1LNU CRYSTAL STRUCTURE OF CLASS II MHC MOLECULE IAb BOUND TO EALPHA3K PEPTIDE date
authors Liu, X., Dai, S., Crawford, F., Fruge, R., Marrack, P., Kappler, J.
compound source
symmetry
R_factor
R_Free 0.245
crystal
cell
length a length b length c angle alpha angle beta angle gamma
method X-Ray Diffractionresolution 2.50
ligand NAG enzyme
related structures by homologous chain: 1ES0, 1R5V, 1T5X, 1U3H
Gene
Ontology
ChainFunctionProcessComponent
A, E, C, G


F, B, H, D


Primary referenceAlternate interactions define the binding of peptides to the MHC molecule IA(b)., Liu X, Dai S, Crawford F, Fruge R, Marrack P, Kappler J, Proc Natl Acad Sci U S A 2002 Jun 25;99(13):8820-5. PMID:12084926
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (267 Kb) [Save to disk]
  • Biological Unit Coordinates (1lnu.pdb1.gz) 68 Kb
  • Biological Unit Coordinates (1lnu.pdb2.gz) 67 Kb
  • Biological Unit Coordinates (1lnu.pdb3.gz) 69 Kb
  • Biological Unit Coordinates (1lnu.pdb4.gz) 69 Kb
  • LPC: Ligand-Protein Contacts for 1LNU
  • CSU: Contacts of Structural Units for 1LNU
  • Likely Quarternary Molecular Structure file(s) for 1LNU
  • Structure Factors (397 Kb)
  • Retrieve 1LNU in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1LNU from S2C, [Save to disk]
  • Re-refined 1lnu structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1LNU 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 1LNU
  • 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 1LNU, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1lnua2, region A:1-83 [Jmol] [rasmolscript] [script source]
        - Domain d1lnua1, region A:84-182 [Jmol] [rasmolscript] [script source]
        - Domain d1lnub2, region B:1-120 [Jmol] [rasmolscript] [script source]
        - Domain d1lnub1, region B:121-217 [Jmol] [rasmolscript] [script source]
        - Domain d1lnuc2, region C:1-83 [Jmol] [rasmolscript] [script source]
        - Domain d1lnuc1, region C:84-182 [Jmol] [rasmolscript] [script source]
        - Domain d1lnud2, region D:1-120 [Jmol] [rasmolscript] [script source]
        - Domain d1lnud1, region D:121-217 [Jmol] [rasmolscript] [script source]
        - Domain d1lnue2, region E:1-83 [Jmol] [rasmolscript] [script source]
        - Domain d1lnue1, region E:84-182 [Jmol] [rasmolscript] [script source]
        - Domain d1lnuf2, region F:1-120 [Jmol] [rasmolscript] [script source]
        - Domain d1lnuf1, region F:121-217 [Jmol] [rasmolscript] [script source]
        - Domain d1lnug2, region G:1-83 [Jmol] [rasmolscript] [script source]
        - Domain d1lnug1, region G:84-182 [Jmol] [rasmolscript] [script source]
        - Domain d1lnuh2, region H:1-120 [Jmol] [rasmolscript] [script source]
        - Domain d1lnuh1, region H:121-217 [Jmol] [rasmolscript] [script source]
  • Fold representative 1lnu 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: [1lnu_F] [1lnu_B] [1lnu_A] [1lnu] [1lnu_C] [1lnu_D] [1lnu_E] [1lnu_H] [1lnu_G]
  • SWISS-PROT database: [P14434] [P14483]
  • Domain organization of [HA2B_MOUSE] [HB2A_MOUSE] by SWISSPFAM
  • Domains found in 1LNU: [IGc1] [MHC_II_alpha] [MHC_II_beta ] by SMART
  • Other resources with information on 1LNU
  • Community annotation for 1LNU 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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