1IM9 Immune System date May 10, 2001
title Crystal Structure Of The Human Natural Killer Cell Inhibitory Receptor Kir2dl1 Bound To Its Mhc Ligand Hla-Cw4
authors Q.R.Fan, E.O.Long, D.C.Wiley
compound source
Molecule: Hla Class I Histocompatibility Antigen, Cw-4 Cw0401 Alpha Chain;
Chain: A, E
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21 De3 Plyss
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Plm-1

Molecule: Beta-2 Microglobulin
Chain: B, F
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21 De3 Plyss
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Plm-1

Molecule: Hla-Cw4-Specific Peptide
Chain: C, G
Engineered: Yes

Synthetic: Yes
Other_details: This Sequence Has Been Obtained By Pool Sequencing Of The Peptides Bound To Hla-Cw4 Naturally.;

Molecule: Killer Cell Immunoglobulin-Like Receptor 2dl1
Chain: D
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21 De3 Plyss
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Plm-1
symmetry Space Group: C 1 2 1
R_factor 0.213 R_Free 0.256
crystal
cell
length a length b length c angle alpha angle beta angle gamma
213.631 75.867 125.746 90.00 120.96 90.00
method X-Ray Diffractionresolution 2.80 Å
related structures by homologous chain: 1BQH, 1M4K, 1QRN, 2DLI
Gene
Ontology
ChainFunctionProcessComponent
A, E


F, B


Primary referenceCrystal structure of the human natural killer cell inhibitory receptor KIR2DL1-HLA-Cw4 complex., Fan QR, Long EO, Wiley DC, Nat Immunol 2001 May;2(5):452-60. PMID:11323700
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (170 Kb) [Save to disk]
  • Biological Unit Coordinates (1im9.pdb1.gz) 165 Kb
  • CSU: Contacts of Structural Units for 1IM9
  • Likely Quarternary Molecular Structure file(s) for 1IM9
  • Retrieve 1IM9 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1IM9 from S2C, [Save to disk]
  • View 1IM9 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 1IM9
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1IM9, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1im9a2, region A:1-181 [Jmol] [rasmolscript] [script source]
        - Domain d1im9a1, region A:182-275 [Jmol] [rasmolscript] [script source]
        - Domain d1im9b_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1im9d2, region D:102-200 [Jmol] [rasmolscript] [script source]
        - Domain d1im9d1, region D:6-101 [Jmol] [rasmolscript] [script source]
        - Domain d1im9e2, region E:1-181 [Jmol] [rasmolscript] [script source]
        - Domain d1im9e1, region E:182-275 [Jmol] [rasmolscript] [script source]
        - Domain d1im9f_, region F [Jmol] [rasmolscript] [script source]
  • Fold representative 1im9 from FSSP and Dali (Families of Structurally Similar Proteins)
  • 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: [1im9] [1im9_C] [1im9_B] [1im9_F] [1im9_E] [1im9_A] [1im9_D] [1im9_G]
  • SWISS-PROT database: [P30504] [P61769] [P43626]
  • Domain organization of [1C04_HUMAN] [B2MG_HUMAN] [KI2L1_HUMAN] by SWISSPFAM
  • Domains found in 1IM9: [IG] [IG_like] [IGc1 ] by SMART
  • Other resources with information on 1IM9
  • Community annotation for 1IM9 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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