1LO5 Immune System Toxin date May 06, 2002
title Crystal Structure Of The D227a Variant Of Staphylococcal Ent In Complex With Human Mhc Class II
authors K.Petersson, M.Thunnissen, G.Forsberg, B.Walse
compound source
Molecule: Hla Class II Histocompatibility Antigen, Dr Alpha
Chain: A
Fragment: Extracellular Domain
Synonym: Mhc Class II (Hla-Dr1, Dra 0101)-Chain A
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Plm1

Molecule: Hla Class II Histocompatibility Antigen, Dr-1 Bet
Chain: B
Fragment: Extracellular Domain
Synonym: Mhc Class II (Hla-Dr1, Drb1 0101)-Chain B
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Plm1

Molecule: Hemagglutinin Peptide
Chain: C
Engineered: Yes

Synthetic: Yes
Other_details: This Sequence Is Peptide From Influenza Viru Hemagglutinin Peptide;

Molecule: Enterotoxin A
Chain: D
Engineered: Yes
Mutation: Yes

Organism_scientific: Staphylococcus Aureus
Organism_taxid: 1280
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Ul635
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Plr16
Expression_system_gene: K12
symmetry Space Group: P 21 21 21
R_factor 0.245 R_Free 0.339
crystal
cell
length a length b length c angle alpha angle beta angle gamma
52.008 75.792 198.082 90.00 90.00 90.00
method X-Ray Diffractionresolution 3.20 Å
Gene
Ontology
ChainFunctionProcessComponent
A


B


D
  • toxin activity


  • Primary referenceCrystal structure of a SEA variant in complex with MHC class II reveals the ability of SEA to crosslink MHC molecules., Petersson K, Thunnissen M, Forsberg G, Walse B, Structure (Camb) 2002 Dec;10(12):1619-26. PMID:12467569
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (100 Kb) [Save to disk]
  • Biological Unit Coordinates (1lo5.pdb1.gz) 94 Kb
  • CSU: Contacts of Structural Units for 1LO5
  • Likely Quarternary Molecular Structure file(s) for 1LO5
  • Structure Factors (129 Kb)
  • Retrieve 1LO5 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1LO5 from S2C, [Save to disk]
  • Re-refined 1lo5 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1LO5 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 1LO5
  • 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 1LO5, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1lo5a2, region A:4-81 [Jmol] [rasmolscript] [script source]
        - Domain d1lo5a1, region A:82-182 [Jmol] [rasmolscript] [script source]
        - Domain d1lo5b2, region B:3-92 [Jmol] [rasmolscript] [script source]
        - Domain d1lo5b1, region B:93-190 [Jmol] [rasmolscript] [script source]
        - Domain d1lo5d1, region D:1-120 [Jmol] [rasmolscript] [script source]
        - Domain d1lo5d2, region D:121-233 [Jmol] [rasmolscript] [script source]
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1lo5] [1lo5_B] [1lo5_D] [1lo5_C] [1lo5_A]
  • SWISS-PROT database: [P04229] [P01903] [P0A0L2]
  • Domain organization of [2B11_HUMAN] [DRA_HUMAN] [ETXA_STAAU] by SWISSPFAM
  • Domains found in 1LO5: [IGc1] [MHC_II_alpha] [MHC_II_beta ] by SMART
  • Other resources with information on 1LO5
  • Community annotation for 1LO5 at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
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