3SQV	Ligase Signaling Protein	date	Jul 06, 2011
title	Crystal Structure Of E. Coli O157:H7 E3 Ubiquitin Ligase, Nl Human E2, Ubch7
authors	D.Y.Lin, J.Chen
compound		source
Molecule: Secreted Effector Protein Chain: A, B Fragment: C-Terminal Beta-Helix Domain And Hect-Like Domain Residues 170-782); Synonym: Nlel Ec: 6.3.2.19 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 83334 Strain: O157:H7 Gene: Ecs1560 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Ril Expression_system_vector_type: Plasmid Expression_system_plasmid: Pmcsg20
Molecule: Ubiquitin-Conjugating Enzyme E2 L3 Chain: C, D Synonym: Ubch7, L-Ubc, Ubiquitin Carrier Protein L3, Ubiqui Conjugating Enzyme E2-F1, Ubiquitin-Protein Ligase L3; Ec: 6.3.2.19 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Ubce7, Ubch7, Ube2l3 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Star Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex
symmetry	Space Group: C 1 2 1	R_factor 0.266 R_Free 0.298
crystal cell	length a length b length c angle alpha angle beta angle gamma 302.313 72.012 125.669 90.00 109.22 90.00
method	X-Ray Diffraction	resolution	3.30 Å
ligand	GOL, SO4	enzyme	Ligase E.C.6.3.2.19 BRENDA
Gene Ontology	Chain Function Process Component A, B D, C transcription coactivator ac...
Primary reference	Crystal structures of two bacterial HECT-like E3 ligases in complex with a human E2 reveal atomic details of pathogen-host interactions., Lin DY, Diao J, Chen J, Proc Natl Acad Sci U S A. 2012 Feb 7;109(6):1925-30. Epub 2012 Jan 23. PMID:22308380

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (469 Kb) [Save to disk] Biological Unit Coordinates (3sqv.pdb1.gz) 230 Kb Biological Unit Coordinates (3sqv.pdb2.gz) 231 Kb Biological Unit Coordinates (3sqv.pdb3.gz) 458 Kb LPC: Ligand-Protein Contacts for 3SQV CSU: Contacts of Structural Units for 3SQV Structure Factors (384 Kb) Retrieve 3SQV in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3SQV from S2C, [Save to disk] Re-refined 3sqv structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3SQV 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 3SQV

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 3SQV, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3sqv_D] [3sqv_B] [3sqv_A] [3sqv] [3sqv_C] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 3SQV: [UBCc ] by SMART

Other resources with information on 3SQV

Community annotation for 3SQV at PDBWiki (http://pdbwiki.org)

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