interface graph thumbnail
legend  pdf

structure nameREFINED 1.8 ANGSTROM CRYSTAL STRUCTURE OF THE LAMBDA REPRESSOR- OPERATOR COMPLEX
referenceBeamer et al.
sourceENTEROBACTERIA PHAGE LAMBDA
experimentX-ray (resolution=1.80, R-factor=?)
structural superfamilylambda repressor-like DNA-binding domains;
reference complex1lmb_4
links to other resourcesNAKB PDBSum PDIdb DNAproDB
protein sequence
interface signatureEQSN/KKEQSN

Estimated binding specificities ?

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# IC=14.783 IC/col=0.870 n_of_columns=17 specificity:   
A |   0  96  12   0  68   0   0   0  12  24  76   0  24   8  24   0  84
C |   0   0   8  96  12  96  96   0  84  24   8   0  24   0  24   0   4
G |   0   0   8   0   8   0   0  96   0  24   8   4  24  84  24   0   4
T |  96   0  68   0   8   0   0   0   0  24   4  92  24   4  24  96   4
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updated Sun Jan 4 21:51:23 2026