------------------   L     +--7      +---------------1f4k_B    
                                                     !  ! 
  ----------RGSTRTSTHG------------------RA--   L     !  !                    +-3zpl_B    
                                                   +-8  +--------------------2 
  ------------------RC----YG----------------       ! !                       +-2acj_B    
                                                   ! ! 
  ------ST--------NAST--RTHT--ST------------   L   ! !              +----------3l2c_A    
                                                 --9 +--------------5 
  --------------------NTRGSTAT--RA----------   L   !                +----------2o6g_G    
                                                   ! 
  --TT--------KATTQTTG----LTRT----KA------FT   L   !                    +-----2p7c_B    
                                                   +--------------------3 
  ----------------------------------KGKG----   L                        +-----5xfq_A    
                                                 

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updated Mon Jun 29 14:58:43 2026