2QM4 Recombination date Jul 14, 2007
title Crystal Structure Of Human Xlfcernunnos, A Non-Homologous E Factor
authors Y.Li, D.Y.Chirgadze, B.L.Sibanda, V.M.Bolanos-Garcia, O.R.Davies T.L.Blundell
compound source
Molecule: Non-Homologous End-Joining Factor 1
Chain: A, B, C, D
Synonym: Protein Cernunnos, Xrcc4-Like Factor
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Nhej1, Xlf
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Rosetta2
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Petg-41a
symmetry Space Group: P 1 21 1
R_factor 0.182 R_Free 0.239
length a length b length c angle alpha angle beta angle gamma
63.736 92.913 103.693 90.00 106.22 90.00
method X-Ray Diffractionresolution 2.30 Å
ligand MSE enzyme
Primary referenceCrystal structure of human XLF/Cernunnos reveals unexpected differences from XRCC4 with implications for NHEJ., Li Y, Chirgadze DY, Bolanos-Garcia VM, Sibanda BL, Davies OR, Ahnesorg P, Jackson SP, Blundell TL, EMBO J. 2007 Nov 29;. PMID:18046455
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (163 Kb) [Save to disk]
  • Biological Unit Coordinates (2qm4.pdb1.gz) 79 Kb
  • Biological Unit Coordinates (2qm4.pdb2.gz) 77 Kb
  • LPC: Ligand-Protein Contacts for 2QM4
  • CSU: Contacts of Structural Units for 2QM4
  • Likely Quarternary Molecular Structure file(s) for 2QM4
  • Structure Factors (679 Kb)
  • Retrieve 2QM4 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2QM4 from S2C, [Save to disk]
  • Re-refined 2qm4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2QM4 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 2QM4
  • 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 2QM4, from MSDmotif at EBI
  • Fold representative 2qm4 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2qm4_A] [2qm4_C] [2qm4_B] [2qm4_D] [2qm4]
  • SWISS-PROT database: [Q9H9Q4]
  • Domain organization of [NHEJ1_HUMAN] by SWISSPFAM
  • Other resources with information on 2QM4
  • Community annotation for 2QM4 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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