2H2R	Immune System	date	May 19, 2006
title	Crystal Structure Of The Human Cd23 Lectin Domain, Apo Form
authors	B.A.Wurzburg
compound		source
Molecule: Low Affinity Immunoglobulin Epsilon Fc Receptor ( Ige Receptor) (Fc-Epsilon-Rii)(Immunoglobulin E-Binding Fac Antigen); Chain: A, B Fragment: Lectin Domain Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Fcer2 Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108 Expression_system_strain: Sf+ Expression_system_vector_type: Recombinant Baculovirus Expression_system_plasmid: Pbacgus-3
symmetry	Space Group: C 1 2 1	R_factor 0.124 R_Free 0.165
crystal cell	length a length b length c angle alpha angle beta angle gamma 112.354 50.667 75.061 90.00 127.09 90.00
method	X-Ray Diffraction	resolution	1.50 Å
Primary reference	Structural Changes in the Lectin Domain of CD23, the Low-Affinity IgE Receptor, upon Calcium Binding., Wurzburg BA, Tarchevskaya SS, Jardetzky TS, Structure. 2006 Jun;14(6):1049-58. PMID:16765898

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (110 Kb) [Save to disk] Biological Unit Coordinates (2h2r.pdb1.gz) 104 Kb CSU: Contacts of Structural Units for 2H2R Likely Quarternary Molecular Structure file(s) for 2H2R Structure Factors (766 Kb) Retrieve 2H2R in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2H2R from S2C, [Save to disk] Re-refined 2h2r structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2H2R 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 2H2R

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2H2R, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2h2r_A] [2h2r] [2h2r_B] SWISS-PROT database: [P06734] Domain organization of [FCER2_HUMAN] by SWISSPFAM Domain found in 2H2R: [CLECT ] by SMART

Other resources with information on 2H2R

Community annotation for 2H2R at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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