interface graph thumbnail
legend  pdf

structure nameCRYSTAL STRUCTURE OF TYPE II RESTRCITION ENDONUCLEASE, ECOO109I COMPLEXED WITH COGNATE DNA
referenceHashimoto et al. J.Biol.Chem. 280 5605 2005
sourceESCHERICHIA COLI
experimentX-ray (resolution=1.90, R-factor=?)
structural superfamilyRestriction endonuclease-like;
reference complex1wte_A
links to other resourcesNAKB PDBSum PDIdb DNAproDB
protein sequence
interface signatureTTKWTQLMDK/TTTKWTQLMDK

Estimated binding specificities ?

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# IC=7.525 IC/col=1.075 n_of_columns=7 specificity:   
A |   0   0   0  19   0   0   0
C |   0   0   0  39  96  96  19
G |  96  96  96  19   0   0   1
T |   0   0   0  19   0   0  76
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updated Mon Jan 5 00:00:34 2026