1XXB Complex (Dna Binding Protein Peptide) date Nov 03, 1995
title C-Terminal Domain Of Escherichia Coli Arginine Repressor L- Complex
authors G.D.Van Duyne, G.Ghosh, W.K.Maas, P.B.Sigler
compound source
Molecule: Arginine Repressor
Chain: A, B, C, D, E, F
Fragment: Initiator Met Plus C-Terminal Residues 80 - 156
Synonym: Argr
Engineered: Yes
Organism_scientific: Escherichia Coli K12
Organism_taxid: 83333
Strain: K-12
Gene: T7
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector_type: T7
Expression_system_plasmid: Pet3a
Expression_system_gene: T7
Other_details: T7 Promoter System (Novagen)
symmetry Space Group: C 2 2 21
R_factor 0.200 R_Free 0.350
length a length b length c angle alpha angle beta angle gamma
53.500 85.400 217.000 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.60 Å
ligand ARG enzyme
related structures by homologous chain: 1XXA, 1XXC
F, A, D, C, E, B

Primary referenceStructure of the oligomerization and L-arginine binding domain of the arginine repressor of Escherichia coli., Van Duyne GD, Ghosh G, Maas WK, Sigler PB, J Mol Biol 1996 Feb 23;256(2):377-91. PMID:8594204
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (74 Kb) [Save to disk]
  • Biological Unit Coordinates (1xxb.pdb1.gz) 70 Kb
  • LPC: Ligand-Protein Contacts for 1XXB
  • CSU: Contacts of Structural Units for 1XXB
  • Likely Quarternary Molecular Structure file(s) for 1XXB
  • Retrieve 1XXB in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1XXB from S2C, [Save to disk]
  • View 1XXB in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 1XXB
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1XXB, from MSDmotif at EBI
  • Genome occurence of 1XXB's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1xxba_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1xxbb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1xxbc_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1xxbd_, region D [Jmol] [rasmolscript] [script source]
        - Domain d1xxbe_, region E [Jmol] [rasmolscript] [script source]
        - Domain d1xxbf_, region F [Jmol] [rasmolscript] [script source]
  • Fold representative 1xxb from FSSP and Dali (Families of Structurally Similar Proteins)
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1xxb_F] [1xxb_D] [1xxb_E] [1xxb_A] [1xxb_B] [1xxb] [1xxb_C]
  • SWISS-PROT database: [P0A6D0]
  • Domain organization of [ARGR_ECOLI] by SWISSPFAM
  • Other resources with information on 1XXB
  • Community annotation for 1XXB at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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