1I7U Immune System date Mar 10, 2001
title Crystal Structure Of Class I Mhc A2 In Complex With Peptide P1049-6v
authors J.Busslep, R.Zhao, D.Loftus, E.Appella, E.J.Collins
compound source
Molecule: Hla Class I Histocompatibility Antigen, A-2 Alpha Chain;
Chain: A, D
Fragment: Extracellular Domain, Residues 25-299
Engineered: Yes
 Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Hlaa
Expression_system: Escherichia Coli Bl21
Expression_system_taxid: 511693
Expression_system_strain: Bl21
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Plm

Molecule: Beta-2-Microglobulin
Chain: B, E
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: B2m
Expression_system: Escherichia Coli Bl21
Expression_system_taxid: 511693
Expression_system_strain: Bl21
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Plm

Molecule: 9 Residue Peptide
Chain: C, F
Engineered: Yes
Synthetic: Yes
Other_details: The Nine Residue Peptide Was Chemically Synthesized
symmetry Space Group: P 1
R_factor 0.236 R_Free 0.258
crystal
cell
length a length b length c angle alpha angle beta angle gamma
50.461 63.333 75.436 81.94 76.44 77.94
method X-Ray Diffractionresolution 1.80 Å
related structures by homologous chain: 1JF1, 1T0N
Gene
Ontology
ChainFunctionProcessComponent
E, B
  • cellular response to iron io...

    • Primary referenceT cell activity correlates with oligomeric peptide-major histocompatibility complex binding on T cell surface., Buslepp J, Zhao R, Donnini D, Loftus D, Saad M, Appella E, Collins EJ, J Biol Chem 2001 Dec 14;276(50):47320-8. Epub 2001 Oct 2. PMID:11584024
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (139 Kb) [Save to disk]
  • Biological Unit Coordinates (1i7u.pdb1.gz) 69 Kb
  • Biological Unit Coordinates (1i7u.pdb2.gz) 70 Kb
  • CSU: Contacts of Structural Units for 1I7U
  • Likely Quarternary Molecular Structure file(s) for 1I7U
  • Structure Factors (753 Kb)
  • Retrieve 1I7U in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1I7U from S2C, [Save to disk]
  • Re-refined 1i7u structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 1I7U 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 1I7U
  • 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 1I7U, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1i7ua2, region A:1-181 [Jmol] [rasmolscript] [script source]
        - Domain d1i7ua1, region A:182-275 [Jmol] [rasmolscript] [script source]
        - Domain d1i7ub_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1i7ud2, region D:1-181 [Jmol] [rasmolscript] [script source]
        - Domain d1i7ud1, region D:182-275 [Jmol] [rasmolscript] [script source]
        - Domain d1i7ue_, region E [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: [1i7u_C] [1i7u_E] [1i7u_D] [1i7u] [1i7u_B] [1i7u_A] [1i7u_F]
  • SWISS-PROT database: [P01892] [P61769]
  • Domain organization of [1A02_HUMAN] [B2MG_HUMAN] by SWISSPFAM
  • Domain found in 1I7U: [IGc1 ] by SMART
    • Other resources with information on 1I7U
  • Community annotation for 1I7U 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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