2HRL Cell Adhesion date Jul 20, 2006
title Siglec-7 In Complex With Gt1b
authors H.Attrill, A.Imamura, R.S.Sharma, M.Kiso, P.R.Crocker, D.M.F.Van
compound source
Molecule: Sialic Acid-Binding Ig-Like Lectin 7
Chain: A
Fragment: Ig-Like V-Type, N-Terminal Domain, Residues 18-14
Synonym: Siglec-7, Qa79 Membrane Protein, Adhesion Inhibito Receptor Molecule 1, Airm-1, P75, D-Siglec, Cdw328 Antigen;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Cricetulus Griseus
Expression_system_common: Chinese Hamster
Expression_system_taxid: 10029
Expression_system_cell_line: Cho Lec1
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pdef-Siglec-7
symmetry Space Group: P 32 2 1
R_factor 0.195 R_Free 0.234
crystal
cell
length a length b length c angle alpha angle beta angle gamma
46.021 46.021 106.474 90.00 90.00 120.00
method X-Ray Diffractionresolution 1.85 Å
ligand BGC, CEQ, GAL, NAG, NGA, SIA enzyme
Primary referenceSiglec-7 undergoes a major conformational change when complexed with the alpha(2,8)-disialylganglioside GT1b., Attrill H, Imamura A, Sharma RS, Kiso M, Crocker PR, van Aalten DM, J Biol Chem. 2006 Oct 27;281(43):32774-83. Epub 2006 Aug 8. PMID:16895906
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (29 Kb) [Save to disk]
  • Biological Unit Coordinates (2hrl.pdb1.gz) 23 Kb
  • LPC: Ligand-Protein Contacts for 2HRL
  • CSU: Contacts of Structural Units for 2HRL
  • Likely Quarternary Molecular Structure file(s) for 2HRL
  • Structure Factors (88 Kb)
  • Retrieve 2HRL in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2HRL from S2C, [Save to disk]
  • Re-refined 2hrl structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2HRL 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 2HRL
  • 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
  • 3D motif for 2HRL, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2hrl] [2hrl_A]
  • SWISS-PROT database: [Q9Y286]
  • Domain organization of [SIGL7_HUMAN] by SWISSPFAM
  • Domain found in 2HRL: [IG ] by SMART
  • Other resources with information on 2HRL
  • Community annotation for 2HRL 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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