3P2T Immune System date Oct 04, 2010
title Crystal Structure Of Leukocyte Ig-Like Receptor Lilrb4 (Ilt3 5cd85k)
authors Y.Chen, G.Nam, H.Cheng, J.H.Zhang, B.E.Willcox, G.F.Gao
compound source
Molecule: Leukocyte Immunoglobulin-Like Receptor Subfamily 4;
Chain: A
Fragment: Residues In Unp 24-219
Synonym: Lilrb4 (Ilt3lir-5cd85k), Leukocyte Immunoglobuli Receptor 5, Lir-5, Immunoglobulin-Like Transcript 3, Ilt-3, Inhibitory Receptor Hm18, Cd85 Antigen-Like Family Member K
Engineered: Yes
Mutation: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Lilrb4, Ilt3, Lir5
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet-21a
symmetry Space Group: P 41 21 2
R_factor 0.186 R_Free 0.217
crystal
cell
length a length b length c angle alpha angle beta angle gamma
61.863 61.863 115.826 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.70 Å
ligand SO4 enzyme
Primary referenceCrystal structure of leukocyte Ig-like receptor LILRB4 (ILT3/LIR-5/CD85k): a myeloid inhibitory receptor involved in immune tolerance., Cheng H, Mohammed F, Nam G, Chen Y, Qi J, Garner LI, Allen RL, Yan J, Willcox BE, Gao GF, J Biol Chem. 2011 May 20;286(20):18013-25. Epub 2011 Mar 30. PMID:21454581
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (41 Kb) [Save to disk]
  • Biological Unit Coordinates (3p2t.pdb1.gz) 37 Kb
  • Biological Unit Coordinates (3p2t.pdb2.gz) 73 Kb
  • LPC: Ligand-Protein Contacts for 3P2T
  • CSU: Contacts of Structural Units for 3P2T
  • Structure Factors (320 Kb)
  • Retrieve 3P2T in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3P2T from S2C, [Save to disk]
  • Re-refined 3p2t structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3P2T 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 3P2T
  • 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 3P2T, from MSDmotif at EBI
  • Fold representative 3p2t from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3p2t] [3p2t_A]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domains found in 3P2T: [IG] [IG_like ] by SMART
  • Other resources with information on 3P2T
  • Community annotation for 3P2T 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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