1GM5 Helicase date Sep 11, 2001
title Structure Of Recg Bound To Three-Way Dna Junction
authors M.R.Singleton, S.Scaife, D.B.Wigley
compound source
Molecule: Recg
Chain: A
Engineered: Yes
Organism_scientific: Thermotoga Maritima
Organism_taxid: 2336
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: B834
Expression_system_plasmid: Pet28

Molecule: Dna (5'-(Cpapgpcptpcpcpaptpgpaptp Cpaptptpgpgpcpa)-3');
Chain: X

Synthetic: Yes

Molecule: Dna (5'-(Gpcpapgptpgpcptpcpgpcpap Tpgpgpapgpcptpg)-3');
Chain: Y

Synthetic: Yes

Molecule: Dna (5'-(Gpapgpcpapcptpgpc)-3')
Chain: Z

Synthetic: Yes
symmetry Space Group: C 1 2 1
R_factor 0.272 R_Free 0.328
length a length b length c angle alpha angle beta angle gamma
133.704 144.602 84.023 90.00 113.82 90.00
method X-Ray Diffractionresolution 3.24 Å
ligand ADP, MG enzyme
  • DNA helicase activity

  • Primary referenceStructural analysis of DNA replication fork reversal by RecG., Singleton MR, Scaife S, Wigley DB, Cell 2001 Oct 5;107(1):79-89. PMID:11595187
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (149 Kb) [Save to disk]
  • Biological Unit Coordinates (1gm5.pdb1.gz) 139 Kb
  • LPC: Ligand-Protein Contacts for 1GM5
  • CSU: Contacts of Structural Units for 1GM5
  • Likely Quarternary Molecular Structure file(s) for 1GM5
  • Structure Factors (438 Kb)
  • Retrieve 1GM5 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1GM5 from S2C, [Save to disk]
  • Re-refined 1gm5 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1GM5 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 1GM5
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1GM5, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1gm5a2, region A:106-285 [Jmol] [rasmolscript] [script source]
        - Domain d1gm5a3, region A:286-549 [Jmol] [rasmolscript] [script source]
        - Domain d1gm5a4, region A:550-755 [Jmol] [rasmolscript] [script source]
        - Domain d1gm5a1, region A:7-105 [Jmol] [rasmolscript] [script source]
  • Fold representative 1gm5 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1gm5_Y] [1gm5] [1gm5_X] [1gm5_A] [1gm5_Z]
  • SWISS-PROT database: [Q9WY48]
  • Domain organization of [Q9WY48_THEMA] by SWISSPFAM
  • Domains found in 1GM5: [DEXDc] [HELICc ] by SMART
  • Other resources with information on 1GM5
  • Community annotation for 1GM5 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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