1EFX Immune System date Feb 10, 2000
title Structure Of A Complex Between The Human Natural Killer Cell Receptor Kir2dl2 And A Class I Mhc Ligand Hla-Cw3
authors J.C.Boyington, S.A.Motyka, P.Schuck, A.G.Brooks, P.D.Sun
compound source
Molecule: Hla-Cw3 (Heavy Chain)
Chain: A
Fragment: Extracellular Alpha-1, Alpha-2 And Alpha-3 Domains;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_plasmid: Modified Pet30a

Molecule: Beta-2-Microglobulin
Chain: B
Engineered: Yes
Other_details: Mature Form

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_plasmid: Modified Pet30a

Molecule: Peptide From Importin Alpha-2
Chain: C
Fragment: Residues 204-212
Engineered: Yes

Synthetic: Yes
Other_details: This Peptide Was Chemically Synthesized. The Sequence Is Naturally Found In Homo Sapiens (Human).;

Molecule: Natural Killer Cell Receptor Kir2dl2
Chain: D, E
Fragment: Extracellular D1 And D2 Domains
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_plasmid: Modified Pet30a
symmetry Space Group: P 21 21 21
R_factor 0.231 R_Free 0.294
crystal
cell
length a length b length c angle alpha angle beta angle gamma
68.540 90.330 207.270 90.00 90.00 90.00
method X-Ray Diffractionresolution 3.00 Å
related structures by homologous chain: 1B6U, 1E28, 1N3N, 2DL2
Gene
Ontology
ChainFunctionProcessComponent
A


B


Primary referenceCrystal structure of an NK cell immunoglobulin-like receptor in complex with its class I MHC ligand., Boyington JC, Motyka SA, Schuck P, Brooks AG, Sun PD, Nature 2000 Jun 1;405(6786):537-43. PMID:10850706
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (127 Kb) [Save to disk]
  • Biological Unit Coordinates (1efx.pdb1.gz) 121 Kb
  • CSU: Contacts of Structural Units for 1EFX
  • Likely Quarternary Molecular Structure file(s) for 1EFX
  • Retrieve 1EFX in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1EFX from S2C, [Save to disk]
  • View 1EFX 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 1EFX
  • 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 1EFX, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1efxa2, region A:1-181 [Jmol] [rasmolscript] [script source]
        - Domain d1efxa1, region A:182-278 [Jmol] [rasmolscript] [script source]
        - Domain d1efxb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1efxd2, region D:104-200 [Jmol] [rasmolscript] [script source]
        - Domain d1efxd1, region D:4-103 [Jmol] [rasmolscript] [script source]
        - Domain d1efxe2, region E:104-200 [Jmol] [rasmolscript] [script source]
        - Domain d1efxe1, region E:4-103 [Jmol] [rasmolscript] [script source]
  • Fold representative 1efx 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: [1efx_E] [1efx_B] [1efx_C] [1efx_D] [1efx] [1efx_A]
  • SWISS-PROT database: [P04222] [P61769] [P52292] [P43627]
  • Domain organization of [1C03_HUMAN] [B2MG_HUMAN] [IMA2_HUMAN] [KI2L2_HUMAN] by SWISSPFAM
  • Domains found in 1EFX: [IG] [IG_like] [IGc1 ] by SMART
  • Other resources with information on 1EFX
  • Community annotation for 1EFX 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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