1EXU	Immune System	date	May 04, 2000
title	Crystal Structure Of The Human Mhc-Related Fc Receptor
authors	A.P.West Jr., P.J.Bjorkman
compound		source
Molecule: Igg Receptor Fcrn Large Subunit P51 Chain: A Fragment: Extracellular Ligand Binding Domain Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Tissue: Placenta Expression_system: Cricetulus Griseus Expression_system_common: Chinese Hamster Expression_system_taxid: 10029 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pbj5-Gs
Molecule: Beta-2-Microglobulin Chain: B Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Cricetulus Griseus Expression_system_common: Chinese Hamster Expression_system_taxid: 10029 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pbj1
symmetry	Space Group: P 43 21 2	R_factor 0.197 R_Free 0.247
crystal cell	length a length b length c angle alpha angle beta angle gamma 66.387 66.387 221.813 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.70 Å
ligand	BME	enzyme
related structures	by homologous chain: 1CD1, 1CG9, 1I1A, 3FRU
Gene Ontology	Chain Function Process Component B cellular response to iron io...
Primary reference	Crystal structure and immunoglobulin G binding properties of the human major histocompatibility complex-related Fc receptor(,)., West AP Jr, Bjorkman PJ, Biochemistry 2000 Aug 15;39(32):9698-708. PMID:10933786

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (62 Kb) [Save to disk] Biological Unit Coordinates (1exu.pdb1.gz) 57 Kb LPC: Ligand-Protein Contacts for 1EXU CSU: Contacts of Structural Units for 1EXU Likely Quarternary Molecular Structure file(s) for 1EXU Retrieve 1EXU in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1EXU from S2C, [Save to disk]

View 1EXU 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 1EXU

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1EXU, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1exua1, region A:177-267 [Jmol] [rasmolscript] [script source]     - Domain d1exua2, region A:4-176 [Jmol] [rasmolscript] [script source]     - Domain d1exub_, region B [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1exu_A] [1exu] [1exu_B] SWISS-PROT database: [P61769] [P55899] Domain organization of [B2MG_HUMAN] [FCGRN_HUMAN] by SWISSPFAM Domain found in 1EXU: [IGc1 ] by SMART

Other resources with information on 1EXU

Community annotation for 1EXU at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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