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structure nameSOLUTION STRUCTURE OF A DIMERIC LACTOSE DNA-BINDING DOMAIN COMPLEXED TO A NONSPECIFIC DNA SEQUENCE
(LACTOSE OPERON REPRESSOR)
sourceESCHERICHIA COLI
experimentNMR
structural superfamilylambda repressor-like DNA-binding domains;
sequence familyBacterial regulatory proteins, lacI family;
multimeric complexes1cjg_AB 1efa_AB 1jwl_AB 1l1m_AB 1lbg_AB 1lbg_CD 1osl_AB 2bjc_AB 2kei_AB 2kej_AB 2kek_AB 2pe5_AB
reference complex1l1m_B
links to other resourcesNAKB PDBSum PDIdb DNAproDB
protein sequence
interface signatureYSYQRK

Estimated binding specificities ?

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# IC=5.138 IC/col=0.642 n_of_columns=8 specificity:   
A |  96   5  24  96   0  46  24  35
C |   0   5  24   0   0  20  24  16
G |   0   1  24   0  96   5  24  25
T |   0  85  24   0   0  25  24  20
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updated Sun Jun 28 04:10:06 2026