interface graph thumbnail
legend  pdf

structure nameCRYSTAL STRUCTURE OF THE BLAI REPRESSOR IN COMPLEX WITH DNA
(penicillinase repressor)
referenceMusayev et al. J.Bacteriol. 187 1833 2005
sourceStaphylococcus aureus
experimentX-ray (resolution=2.70, R-factor=0.237)
structural superfamily"Winged helix" DNA-binding domain;
sequence familyPenicillinase repressor;
links to other resourcesNAKB PDBSum PDIdb DNAproDB
protein sequence
interface signatureKTTR

Estimated binding specificities ?

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# IC=5.268 IC/col=0.878 n_of_columns=6 specificity:   
A |   4   0   0  96  12  16
C |   4   0   0   0  12  16
G |   4  96   0   0  60  19
T |  84   0  96   0  12  45
scan!

Dendrogram of similar interfaces ?

matrix format
  
  TT------KATTQTTG----LTRT----KA--FTYT   L                          +-------2p7c_B    
                                                                 +--3 
  --------DCKT--RG----RGYA----KA------   L         +-------------4  +-------5jvt_A    
                                                   !             ! 
  ------------NAST--RGHT--STFT--------   L         !             +----------1vtn_C    
                                                 +-7 
  ------RGSTRTSTHG----------------RA--   L       ! !        +---------------3zpl_B    
                                                 ! +--------5 
  ------------NAST--RTHT--ST----------   L       !          !               +3l2c_A    
                                             +---8          +---------------2 
  --ST--------NAST--RTHT--STLT--------   L   !   !                          +4lg0_A    
                                             !   ! 
  ----DCLT--AGTTRG------RG--------RA--   L   !   !                         +5h3r_A    
                                           --9   !        +----------------1 
  --------------RC----YG--------KT----       !   +--------6                +2acj_B    
                                             !            ! 
  --------------------YG--------------       !            +----------------3eyi_B    
                                             ! 
  --------DCKT--RGST--RGYA------------   L   +-----------------------------4bnc_A    
                                           

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updated Mon Jun 29 14:48:26 2026