interface graph thumbnail
legend  pdf

structure namePBX1, HOMEOBOX PROTEIN HOX-B1/DNA TERNARY COMPLEX
(PROTEIN HOMEOBOX PROTEIN HOX-B1)
referenceBatchelor et al. 'Cell(Cambridge,Mass.)' 96 587 1999
sourceHOMO SAPIENS
experimentX-ray (resolution=2.35, R-factor=0.243)
structural superfamilyHomeodomain-like;
sequence familyHomeobox domain;
multimeric complexes1b72_AB
links to other resourcesNAKB PDBSum PDIdb DNAproDB
protein sequence
interface signatureRIQNM

Estimated binding specificities ?

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# IC=5.252 IC/col=0.875 n_of_columns=6 specificity:   
A |   6  24  42   0   0  90
C |  90  12   0   0  96   6
G |   0  36  30   0   0   0
T |   0  24  24  96   0   0
scan!

Dendrogram of similar interfaces ?

matrix format
  
  --RT----IAQCNA----MG----   L                          +---1b72_A    
                                                     +--4 
  --RT--QTVAQTNA----------   L                       !  !   +8osb_E    
                                                     !  +---1 
  RART----VTKGNA------KA--   L                       !      +2lkx_A    
                                               +-----5 
  --------NCIC--RGRG------   L                 !     !       +4xrm_B    
                                               !     !     +-2 
  --------NCITNA----RGRG--   L   +-------------6     +-----3 +6fqq_E    
                                 !             !           ! 
  ----RT--NT--NA----IARG--   L   !             !           +4cyc_B    
                               --7             ! 
  --RC----IAQCNA----YC----   L   !             +------------3rkq_B    
                                 ! 
  ------------------YCFAKC   L   +--------------------------6pe2_B    
                               

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updated Mon Jun 29 14:02:02 2026