3LQZ	Immune System	date	Feb 10, 2010
title	Crystal Structure Of Hla-Dp2
authors	S.Dai
compound		source
Molecule: Hla Class II Histocompatibility Antigen, Dp Alpha Chain: A Synonym: Hla-Sb Alpha Chain, Mhc Class II Dp3-Alpha, Dp(W3) Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Hla-Dp1a, Hla-Dpa1, Hla-Dpa10103, Hlasb Expression_system: Unidentified Baculovirus Expression_system_taxid: 10469 Expression_system_strain: Bti-Tn-5b1-4
Molecule: Hla-Dp2 Beta Chain Linked With Dra Peptide Chain: B Synonym: Major Histocompatibility Complex, Class II, Dp Bet Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Dama-245o6.7-001, Hla-Dpb1, Hla-Dpb10201 Expression_system: Unidentified Baculovirus Expression_system_taxid: 10469 Expression_system_strain: Bti-Tn-5b1-4
symmetry	Space Group: P 31 2 1	R_factor 0.217 R_Free 0.251
crystal cell	length a length b length c angle alpha angle beta angle gamma 157.171 157.171 61.835 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	3.25 Å
ligand	NAG, NDG	enzyme
Primary reference	Crystal structure of HLA-DP2 and implications for chronic beryllium disease., Dai S, Murphy GA, Crawford F, Mack DG, Falta MT, Marrack P, Kappler JW, Fontenot AP, Proc Natl Acad Sci U S A. 2010 Mar 31. PMID:20356827

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (70 Kb) [Save to disk] Biological Unit Coordinates (3lqz.pdb1.gz) 64 Kb LPC: Ligand-Protein Contacts for 3LQZ CSU: Contacts of Structural Units for 3LQZ Structure Factors (206 Kb) Retrieve 3LQZ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3LQZ from S2C, [Save to disk] Re-refined 3lqz structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3LQZ 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. On AstexViewer, from MSD-EBI (viewer documentation). On RasMol (Install RasMol freeware) Here's help on how to use RasMol.

Visual 3D analysis of 3LQZ

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 3LQZ, from MSDmotif at EBI Fold representative 3lqz from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3lqz_A] [3lqz_B] SWISS-PROT database: Domain organization of by SWISSPFAM Alignments of the sequence of 3LQZ with the sequences similar proteins can be viewed for 3LQZ's classification at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list. A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification at ProtoMap. Click on the Cluster number.

Other resources with information on 3LQZ

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

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