1zq3_P : 3D-footprint complex

structure name	NMR SOLUTION STRUCTURE OF THE BICOID HOMEODOMAIN BOUND TO THE CONSENSUS DNA BINDING SITE TAATCC (HOMEOTIC BICOID PROTEIN)
source	DROSOPHILA MELANOGASTER
experiment	NMR
structural superfamily	Homeodomain-like;
sequence family	Homeobox domain;
links to other resources	NAKB PDIdb DNAproDB
protein sequence	> 1zq3_P interface=4,48,51,52,55,56, gprRtrttftssqiaeleqhflqgryltaprladlsaklalgtaqvkIwfKNrrRRhkiqsdqhkdqs
interface signature	RIKNRR

Estimated binding specificities ?

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# IC=8.472 IC/col=1.059 n_of_columns=8

specificity:

A |   0   0  96  54   0   0   0  13
C |  96   0   0  13   0  96  96  57
G |   0   0   0  16   0   0   0  13
T |   0  96   0  13  96   0   0  13

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Related DNA sequences reported in the literature ?

site	source	matches (E-value)
term: BICOID
TAATCC	PubMed	1zq3_P(3.74e-09)
TAATCCC	PubMed	1zq3_P(1.48e-07)

Dendrogram of similar interfaces ?

matrix format

  
  --RT--QTVAQTNA------   L                              +8osb_E    
                                                 +------1 
  RART----VTKGNA--KA--   L                       !      +2lkx_A    
                                            +----5 
  --------NCICNARGRG--   L                  !    !       +4xrm_B    
                                            !    !     +-2 
  --------NCITNARGRG--   L                  !    +-----3 +6fqq_E    
                             +--------------6          ! 
  ----RT--NT--NAIARG--   L   !              !          +4cyc_B    
                             !              ! 
  --RT----IAQCNAMG----   L --7              !      +----1b72_A    
                             !              +------4 
  --RC----IAQCNAYC----   L   !                     +----3rkq_B    
                             ! 
  --------------YCFAKC   L   +--------------------------6pe2_B

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updated Mon Jun 29 14:53:01 2026