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structure nameTHE HOMING ENDONUCLEASE I-WCAI BOUND TO ITS DNA RECOGNITION SEQUENCE
(Probable intron-encoded endonuclease 1)
referenceNawimanage et al. J.Mol.Biol. 434 167550 2022
sourceWickerhamomyces canadensis
experimentX-ray (resolution=1.95, R-factor=0.229)
structural superfamilyHoming endonucleases;
sequence familyLAGLIDADG DNA endonuclease family;
links to other resourcesNAKB PDBSum PDIdb DNAproDB
protein sequence
interface signaturePNYKLRQEYRNHVTRQDYHQNK

Estimated binding specificities ?

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# IC=14.865 IC/col=0.826 n_of_columns=18 specificity:   
A |   1  24   2   0   0  96  24  24  59   0  96   0   4  24   4  79  73   0
C |   4  24   4   0   0   0  24  24   4  96   0   0   0  24   6   9  10   0
G |   0  24  86  96  96   0  24  24  22   0   0  96  92  24   9   4   4   0
T |  91  24   4   0   0   0  24  24  11   0   0   0   0  24  77   4   9  96
scan!

Dendrogram of similar interfaces ?

matrix format
  
  PTNTYGRGRGQGEC------KTRGVAQC------DTYCNTNCQC------NGKG--------   L     +-----------------------------1r7m_B    
                                                                       +-2 
  ----------------------------CA--FT----------YTLAKG----FTWC--TT   L   ! !                            +6uw0_B    
                                                                     --3 +----------------------------1 
  ----------QT----------------SAKG----------------YC------RTEAVG   L   !                              +4yis_A    
                                                                       ! 
  --------------NCKGRA------------------------------------------   L   +-----------------------------2ayg_A    
                                                                     

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updated Sat Jan 10 13:05:22 2026