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
crystal cell	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 Diffraction	resolution	2.30 Å
ligand	MSE	enzyme
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Crystal 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

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 3D motif for 2QM4, from MSDmotif at EBI

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)

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