3BZF	Immune System	date	Jan 17, 2008
title	The Human Non-Classical Major Histocompatibility Complex Molecule Hla-E
authors	H.L.Hoare, L.C.Sullivan, L.K.Ely, T.Beddoe, K.N.Henderson, J.Lin, C.S.Clements, H.H.Reid, A.G.Brooks, J.Rossjohn
compound		source
Molecule: Hla Class I Histocompatibility Antigen, Alpha Chain E; Chain: A, C Fragment: Residues 1-276 Synonym: Mhc Class I Antigen E Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Beta-2-Microglobulin Chain: B, D Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Leader Peptide Of Hla Class I Histocompatibility Antigen, Cw-7 Alpha Chain; Chain: P, Q Synonym: Mhc Class I Antigen Cw7 Engineered: Yes		Synthetic: Yes Other_details: This Sequence Occurs Naturally In Humans.
symmetry	Space Group: P 1 21 1	R_factor 0.200 R_Free 0.269
crystal cell	length a length b length c angle alpha angle beta angle gamma 79.520 62.301 98.769 90.00 106.15 90.00
method	X-Ray Diffraction	resolution	2.50 Å
Gene Ontology	Chain Function Process Component D, B protein binding positive regulation of T cel... response to molecule of bact... antigen processing and prese... antigen processing and prese... antigen processing and prese... antigen processing and prese... immune response viral reproduction cytokine-mediated signaling ... T cell differentiation in th... protein refolding response to drug antigen processing and prese... innate immune response response to cadmium ion regulation of defense respon... regulation of immune respons... interferon-gamma-mediated si... Golgi membrane extracellular region extracellular space endoplasmic reticulum lumen plasma membrane external side of plasma memb... ER to Golgi transport vesicl... phagocytic vesicle membrane early endosome membrane early endosome lumen MHC class I protein complex
Primary reference	Subtle changes in peptide conformation profoundly affect recognition of the non-classical MHC class I molecule HLA-E by the CD94-NKG2 natural killer cell receptors., Hoare HL, Sullivan LC, Clements CS, Ely LK, Beddoe T, Henderson KN, Lin J, Reid HH, Brooks AG, Rossjohn J, J Mol Biol. 2008 Apr 11;377(5):1297-303. Epub 2008 Feb 12. PMID:18339401

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (137 Kb) [Save to disk] Biological Unit Coordinates (3bzf.pdb1.gz) 68 Kb Biological Unit Coordinates (3bzf.pdb2.gz) 68 Kb CSU: Contacts of Structural Units for 3BZF Likely Quarternary Molecular Structure file(s) for 3BZF Structure Factors (241 Kb) Retrieve 3BZF in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3BZF from S2C, [Save to disk] Re-refined 3bzf structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3BZF 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 3BZF

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

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3bzf_A] [3bzf_B] [3bzf_C] [3bzf_D] [3bzf_P] [3bzf_Q] SWISS-PROT database: [P10321] [P61769] [P13747] Domain organization of [1C07_HUMAN] [B2MG_HUMAN] [HLAE_HUMAN] by SWISSPFAM Domain found in 3BZF: [IGc1 ] by SMART Alignments of the sequence of 3BZF with the sequences similar proteins can be viewed for 3BZF's classification [1C07_HUMAN] [B2MG_HUMAN] [HLAE_HUMAN] 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 [1C07_HUMAN] [B2MG_HUMAN] [HLAE_HUMAN] at ProtoMap. Click on the Cluster number.

Other resources with information on 3BZF

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

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