1EA4 Gene Regulation Dna date Nov 05, 2000
title Transcriptional Repressor Copg22bp Dsdna Complex
authors F.X.Gomis-Rueth, M.Costa, M.Sola, P.Acebo, R.Eritja, M.Espinosa, G.D.Solar, M.Coll
compound source
Molecule: Transcriptional Repressor Copg
Chain: A, B, D, E, F, G, H, J, K, L
Fragment: Dna-Binding Protein
Synonym: Repa Protein
Engineered: Yes
Organism_scientific: Streptococcus Agalactiae
Organism_taxid: 1311
Cellular_location: Plasmid Pmv158
Plasmid: Pmv158
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pmv158

Molecule: Dna (5'-D(Tpapapcpcpgptpgp Cpapcptpcpapaptpgpcpapaptpc)-3');
Chain: U, W, Y
Fragment: 22bp Ssdna - First Strand

Synthetic: Yes

Molecule: Dna(5'-D(Apgpaptptpgpcpaptp Tpgpapgptpgpcpapcpgpgptpt)-3');
Chain: V, X, Z
Fragment: 22bp Ssdna - Second Strand

Synthetic: Yes
symmetry Space Group: P 21 21 2
R_factor 0.230 R_Free 0.307
length a length b length c angle alpha angle beta angle gamma
213.400 76.040 50.520 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.95 Å
related structures by homologous chain: 1B01
F, A, J, K, E, B, H, D, G, L

Primary referencePlasmid transcriptional repressor CopG oligomerises to render helical superstructures unbound and in complexes with oligonucleotides., Costa M, Sola M, del Solar G, Eritja R, Hernandez-Arriaga AM, Espinosa M, Gomis-Ruth FX, Coll M, J Mol Biol 2001 Jul 6;310(2):403-17. PMID:11428897
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (124 Kb) [Save to disk]
  • Biological Unit Coordinates (1ea4.pdb1.gz) 240 Kb
  • Biological Unit Coordinates (1ea4.pdb2.gz) 47 Kb
  • Biological Unit Coordinates (1ea4.pdb3.gz) 46 Kb
  • Biological Unit Coordinates (1ea4.pdb4.gz) 63 Kb
  • CSU: Contacts of Structural Units for 1EA4
  • Likely Quarternary Molecular Structure file(s) for 1EA4
  • Retrieve 1EA4 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1EA4 from S2C, [Save to disk]
  • View 1EA4 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 1EA4
  • 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 1EA4, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1ea4a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1i1ea4, region A:534-861 [Jmol] [rasmolscript] [script source]
        - Domain d1ea4b_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1ea4d_, region D [Jmol] [rasmolscript] [script source]
        - Domain d1ea4e_, region E [Jmol] [rasmolscript] [script source]
        - Domain d1ea4f_, region F [Jmol] [rasmolscript] [script source]
        - Domain d1ea4g_, region G [Jmol] [rasmolscript] [script source]
        - Domain d1ea4h_, region H [Jmol] [rasmolscript] [script source]
        - Domain d1ea4j_, region J [Jmol] [rasmolscript] [script source]
        - Domain d1ea4k_, region K [Jmol] [rasmolscript] [script source]
        - Domain d1ea4l_, region L [Jmol] [rasmolscript] [script source]
  • Fold representative 1ea4 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: [1ea4_L] [1ea4_F] [1ea4_K] [1ea4] [1ea4_B] [1ea4_E] [1ea4_J] [1ea4_U] [1ea4_W] [1ea4_H] [1ea4_D] [1ea4_Z] [1ea4_Y] [1ea4_X] [1ea4_V] [1ea4_G] [1ea4_A]
  • SWISS-PROT database: [P13920]
  • Domain organization of [COPG_STRAG] by SWISSPFAM
  • Other resources with information on 1EA4
  • Community annotation for 1EA4 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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