1OR2	Lipid Binding Protein	date	Mar 25, 1999
title	Apolipoprotein E3 (Apoe3) Truncation Mutant 165
authors	B.Rupp, B.W.Segelke, M.Forstner
compound		source
Molecule: Apolipoprotein E Chain: A Fragment: Receptor Binding Domain, Residues 1-165 Synonym: Apoe3 Engineered: Yes Mutation: Yes Other_details: Selenomethionine Mutant Used In Mad Phasing		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Strain: B834(De)Met- Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: B834(De)Met- Expression_system_plasmid: Pet
symmetry	Space Group: P 21 21 21	R_factor 0.267 R_Free 0.297
crystal cell	length a length b length c angle alpha angle beta angle gamma 47.680 55.590 63.590 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	MSE	enzyme
related structures	by homologous chain: 1LE2, 1LE4
Gene Ontology	Chain Function Process Component A
Primary reference	Conformational flexibility in the apolipoprotein E amino-terminal domain structure determined from three new crystal forms: implications for lipid binding., Segelke BW, Forstner M, Knapp M, Trakhanov SD, Parkin S, Newhouse YM, Bellamy HD, Weisgraber KH, Rupp B, Protein Sci 2000 May;9(5):886-97. PMID:10850798

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (27 Kb) [Save to disk] Biological Unit Coordinates (1or2.pdb1.gz) 23 Kb LPC: Ligand-Protein Contacts for 1OR2 CSU: Contacts of Structural Units for 1OR2 Likely Quarternary Molecular Structure file(s) for 1OR2 Structure Factors (40 Kb) Retrieve 1OR2 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1OR2 from S2C, [Save to disk] Re-refined 1or2 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1OR2 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 1OR2

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 3D motif for 1OR2, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1or2a_, region A [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: [1or2_A] [1or2] SWISS-PROT database: [P02649] Domain organization of [APOE_HUMAN] by SWISSPFAM

Other resources with information on 1OR2

Community annotation for 1OR2 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Domain movements in 1OR2 from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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