1O7S Cell Adhesion date Nov 12, 2002
title High Resolution Structure Of Siglec-7
authors M.S.Alphey, H.Attrill, P.R.Crocker, D.M.F.Van Aalten
compound source
Molecule: Sialic Acid Binding Ig-Like Lectin 7
Chain: A
Fragment: V-Set Sialic Acid Binding Domain, Residues 18-144
Synonym: Qa79 Membrane Protein, Allelic Variant Airm-1b, P7 Airm-1, Siglec-7, D-Siglec, Adhesion Inhibitory Receptor Mo
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Cricetulus Griseus
Expression_system_taxid: 10029
Expression_system_cell_line: Cho Lec1
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pdef
symmetry Space Group: P 41 21 2
R_factor 0.221 R_Free 0.248
crystal
cell
length a length b length c angle alpha angle beta angle gamma
53.078 53.078 93.770 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.75 Å
ligand CYS, NAG, NDG enzyme
related structures by homologous chain: 1NKO, 1O7V
Primary referenceHigh resolution crystal structures of Siglec-7. Insights into ligand specificity in the Siglec family., Alphey MS, Attrill H, Crocker PR, van Aalten DM, J Biol Chem 2003 Jan 31;278(5):3372-7. PMID:12438315
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (26 Kb) [Save to disk]
  • Biological Unit Coordinates (1o7s.pdb1.gz) 22 Kb
  • LPC: Ligand-Protein Contacts for 1O7S
  • CSU: Contacts of Structural Units for 1O7S
  • Likely Quarternary Molecular Structure file(s) for 1O7S
  • Structure Factors (99 Kb)
  • Retrieve 1O7S in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1O7S from S2C, [Save to disk]
  • Re-refined 1o7s structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1O7S 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 1O7S
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • 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 1O7S, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1o7sa_, region A [Jmol] [rasmolscript] [script source]
  • Fold representative 1o7s 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: [1o7s_A] [1o7s]
  • SWISS-PROT database: [Q9Y286]
  • Domain organization of [SIGL7_HUMAN] by SWISSPFAM
  • Domain found in 1O7S: [IG ] by SMART
  • Other resources with information on 1O7S
  • Community annotation for 1O7S 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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