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=3.659 IC/col=0.610 n_of_columns=6 specificity:   
A |  19   6  96  84  24  12
C |   6   6   0   6  24   6
G |   7  78   0   0  24  59
T |  64   6   0   6  24  19
scan!

Dendrogram of similar interfaces ?

matrix format
  
  --RT----IAQCNA----MG----   L                          +---1b72_A    
                                                        ! 
  --RT--QTVAQTNA----------   L                    +-----5     +8osb_E    
                                                  !     !   +-1 
  RART----VTKGNA------KA--   L                    !     +---2 +2lkx_A    
                                                +-6         ! 
  --RA----IAQTNA----------   L                  ! !         +5ego_B    
                                                ! ! 
  --RC----IAQCNA----YC----   L                  ! !       +-3rkq_B    
                                 +--------------7 +-------4 
  --RT----NT--NA----IARG--   L   !              !         +-1b72_B    
                                 !              ! 
  --------NCIC--RGRG------   L --8              !           +4xrm_B    
                                 !              +-----------3 
  ----RT--NT--NA----IARG--   L   !                          +4cyc_B    
                                 ! 
  ------------------YCFAKC   L   +--------------------------6pe2_B    
                               

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updated Sat Jan 10 04:28:35 2026