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structure nameISORETICULAR, INTERPENETRATING CO-CRYSTAL OF REPLICATION INITIATOR PROTEIN REPE54 AND SYMMETRICAL EXPANDED DUPLEX (31MER) CONTAINING THE COGNATE REPE54 SEQUENCE AND AN ADDITIONAL G-C RICH SEQUENCE WITH 2 STICKY BASE OVERHANGS AND 5' TERMINAL PHOSPHATES AND CROSSLINKED WITH EDC.
(Replication initiation protein)
referenceSlaughter et al.
sourceEscherichia coli K-12
experimentX-ray (resolution=3.24, R-factor=0.197)
structural superfamily"Winged helix" DNA-binding domain;
sequence familyInitiator Replication protein;
multimeric complexes2z9o_AB
reference complex8ac8_C
links to other resourcesNAKB PDBSum PDIdb DNAproDB
protein sequence
interface signatureSAESKRRSYRPDRRR

Estimated binding specificities ?

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# IC=15.928 IC/col=0.758 n_of_columns=21 specificity:   
A |   0   4   4  24   0   0   8  24  24  24  24   0   0   4   0  96   0  64  24   0   8
C |   4   4   0  24   0   0  68  24  24  24  24   0   0   4  96   0  96   8  24   0  12
G |   0  84   0  24  96  96  12  24  24  24  24   0  96   4   0   0   0  12  24  96  12
T |  92   4  92  24   0   0   8  24  24  24  24  96   0  84   0   0   0  12  24   0  64
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updated Sat Jan 10 02:15:43 2026