1P7Q Immune System date May 05, 2003
title Crystal Structure Of Hla-A2 Bound To Lir-1, A Host And Viral Receptor
authors B.E.Willcox, L.M.Thomas, P.J.Bjorkman
compound source
Molecule: Hla Class I Histocompatibility Antigen, A-2 Alpha
Chain: A
Fragment: Residue 25-300
Engineered: Yes
 Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Hla-A Or Hlaa
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21plyss (De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Bj075

Molecule: Beta-2-Microglobulin
Chain: B
Synonym: Hdcma22p
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: B2m
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21plyss (De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Bj192

Molecule: Pol Polyprotein
Chain: C
Fragment: Residue 463-471
Engineered: Yes
Synthetic: Yes

Molecule: Leukocyte Immunoglobulin-Like Receptor 1
Chain: D
Fragment: Residue 25-221
Synonym: Leukocyte Immunoglobulin-Like Receptor, Subfamily And Itim Domains), Member 1; Cd85 Antigen;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21plyss (De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet23a
symmetry Space Group: P 31 2 1
R_factor 0.218 R_Free 0.309
crystal
cell
length a length b length c angle alpha angle beta angle gamma
113.740 113.740 89.460 90.00 90.00 120.00
method X-Ray Diffractionresolution 3.40 Å
Gene
Ontology
ChainFunctionProcessComponent
B
  • cellular response to iron io...

    • Primary referenceCrystal structure of HLA-A2 bound to LIR-1, a host and viral major histocompatibility complex receptor., Willcox BE, Thomas LM, Bjorkman PJ, Nat Immunol 2003 Sep;4(9):913-9. PMID:12897781
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (90 Kb) [Save to disk]
  • Biological Unit Coordinates (1p7q.pdb1.gz) 84 Kb
  • CSU: Contacts of Structural Units for 1P7Q
  • Likely Quarternary Molecular Structure file(s) for 1P7Q
  • Structure Factors (99 Kb)
  • Retrieve 1P7Q in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1P7Q from S2C, [Save to disk]
  • Re-refined 1p7q structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 1P7Q 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 1P7Q
  • 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 1P7Q, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1p7qa2, region A:1-181 [Jmol] [rasmolscript] [script source]
        - Domain d1p7qa1, region A:182-276 [Jmol] [rasmolscript] [script source]
        - Domain d1p7qb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1p7qd1, region D:4-97 [Jmol] [rasmolscript] [script source]
        - Domain d1p7qd2, region D:98-198 [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: [1p7q_A] [1p7q_C] [1p7q] [1p7q_B] [1p7q_D]
  • SWISS-PROT database: [P01892] [P61769] [Q8NHL6]
  • Domain organization of [1A02_HUMAN] [B2MG_HUMAN] [LIRB1_HUMAN] by SWISSPFAM
  • Domains found in 1P7Q: [IG] [IG_like] [IGc1 ] by SMART
    • Other resources with information on 1P7Q
  • Community annotation for 1P7Q at PDBWiki (http://pdbwiki.org)
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