General information
PDB ID 1LBG
Title LACTOSE OPERON REPRESSOR BOUND TO 21-BASE PAIR SYMMETRIC OPERATOR DNA, ALPHA CARBONS ONLY
PDB header TRANSCRIPTION/DNA
Date 1996-01-03
Experimental method X-RAY DIFFRACTION
Resolution (A) 4.8
Kind dna
Organism ESCHERICHIA COLI
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PDB PDBe MMDB Jena OCA
CATH PDBsum HSSP PDBePISA UniProt
ProteopediA BIPA
Composition of PDB entry and biounits
File: Protein chains: DNA chains: RNA chains: No. of models: Action:
PDB entry:
pdb1lbg.pdb ABCD EFGH 0
Biounits:
1lbg.pdb1.pdb AB EF 1
1lbg.pdb2.pdb CD GH 1
Pfam domains
Name: Type: Domain: E-value: Significance: Clan: Prot. chain: Start res.: End res.: Nuc. chains: Int. mode: Action:
Peripla_BP_3 Domain P03023_171-329 1.1e-32 1 CL0144 A 171 329   
LacI Domain P03023_5-50 1.9e-22 1 CL0123 A 5 50   
Peripla_BP_3 Domain P03023_171-329 1.1e-32 1 CL0144 B 171 329   
LacI Domain P03023_5-50 1.9e-22 1 CL0123 B 5 50   
Peripla_BP_3 Domain P03023_171-329 1.1e-32 1 CL0144 C 171 329   
LacI Domain P03023_5-50 1.9e-22 1 CL0123 C 5 50   
Peripla_BP_3 Domain P03023_171-329 1.1e-32 1 CL0144 D 171 329   
LacI Domain P03023_5-50 1.9e-22 1 CL0123 D 5 50   
SCOP domains
Classification: Protein: Prot. chain: Start res.: End res.: Nuc. chains: Int. mode: Action:
Class: All alpha proteins
  Fold: lambda repressor-like DNA-binding domains
    Superfamily: lambda repressor-like DNA-binding domains
      Family: GalR/LacI-like bacterial regulator
Lac repressor (LacR), N-terminal domain A 1 60 -
Class: All alpha proteins
  Fold: lambda repressor-like DNA-binding domains
    Superfamily: lambda repressor-like DNA-binding domains
      Family: GalR/LacI-like bacterial regulator
Lac repressor (LacR), N-terminal domain B 1 60 -
Class: All alpha proteins
  Fold: lambda repressor-like DNA-binding domains
    Superfamily: lambda repressor-like DNA-binding domains
      Family: GalR/LacI-like bacterial regulator
Lac repressor (LacR), N-terminal domain C 1 60 -
Class: All alpha proteins
  Fold: lambda repressor-like DNA-binding domains
    Superfamily: lambda repressor-like DNA-binding domains
      Family: GalR/LacI-like bacterial regulator
Lac repressor (LacR), N-terminal domain D 1 60 -
Class: Alpha and beta proteins (a/b)
  Fold: Periplasmic binding protein-like I
    Superfamily: Periplasmic binding protein-like I
      Family: L-arabinose binding protein-like
Lac-repressor (lacR) core (C-terminal domain) A 61 357 -
Class: Alpha and beta proteins (a/b)
  Fold: Periplasmic binding protein-like I
    Superfamily: Periplasmic binding protein-like I
      Family: L-arabinose binding protein-like
Lac-repressor (lacR) core (C-terminal domain) B 61 357 -
Class: Alpha and beta proteins (a/b)
  Fold: Periplasmic binding protein-like I
    Superfamily: Periplasmic binding protein-like I
      Family: L-arabinose binding protein-like
Lac-repressor (lacR) core (C-terminal domain) C 61 357 -
Class: Alpha and beta proteins (a/b)
  Fold: Periplasmic binding protein-like I
    Superfamily: Periplasmic binding protein-like I
      Family: L-arabinose binding protein-like
Lac-repressor (lacR) core (C-terminal domain) D 61 357 -
GO terms
Protein chains: GO type: GO description:
A/B/C/D=1-360 C cytosol
A/B/C/D=1-360 F sequence-specific DNA binding transcription factor activity
A/B/C/D=1-360 F DNA binding
A/B/C/D=1-360 P transcription, DNA-dependent
Sequences
Download file with secondary structure created by Stride  
1lbg.pdb1.pdb:   [ download sequences in FASTA format ]
E (dna): 
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F (dna): 
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A (protein): 
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B (protein): 
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1lbg.pdb2.pdb:   [ download sequences in FASTA format ]
G (dna): 
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H (dna): 
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C (protein): 
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D (protein): 
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