1IAO Mhc Ii date Mar 13, 1998
title Class II Mhc I-Ad In Complex With Ovalbumin Peptide 323-339
authors C.A.Scott, P.A.Peterson, L.Teyton, I.A.Wilson
compound source
Molecule: Mhc Class II I-Ad
Chain: A
Engineered: Yes
Other_details: Both The A And B Chains Have An 8-Residue (S Peptide Bound To The C-Terminus. The B Chain Also Has A 24- Peptide Consisting Of A 2-Residue (Rg) Signal Sequence, Res - 339 Of Hen Egg Ovalbumin And A 6-Residue (Gsgsgs) Linker, Covalently Bonded To The N-Terminus.;
Organism_scientific: Mus Musculus
Organism_common: House Mouse
Organism_taxid: 10090
Strain: Balbc
Cell_line: S2
Organ: Egg
Expression_system: Drosophila Melanogaster
Expression_system_common: Fruit Fly
Expression_system_taxid: 7227
Expression_system_cell_line: S2
Other_details: Heterologous Expression

Molecule: Mhc Class II I-Ad
Chain: B
Engineered: Yes
Other_details: Both The A And B Chains Have An 8-Residue (S Peptide Bound To The C-Terminus. The B Chain Also Has A 24- Peptide Consisting Of A 2-Residue (Rg) Signal Sequence, Res - 339 Of Hen Egg Ovalbumin And A 6-Residue (Gsgsgs) Linker, Covalently Bonded To The N-Terminus.

Organism_scientific: Mus Musculus
Organism_common: House Mouse
Organism_taxid: 10090
Strain: Balbc
Cell_line: S2
Organ: Egg
Expression_system: Drosophila Melanogaster
Expression_system_common: Fruit Fly
Expression_system_taxid: 7227
Expression_system_cell_line: S2
Other_details: Heterologous Expression
symmetry Space Group: P 41 21 2
R_factor 0.255 R_Free 0.320
crystal
cell
length a length b length c angle alpha angle beta angle gamma
101.300 101.300 92.600 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.60 Å
ligand NAG enzyme
related structures by homologous chain: 1BX2, 1ES0, 1KG0
Gene
Ontology
ChainFunctionProcessComponent
A


B


Primary referenceCrystal structures of two I-Ad-peptide complexes reveal that high affinity can be achieved without large anchor residues., Scott CA, Peterson PA, Teyton L, Wilson IA, Immunity 1998 Mar;8(3):319-29. PMID:9529149
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (67 Kb) [Save to disk]
  • Biological Unit Coordinates (1iao.pdb1.gz) 122 Kb
  • Biological Unit Coordinates (1iao.pdb2.gz) 62 Kb
  • LPC: Ligand-Protein Contacts for 1IAO
  • CSU: Contacts of Structural Units for 1IAO
  • Likely Quarternary Molecular Structure file(s) for 1IAO
  • Retrieve 1IAO in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1IAO from S2C, [Save to disk]
  • View 1IAO 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 1IAO
  • 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 1IAO, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1iaoa2, region A:1-82 [Jmol] [rasmolscript] [script source]
        - Domain d1iaoa1, region A:83-178 [Jmol] [rasmolscript] [script source]
        - Domain d1iaob2, region B:6-93 [Jmol] [rasmolscript] [script source]
        - Domain d1iaob1, region B:94-188 [Jmol] [rasmolscript] [script source]
  • Fold representative 1iao 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: [1iao_A] [1iao_B] [1iao]
  • SWISS-PROT database: [P04228] [P01921]
  • Domain organization of [HA2D_MOUSE] [HB2D_MOUSE] by SWISSPFAM
  • Domains found in 1IAO: [IGc1] [MHC_II_alpha] [MHC_II_beta ] by SMART
  • Other resources with information on 1IAO
  • Community annotation for 1IAO 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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