2Y7Q	Immune System	date	Feb 01, 2011
title	The High-Affinity Complex Between Ige And Its Receptor Fc Ep
authors	A.M.Davies, M.D.Holdom, J.E.Nettleship, A.J.Beavil, R.J.Owens, B.
compound		source
Molecule: High Affinity Immunoglobulin Epsilon Receptor Sub Alpha; Chain: A Fragment: Soluble Extracellular Domains, Residues 26-201 Synonym: High Affinity Ige Receptor Fc Epsilon Ri, Ige Fc R Subunit Alpha, Fc-Epsilon Ri-Alpha, Fceri; Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Homo Sapiens Expression_system_taxid: 9606 Expression_system_cell_line: Hek293s Expression_system_vector_type: Plasmid Expression_system_vector: Phlsec
Molecule: Ig Epsilon Chain C Region Chain: B, D Fragment: Fc Fragment Comprising Domains Cepsilon2-4, Resid 427; Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Mus Musculus Expression_system_common: House Mouse Expression_system_taxid: 10090 Expression_system_cell_line: Mouse Myeloma Ns0 Expression_system_vector_type: Plasmid Expression_system_vector: Pee6
symmetry	Space Group: P 21 21 21	R_factor 0.245 R_Free 0.292
crystal cell	length a length b length c angle alpha angle beta angle gamma 99.491 103.341 110.122 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.40 Å
ligand	BMA, MAN, NAG	enzyme
Primary reference	Conformational changes in IgE contribute to its uniquely slow dissociation rate from receptor FcvarepsilonRI., Holdom MD, Davies AM, Nettleship JE, Bagby SC, Dhaliwal B, Girardi E, Hunt J, Gould HJ, Beavil AJ, McDonnell JM, Owens RJ, Sutton BJ, Nat Struct Mol Biol. 2011 May;18(5):571-6. Epub 2011 Apr 24. PMID:21516097

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (106 Kb) [Save to disk] Biological Unit Coordinates (2y7q.pdb1.gz) 98 Kb LPC: Ligand-Protein Contacts for 2Y7Q CSU: Contacts of Structural Units for 2Y7Q Structure Factors (369 Kb) Retrieve 2Y7Q in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2Y7Q from S2C, [Save to disk] Re-refined 2y7q structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2Y7Q in 3D

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Visual 3D analysis of 2Y7Q

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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 2Y7Q, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2y7q_A] [2y7q_B] [2y7q] [2y7q_D] SWISS-PROT database: Domain organization of by SWISSPFAM Domains found in 2Y7Q: [IG_like] [IGc1] [IGc2 ] by SMART

Other resources with information on 2Y7Q

Community annotation for 2Y7Q at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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