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 Experiment
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 Diffractionresolution 2.50 Å
ligand MSE enzyme
related structures by homologous chain: 1LE2, 1LE4
Gene
Ontology
ChainFunctionProcessComponent
A
  • beta-amyloid binding
  • lipid transporter activity
  • protein binding
  • phospholipid binding
  • heparin binding
  • lipid binding
  • antioxidant activity
  • cholesterol transporter acti...
  • identical protein binding
  • protein homodimerization act...
  • hydroxyapatite binding
  • metal chelating activity
  • protein heterodimerization a...
  • tau protein binding
  • low-density lipoprotein part...
  • phosphatidylcholine-sterol O...
  • very-low-density lipoprotein...
  • lipoprotein particle binding...
  • response to reactive oxygen ...
  • retinoid metabolic process
  • negative regulation of endot...
  • response to dietary excess
  • lipid metabolic process
  • triglyceride metabolic proce...
  • cholesterol catabolic proces...
  • transport
  • lipid transport
  • cellular calcium ion homeost...
  • receptor-mediated endocytosi...
  • response to oxidative stress...
  • cytoskeleton organization
  • G-protein coupled receptor s...
  • nitric oxide mediated signal...
  • synaptic transmission, choli...
  • aging
  • phototransduction, visible l...
  • steroid metabolic process
  • cholesterol metabolic proces...
  • cell death
  • regulation of gene expressio...
  • negative regulation of plate...
  • positive regulation of chole...
  • positive regulation of chole...
  • peripheral nervous system ax...
  • cGMP-mediated signaling
  • negative regulation of blood...
  • regulation of axon extension...
  • positive regulation of cGMP ...
  • regulation of Cdc42 protein ...
  • response to retinoic acid
  • positive regulation of low-d...
  • response to insulin stimulus...
  • cholesterol efflux
  • phospholipid efflux
  • very-low-density lipoprotein...
  • low-density lipoprotein part...
  • high-density lipoprotein par...
  • high-density lipoprotein par...
  • chylomicron remnant clearanc...
  • high-density lipoprotein par...
  • very-low-density lipoprotein...
  • lipoprotein metabolic proces...
  • lipoprotein biosynthetic pro...
  • lipoprotein catabolic proces...
  • vasodilation
  • cholesterol homeostasis
  • negative regulation of apopt...
  • negative regulation of MAP k...
  • negative regulation of neuro...
  • negative regulation of blood...
  • reverse cholesterol transpor...
  • small molecule metabolic pro...
  • response to ethanol
  • negative regulation of chole...
  • positive regulation of axon ...
  • intracellular transport
  • regulation of neuronal synap...
  • oligodendrocyte differentiat...
  • artery morphogenesis
  • negative regulation of infla...
  • positive regulation of nitri...
  • positive regulation of membr...
  • maintenance of location in c...
  • lipid homeostasis
  • cellular response to interle...
  • cellular response to growth ...
  • cellular response to cholest...
  • cardiovascular system develo...
  • extracellular region
  • extracellular space
  • cytoplasm
  • early endosome
  • late endosome
  • Golgi apparatus
  • plasma membrane
  • dendrite
  • extrinsic to external side o...
  • very-low-density lipoprotein...
  • low-density lipoprotein part...
  • intermediate-density lipopro...
  • high-density lipoprotein par...
  • chylomicron
  • neuronal cell body
  • Primary referenceConformational 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] (28 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.
  • On AstexViewer, from MSD-EBI (viewer documentation).
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  • Electron Density related parameters from EDS Electron Density Server, at Upsala
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  • 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]
  • Fold representative 1or2 from FSSP and Dali (Families of Structurally Similar Proteins)
  • 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]
  • SWISS-PROT database: [P02649]
  • Domain organization of [APOE_HUMAN] by SWISSPFAM
  • Alignments of the sequence of 1OR2 with the sequences similar proteins can be viewed for 1OR2's classification [APOE_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 [APOE_HUMAN] at ProtoMap. Click on the Cluster number.
  • Other resources with information on 1OR2
  • Community annotation for 1OR2 at PDBWiki (http://pdbwiki.org)
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  • Domain movements in 1OR2 from the Database of Macromolecular Movements.
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