4O3M Hydrolase Dna date Dec 18, 2013
title Ternary Complex Of Bloom'S Syndrome Helicase
authors M.K.Swan, J.Bertrand
compound source
Molecule: Bloom Syndrome Protein
Chain: A
Synonym: Dna Helicase, Recq-Like Type 2, Recq2, Recq Protei
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Blm, Recq2, Recql3
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Rosetta-2 Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet15b

Molecule: 5'-D(Apgpcpgptpcpgpapgpaptpcpcpapa
Chain: P
Engineered: Yes

Synthetic: Yes
Other_details: Chemically Synthesised Oligonucleotide.

Molecule: 5'-D(Cptptpgpgpaptpcptpcpgpapcpgpc Cpcpcptptpa)-3';
Chain: T
Engineered: Yes

Synthetic: Yes
Other_details: Chemically Synthesised Oligonucleotide.
symmetry Space Group: C 1 2 1
R_factor 0.181 R_Free 0.215
length a length b length c angle alpha angle beta angle gamma
100.930 164.680 50.980 90.00 90.14 90.00
method X-Ray Diffractionresolution 2.30 Å
ligand ADP, CA, EDO, ZN enzyme Hydrolase E.C. BRENDA

Primary referenceStructure of human Bloom's syndrome helicase in complex with ADP and duplex DNA., Swan MK, Legris V, Tanner A, Reaper PM, Vial S, Bordas R, Pollard JR, Charlton PA, Golec JM, Bertrand JA, Acta Crystallogr D Biol Crystallogr. 2014 May;70(Pt 5):1465-75. doi:, 10.1107/S139900471400501X. Epub 2014 Apr 30. PMID:24816114
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (238 Kb) [Save to disk]
  • Biological Unit Coordinates (4o3m.pdb1.gz) 230 Kb
  • LPC: Ligand-Protein Contacts for 4O3M
  • CSU: Contacts of Structural Units for 4O3M
  • Structure Factors (1889 Kb)
  • Retrieve 4O3M in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4O3M from S2C, [Save to disk]
  • Re-refined 4o3m structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4O3M 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 4O3M
  • 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 4O3M, from MSDmotif at EBI
  • Fold representative 4o3m from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4o3m_P] [4o3m] [4o3m_T] [4o3m_A]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domains found in 4O3M: [DEXDc] [HELICc] [HRDC] [RQC ] by SMART
  • Other resources with information on 4O3M
  • Community annotation for 4O3M at PDBWiki (http://pdbwiki.org)

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