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structure nameHEME SENSOR PROTEIN PEFR FROM STREPTOCOCCUS AGALACTIAE BOUND TO OPERATOR DNA (28-MER)
(HTH marR-type domain-containing protein)
referenceNishinaga et al. 'Commun 4 467 2021
sourceStreptococcus agalactiae serotype III (strain NEM316) / Streptococcus agalactiae serotype III (strain NEM316)
experimentX-ray (resolution=2.49, R-factor=0.219)
structural superfamily"Winged helix" DNA-binding domain;
sequence familyMarR family;
multimeric complexes7dvv_AB
links to other resourcesNAKB PDBSum PDIdb DNAproDB
protein sequence
interface signatureSKSVSNKRR

Estimated binding specificities ?

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# IC=8.802 IC/col=0.978 n_of_columns=9 specificity:   
A |  14  73   0  96  96   0   7  96   8
C |  14   7   0   0   0  96  14   0   0
G |  51   9   0   0   0   0  14   0   0
T |  17   7  96   0   0   0  61   0  88
scan!

Dendrogram of similar interfaces ?

matrix format
  
  ------STKGSTVA--STNT----KTRC------RT------   L                                              +7dvv_A    
                                                                               +--------------3 
  --------RGSTRT--STHG--------------RA------   L                               !              +3zpl_B    
                                                                            +--9 
  ------DCSA--TA--TT--------RT------RA------   L                            !  !               +1z9c_A    
                                                                         +-11  +---------------2 
  --NT--KTPTQGSC--NTKA----------------RT----                             !  !                  +5bmz_B    
                                                                         !  !  
  ----------------------------------RT------                         +--13  +------------------3gfi_A    
                                                                     !   !  
  ------DCLT--AG--TTRG------RG------RA------   L                     !   !                   +5h3r_A    
                                                                  +-14   +-------------------4 
  --------RGTCTA----RGNT------------RT------   L                  !  !                       +4fx4_B    
                                                                  !  !  
  ------STPTATAT--TTKG----------------------   L                  !  !       +----------------5yi2_J    
                                                                  !  +------10  
  ------------------RC----YG----KT----------                   +-17          +----------------2acj_B    
                                                               !  !  
  ----------QC------------------------------                   !  !            +--------------5hso_A    
                                                               !  !  +---------6 
  ------HT--STAT--STRG----------------------   L               !  !  !         +--------------5lej_A    
                                                               !  +-15  
  --TT------KATT--QTTG----LTRTKA--------FTYT   L            +-19     !              +---------2p7c_B    
                                                            !  !     !    +---------5 
  --------KTTC--KGTCHT--ST------------------   L            !  !     +---12         +---------7ve5_B    
                                                            !  !          !  
  ------SGRGPT----SGRG----------------------   L            !  !          +-------------------7bhy_A    
                                                            !  !  
  ------TCLA--TC--TTTT--------------RT------   L            !  !           +--------------6jbx_A    
                                                         +-20  +-----------7 
  ------------------------YG----------------             !  !              +--------------3eyi_B    
                                                         !  !  
  --------------------RA--------------------   L         !  !     +-------------------------4kdp_B    
                                                         !  !     !  
  YA----PTATPARA--YA------------------------   L         !  !  +-16                         +5bpd_A    
                                                      +-21  !  !  !          +--------------1 
  ------------------------YGRG--------------          !  !  !  !  +----------8              +4wcg_A    
                                                      !  !  +-18             ! 
  ------------------RG----YG----------------          !  !     !             +--------------1qbj_C    
                                                   +-22  !     !  
  --ST--STQAQGST--SART------------KT--------   L   !  !  !     +--------------------------5trd_B    
                                                   !  !  !  
  --FGNATTQGKGIG--VT----------------PC------   L -23  !  +----------------------------7bzg_B    
                                                   !  !  
  ------ST--PTTC----QG------RG--------------   L   !  +----------------------------1f5t_A    
                                                   !  
  ------------------------YG----------------       +----------------------------1sfu_A    
                                                 

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updated Tue Dec 19 18:02:44 2023