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structure nameSTRUCTURAL MECHANISMS OF CAMPTOTHECIN RESISTANCE BY MUTATIONS IN HUMAN TOPOISOMERASE I
(DNA topoisomerase I)
referenceChrencik et al. J.Mol.Biol. 339 773 2004
sourceHomo sapiens
experimentX-ray (resolution=2.30, R-factor=0.278)
structural superfamilyEukaryotic DNA topoisomerase I, N-terminal DNA-binding fragment;DNA breaking-rejoining enzymes;Eukaryotic DNA topoisomerase I, dispensable insert domain;
sequence familyEukaryotic DNA topoisomerase I, DNA bind; Eukaryotic DNA topoisomerase I, catalyti;
reference complex1a31_A
links to other resourcesNAKB PDBSum PDIdb DNAproDB
protein sequence
interface signatureERKYMKNKF

Estimated binding specificities ?

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# IC=5.147 IC/col=0.468 n_of_columns=11 specificity:   
A |   0  24  24  24  24  24   0  69  26  96   8
C |   0  24  24  24  24  24  96   2   8   0   8
G |   0  24  24  24  24  24   0   8  10   0  19
T |  96  24  24  24  24  24   0  17  52   0  61
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updated Sat Aug 2 01:48:19 2025