3Q0H	Immune System	date	Dec 15, 2010
title	Structure Of T-Cell Immunoreceptor With Immunoglobulin And I Domains (Tigit)
authors	U.A.Ramagopal, H.Guo, D.Samanta, S.G.Nathenson, S.C.Almo, New Yor Structural Genomics Research Consortium (Nysgrc)
compound		source
Molecule: T Cell Immunoreceptor With Ig And Itim Domains Chain: A, B Fragment: Ig-Like V-Type Domain Residues 22-137 Synonym: V-Set And Immunoglobulin Domain-Containing Protein And Transmembrane Domain-Containing Protein 3; Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Tigit, Vsig9, Vstm3 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet3a
symmetry	Space Group: P 1 21 1	R_factor 0.207 R_Free 0.237
crystal cell	length a length b length c angle alpha angle beta angle gamma 39.951 74.671 43.346 90.00 92.39 90.00
method	X-Ray Diffraction	resolution	1.70 Å
note	3Q0H is a representative structure

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (82 Kb) [Save to disk] Biological Unit Coordinates (3q0h.pdb1.gz) 40 Kb Biological Unit Coordinates (3q0h.pdb2.gz) 39 Kb CSU: Contacts of Structural Units for 3Q0H Structure Factors (404 Kb) Retrieve 3Q0H in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3Q0H from S2C, [Save to disk] Re-refined 3q0h structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3Q0H 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 3Q0H

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 3Q0H, from MSDmotif at EBI Fold representative 3q0h from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3q0h_A] [3q0h_B] SWISS-PROT database: Domain organization of by SWISSPFAM Alignments of the sequence of 3Q0H with the sequences similar proteins can be viewed for 3Q0H'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 3Q0H

Community annotation for 3Q0H at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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