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structure nameTHE GCN4 BASIC REGION LEUCINE ZIPPER BINDS DNA AS A DIMER OF UNINTERRUPTED ALPHA HELICES: CRYSTAL STRUCTURE OF THE PROTEIN-DNA COMPLEX
(PROTEIN GCN4)
referenceEllenberger et al.
sourceSACCHAROMYCES CEREVISIAE
experimentX-ray (resolution=2.90, R-factor=0.230)
structural superfamilyLeucine zipper domain;
sequence familybZIP transcription factor; Basic region leucine zipper;
multimeric complexes1ysa_CD
reference complex2dgc_A
links to other resourcesNAKB PDBSum PDIdb DNAproDB
protein sequence
interface signatureKNTAAR

Estimated binding specificities ?

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# IC=3.871 IC/col=0.645 n_of_columns=6 specificity:   
A |  66  24   7   0  81   7
C |   7  24   7  96   1   7
G |  23  24   7   0   7   9
T |   0  24  75   0   7  73
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updated Sun Jun 28 05:04:53 2026