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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 1 STICKY BASES AND 5' TERMINAL PHOSPHATES.
(Replication initiation protein)
referenceSlaughter et al.
sourceEscherichia coli K-12
experimentX-ray (resolution=3.11, R-factor=0.217)
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=14.479 IC/col=0.689 n_of_columns=21 specificity:   
A |  87  14  24   8   0   0   0  96   0  96  24  24  24  24   8   0   5  24  24   8  92
C |   1  58  24   8   0   0   0   0  96   0  24  24  24  24   8  96  91  24  24  70   0
G |   4  12  24  10  96   0  96   0   0   0  24  24  24  24  75   0   0  24  24   8   4
T |   4  12  24  70   0  96   0   0   0   0  24  24  24  24   5   0   0  24  24  10   0
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updated Sat Jan 10 02:12:25 2026