1QA9 Immune System date Apr 13, 1999
title Structure Of A Heterophilic Adhesion Complex Between The Human Cd2 And Cd58(Lfa-3) Counter-Receptors
authors J.H.Wang, A.Smolyar, K.Tan, J.H.Liu, M.Kim, Z.J.Sun, G.Wagner, E.L.Reinherz
compound source
Molecule: Human Cd2 Protein
Chain: A, C
Fragment: N-Terminal Adhesion Domain Of Cd2
Engineered: Yes
Mutation: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet-11a

Molecule: Human Cd58 Protein
Chain: B, D
Fragment: N-Terminal Adhesion Domain Of Cd58
Engineered: Yes
Mutation: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet-11a
symmetry Space Group: C 1 2 1
R_factor 0.223 R_Free 0.281
crystal
cell
length a length b length c angle alpha angle beta angle gamma
179.820 33.470 108.430 90.00 121.76 90.00
method X-Ray Diffractionresolution 3.20 Å
Primary referenceStructure of a heterophilic adhesion complex between the human CD2 and CD58 (LFA-3) counterreceptors., Wang JH, Smolyar A, Tan K, Liu JH, Kim M, Sun ZY, Wagner G, Reinherz EL, Cell 1999 Jun 11;97(6):791-803. PMID:10380930
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (70 Kb) [Save to disk]
  • Biological Unit Coordinates (1qa9.pdb1.gz) 34 Kb
  • Biological Unit Coordinates (1qa9.pdb2.gz) 34 Kb
  • CSU: Contacts of Structural Units for 1QA9
  • Likely Quarternary Molecular Structure file(s) for 1QA9
  • Retrieve 1QA9 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1QA9 from S2C, [Save to disk]
  • View 1QA9 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 1QA9
  • 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 1QA9, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1qa9a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1qa9b_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1qa9c_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1qa9d_, region D [Jmol] [rasmolscript] [script source]
  • Fold representative 1qa9 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: [1qa9_C] [1qa9_B] [1qa9_A] [1qa9] [1qa9_D]
  • SWISS-PROT database: [P06729] [P19256]
  • Domain organization of [CD2_HUMAN] [LFA3_HUMAN] by SWISSPFAM
  • Domain found in 1QA9: [IG ] by SMART
  • Other resources with information on 1QA9
  • Community annotation for 1QA9 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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