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structure nameCRYSTAL STRUCTURE OF ATARR1-DBD IN COMPLEX WITH A DNA FRAGMENT
(Two-component response regulator ARR1)
referenceZhou et al. Proc.Natl.Acad.Sci.USA 121 e2319335121 2024
sourceArabidopsis thaliana
experimentX-ray (resolution=2.35, R-factor=0.199)
structural superfamilyHomeodomain-like;
sequence familyMyblike DNAbinding domain;
multimeric complexes8xas_AEF 8xas_BCD
links to other resourcesNAKB PDBSum PDIdb DNAproDB
protein sequence
interface signatureRREASQK

Estimated binding specificities ?

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# IC=4.853 IC/col=0.971 n_of_columns=5 specificity:   
A |   0  76   0  19  96
C |   0   0   0  19   0
G |  96  19   0  20   0
T |   0   1  96  38   0
scan!

Dendrogram of similar interfaces ?

matrix format
  
  RT--------QTVAQTNA------   L                                     +8osb_E    
                                                                +--2 
  ------------VTKGNA--KA--   L                         +--------3  +2lkx_A    
                                                       !        ! 
  RT----------IAQCNAMG----   L                    +----4        +--1b72_A    
                                                  !    ! 
  ------------NCRG--------   L               +----5    +-----------4xrm_B    
                                             !    ! 
  RC----------IAQCNAYC----   L          +----6    +----------------3rkq_B    
                                        !    ! 
  ------------NCITNARGRG--   L          !    !                     +6fqq_E    
                                     +--7    +---------------------1 
  --RT--------NT--NAIARG--   L       !  !                          +4cyc_B    
                                   +-8  ! 
  ------------VTCCNAQA--RT   L     ! !  +--------------------------8g87_X    
                                 +-9 ! 
  --------NG--NA----------   L   ! ! +-----------------------------2kdz_A    
                               -10 ! 
  ----NGRGKGSGSAQAVC------   L   ! +-----------------------------5no6_N    
                                 !  
  --------RGDTVTSTRG------   L   +-----------------------------6lxn_A    
                               

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updated Tue Jun 30 18:58:20 2026