1A1O Complex (Antigen Peptide) date Dec 11, 1997
title Mhc Class I Molecule B5301 Complexed With Peptide Ls6 (Kpivqydnf) From The Malaria Parasite P. Falciparum
authors K.J.Smith, S.W.Reid, K.Harlos, A.J.Mcmichael, D.I.Stuart, J.I.Bell, E.Y.Jones
compound source
Molecule: Hla Class I Histocompatibility Antigen, Bw-53 B5301 Alpha Chain;
Chain: A
Synonym: B53
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Cell_line: Bl21
Gene: T7
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21 (De3) Plyss
Expression_system_vector_type: T7 Polymerase
Expression_system_vector: Pgmt7
Expression_system_plasmid: Bl21
Expression_system_gene: T7

Molecule: Beta-2-Microglobulin
Chain: B
Synonym: B53
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Cell_line: Bl21
Gene: T7
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21 (De3) Plyss
Expression_system_vector_type: T7 Polymerase
Expression_system_vector: Pgmt7
Expression_system_plasmid: Bl21
Expression_system_gene: T7

Molecule: Peptide Ls6 (Kpivqydnf)
Chain: C
Engineered: Yes
Other_details: Ls6 From The Nef Protein (75-82) Of Hiv-1

Organism_scientific: Human Immunodeficiency Virus 1
Organism_taxid: 11676
symmetry Space Group: P 21 21 21
R_factor 0.168 R_Free NULL
crystal
cell
length a length b length c angle alpha angle beta angle gamma
51.300 83.300 112.400 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.30 Å
related structures by homologous chain: 1W0V, 2VAA
Gene
Ontology
ChainFunctionProcessComponent
B
  • cellular response to iron io...

  • Primary referenceBound water structure and polymorphic amino acids act together to allow the binding of different peptides to MHC class I HLA-B53., Smith KJ, Reid SW, Harlos K, McMichael AJ, Stuart DI, Bell JI, Jones EY, Immunity 1996 Mar;4(3):215-28. PMID:8624812
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (70 Kb) [Save to disk]
  • Biological Unit Coordinates (1a1o.pdb1.gz) 67 Kb
  • CSU: Contacts of Structural Units for 1A1O
  • Likely Quarternary Molecular Structure file(s) for 1A1O
  • Retrieve 1A1O in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1A1O from S2C, [Save to disk]
  • View 1A1O 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 1A1O
  • 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 1A1O, from MSDmotif at EBI
  • Genome occurence of 1A1O's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1a1oa2, region A:1-181 [Jmol] [rasmolscript] [script source]
        - Domain d1a1oa1, region A:182-276 [Jmol] [rasmolscript] [script source]
        - Domain d1a1ob_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 1a1o 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: [1a1o_B] [1a1o_A] [1a1o_C] [1a1o]
  • SWISS-PROT database: [P30491] [P61769]
  • Domain organization of [1B53_HUMAN] [B2MG_HUMAN] by SWISSPFAM
  • Domain found in 1A1O: [IGc1 ] by SMART
  • Other resources with information on 1A1O
  • Community annotation for 1A1O 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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