3D2U	Immune System	date	May 08, 2008
title	Structure Of Ul18, A Peptide-Binding Viral Mhc Mimic, Bound Inhibitory Receptor
authors	Z.Yang, P.J.Bjorkman
compound		source
Molecule: Ul18 Protein Chain: A, E Fragment: Sequence Database Residues 21-301		Organism_scientific: Human Herpesvirus 5 Organism_common: Human Cytomegalovirus Organism_taxid: 10359 Strain: Ad169 Other_details: Gene Ul18
Molecule: Beta-2-Microglobulin Chain: B, F		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Other_details: Beta2m
Molecule: Leukocyte Immunoglobulin-Like Receptor Subfamily 1; Chain: D, H Fragment: Ig-Like C2-Type 1 And C2-Type 2 Domains Synonym: Leukocyte Immunoglobulin-Like Receptor 1, Lir-1, Immunoglobulin- Like Transcript 2, Ilt-2, Monocytemacropha Immunoglobulin-Like Receptor 7, Mir-7, Cd85j Antigen;		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Other_details: Lir-1
Molecule: Actin Chain: G, C Fragment: Sequence Database Residues 170-178 Engineered: Yes		Synthetic: Yes Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606
symmetry	Space Group: P 1 21 1	R_factor 0.241 R_Free 0.259
crystal cell	length a length b length c angle alpha angle beta angle gamma 52.366 98.110 172.147 90.00 98.46 90.00
method	X-Ray Diffraction	resolution	2.21 Å
ligand	BMA, FUC, MAN, NAG	enzyme
Gene Ontology	Chain Function Process Component F, B cellular response to iron io...
Primary reference	Structure of UL18, a peptide-binding viral MHC mimic, bound to a host inhibitory receptor., Yang Z, Bjorkman PJ, Proc Natl Acad Sci U S A. 2008 Jul 22;105(29):10095-100. Epub 2008 Jul 15. PMID:18632577

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (200 Kb) [Save to disk] Biological Unit Coordinates (3d2u.pdb1.gz) 98 Kb Biological Unit Coordinates (3d2u.pdb2.gz) 99 Kb LPC: Ligand-Protein Contacts for 3D2U CSU: Contacts of Structural Units for 3D2U Likely Quarternary Molecular Structure file(s) for 3D2U Structure Factors (1255 Kb) Retrieve 3D2U in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3D2U from S2C, [Save to disk] Re-refined 3d2u structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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Visual 3D analysis of 3D2U

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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 3D2U, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3d2u] [3d2u_D] [3d2u_B] [3d2u_H] [3d2u_E] [3d2u_C] [3d2u_G] [3d2u_A] [3d2u_F] SWISS-PROT database: [P60709] [P61769] [Q8NHL6] [P08560] Domain organization of [ACTB_HUMAN] [B2MG_HUMAN] [LIRB1_HUMAN] [VGH3_HCMVA] by SWISSPFAM Domains found in 3D2U: [IG] [IG_like] [IGc1 ] by SMART

Other resources with information on 3D2U

Community annotation for 3D2U at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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