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structure nameSTRUCTURE OF THE COMPLEX OF LAC REPRESSOR HEADPIECE AND AN 11 BASE- PAIR HALF-OPERATOR DETERMINED BY NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY AND RESTRAINED MOLECULAR DYNAMICS
(LAC 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
redundant complexes1lcd
reference complex1l1m_B
links to other resourcesNAKB PDBSum PDIdb DNAproDB
protein sequence
interface signatureYYQTSRQHN

Estimated binding specificities ?

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# IC=8.887 IC/col=0.987 n_of_columns=9 specificity:   
A |   9   9   2   0   0  96   0  78  82
C |  75   6  82   0  96   0  96   6   6
G |   6  75   6   0   0   0   0   6   8
T |   6   6   6  96   0   0   0   6   0
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updated Thu Jan 8 18:15:44 2026