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

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updated Sat Jan 10 05:03:30 2026