interface graph thumbnail
legend  pdf

structure nameCRYSTAL STRUCTURE OF A MYCOBACTERIOPHAGE CLUSTER A2 IMMUNITY REPRESSOR:DNA COMPLEX
(Immunity repressor)
referenceTerwilliger et al. 'Nat 13 4105 2022
sourceMycobacterium phage TipsytheTRex
experimentX-ray (resolution=2.79, R-factor=0.203)
structural superfamilySigma3 and sigma4 domains of RNA polymerase sigma factors;
redundant complexes7r6r_A
links to other resourcesNAKB PDBSum PDIdb DNAproDB
protein sequence
interface signatureTRQASWKDKKQR

Estimated binding specificities ?

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# IC=15.812 IC/col=1.054 n_of_columns=15 specificity:   
A |   3   3   9   0   0  96   0  69   0   0   0  63   0   0   0
C |  10  80   3   5   0   0  93  11   0  96  96   7  96  96   0
G |  80   3  19   3  96   0   3  11  96   0   0   3   0   0  96
T |   3  10  65  88   0   0   0   5   0   0   0  23   0   0   0
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updated Sun Aug 3 18:39:20 2025