1I4F Immune System date Feb 21, 2001
title Crystal Structure Of Hla-A0201mage-A4-Peptide Complex
authors R.C.Hillig, P.G.Coulie, V.Stroobant, W.Saenger, A.Ziegler, M.Huelsmeyer
compound source
Molecule: Hla Class I Histocompatibility Antigen, A-2 Alpha Chain;
Chain: A
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Hla-A
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Sure

Molecule: Beta-2-Microglobulin
Chain: B
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: Sure

Molecule: Melanoma-Associated Antigen 4
Chain: C
Fragment: Residues 230-239
Synonym: Mage-4 Antigen
Engineered: Yes

Synthetic: Yes
Other_details: This Peptide Was Chemically Synthesized. The Sequence Of The Peptide Is Naturally Found In Homo Sapiens (Humans).
symmetry Space Group: P 1 21 1
R_factor 0.136 R_Free 0.173
length a length b length c angle alpha angle beta angle gamma
51.467 80.222 54.009 90.00 111.06 90.00
method X-Ray Diffractionresolution 1.40 Å
ligand 1PG enzyme
related structures by homologous chain: 1LK2, 1OGA
  • cellular response to iron io...

  • Primary referenceHigh-resolution structure of HLA-A*0201 in complex with a tumour-specific antigenic peptide encoded by the MAGE-A4 gene., Hillig RC, Coulie PG, Stroobant V, Saenger W, Ziegler A, Hulsmeyer M, J Mol Biol 2001 Jul 27;310(5):1167-76. PMID:11502003
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (155 Kb) [Save to disk]
  • Biological Unit Coordinates (1i4f.pdb1.gz) 150 Kb
  • LPC: Ligand-Protein Contacts for 1I4F
  • CSU: Contacts of Structural Units for 1I4F
  • Likely Quarternary Molecular Structure file(s) for 1I4F
  • Structure Factors (559 Kb)
  • Retrieve 1I4F in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1I4F from S2C, [Save to disk]
  • Re-refined 1i4f structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1I4F 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 1I4F
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Conformational Epitope Prediction for 1I4F 1I4FA 1I4FB 1I4FC from the CEP Server.
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1I4F, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1i4fa2, region A:1-181 [Jmol] [rasmolscript] [script source]
        - Domain d1i4fa1, region A:182-275 [Jmol] [rasmolscript] [script source]
        - Domain d1i4fb_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 1i4f 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: [1i4f] [1i4f_B] [1i4f_C] [1i4f_A]
  • SWISS-PROT database: [P01892] [P61769] [P43358]
  • Domain organization of [1A02_HUMAN] [B2MG_HUMAN] [MAGA4_HUMAN] by SWISSPFAM
  • Domain found in 1I4F: [IGc1 ] by SMART
  • Other resources with information on 1I4F
  • Community annotation for 1I4F at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Domain movements in 1I4F from the Database of Macromolecular Movements.
  • Images from IMB Jena Image Library of Biological Macromolecules.

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