PDB: 1lbg Compound: lactose operon repressor Classification: COMPLEX (TRANSCRIPTION REGULATION/DNA) Entry date in PDB: 1996-07-11 Resolution [Å]: 4.80 R-Factor: 0.260

CHAIN: A SWISS-PROT/TREMBL: P03023    KEYWORD: 3D-structure    Complete proteome    DNA-binding    Repressor    Transcription regulation    SCOP: a.35.1.5 All alpha proteins    lambda repressor-like DNA-binding domains    lambda repressor-like DNA-binding domains    GalR/LacI-like bacterial regulator    Lac repressor (LacR), N-terminal domain    Escherichia coli SCOP: c.93.1.1 Alpha and beta proteins (a/b)    Periplasmic binding protein-like I    Periplasmic binding protein-like I    L-arabinose binding protein-like    Lac-repressor (lacR) core (C-terminal domain)    Escherichia coli GO:  intracellular    transcription factor activity    regulation of transcription, DNA-dependent    CHAIN: B SWISS-PROT/TREMBL: P03023    KEYWORD: 3D-structure    Complete proteome    DNA-binding    Repressor    Transcription regulation    SCOP: a.35.1.5 All alpha proteins    lambda repressor-like DNA-binding domains    lambda repressor-like DNA-binding domains    GalR/LacI-like bacterial regulator    Lac repressor (LacR), N-terminal domain    Escherichia coli SCOP: c.93.1.1 Alpha and beta proteins (a/b)    Periplasmic binding protein-like I    Periplasmic binding protein-like I    L-arabinose binding protein-like    Lac-repressor (lacR) core (C-terminal domain)    Escherichia coli GO:  intracellular    transcription factor activity    regulation of transcription, DNA-dependent    CHAIN: C SWISS-PROT/TREMBL: P03023    KEYWORD: 3D-structure    Complete proteome    DNA-binding    Repressor    Transcription regulation    SCOP: a.35.1.5 All alpha proteins    lambda repressor-like DNA-binding domains    lambda repressor-like DNA-binding domains    GalR/LacI-like bacterial regulator    Lac repressor (LacR), N-terminal domain    Escherichia coli SCOP: c.93.1.1 Alpha and beta proteins (a/b)    Periplasmic binding protein-like I    Periplasmic binding protein-like I    L-arabinose binding protein-like    Lac-repressor (lacR) core (C-terminal domain)    Escherichia coli GO:  intracellular    transcription factor activity    regulation of transcription, DNA-dependent    CHAIN: D SWISS-PROT/TREMBL: P03023    KEYWORD: 3D-structure    Complete proteome    DNA-binding    Repressor    Transcription regulation    SCOP: a.35.1.5 All alpha proteins    lambda repressor-like DNA-binding domains    lambda repressor-like DNA-binding domains    GalR/LacI-like bacterial regulator    Lac repressor (LacR), N-terminal domain    Escherichia coli SCOP: c.93.1.1 Alpha and beta proteins (a/b)    Periplasmic binding protein-like I    Periplasmic binding protein-like I    L-arabinose binding protein-like    Lac-repressor (lacR) core (C-terminal domain)    Escherichia coli GO:  intracellular    transcription factor activity    regulation of transcription, DNA-dependent

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1jye A - percentage of sequence identity: 99