+Open data
-Basic information
Entry | Database: PDB / ID: 1bz4 | ||||||
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Title | APOLIPOPROTEIN E3 (APO-E3), TRUNCATION MUTANT 165 | ||||||
Components | PROTEIN (APOLIPOPROTEIN E) | ||||||
Keywords | LIPID BINDING PROTEIN / LIPID TRANSPORT / HEPARIN-BINDING / PLASMA PROTEIN / HDL / VLDL | ||||||
Function / homology | Function and homology information chylomicron remnant / lipid transport involved in lipid storage / triglyceride-rich lipoprotein particle clearance / intermediate-density lipoprotein particle clearance / positive regulation of lipid transport across blood-brain barrier / positive regulation of heparan sulfate proteoglycan binding / regulation of cellular response to very-low-density lipoprotein particle stimulus / metal chelating activity / Transcriptional regulation by the AP-2 (TFAP2) family of transcription factors / lipoprotein particle ...chylomicron remnant / lipid transport involved in lipid storage / triglyceride-rich lipoprotein particle clearance / intermediate-density lipoprotein particle clearance / positive regulation of lipid transport across blood-brain barrier / positive regulation of heparan sulfate proteoglycan binding / regulation of cellular response to very-low-density lipoprotein particle stimulus / metal chelating activity / Transcriptional regulation by the AP-2 (TFAP2) family of transcription factors / lipoprotein particle / regulation of amyloid-beta clearance / discoidal high-density lipoprotein particle / intermediate-density lipoprotein particle / chylomicron remnant clearance / maintenance of location in cell / very-low-density lipoprotein particle clearance / very-low-density lipoprotein particle remodeling / Chylomicron clearance / negative regulation of triglyceride metabolic process / response to caloric restriction / acylglycerol homeostasis / NMDA glutamate receptor clustering / Chylomicron remodeling / phosphatidylcholine-sterol O-acyltransferase activator activity / lipid transporter activity / positive regulation of phospholipid efflux / Chylomicron assembly / positive regulation of low-density lipoprotein particle receptor catabolic process / positive regulation of cholesterol metabolic process / regulation of behavioral fear response / regulation of amyloid fibril formation / regulation of protein metabolic process / high-density lipoprotein particle clearance / multivesicular body, internal vesicle / lipoprotein catabolic process / melanosome organization / chylomicron / high-density lipoprotein particle remodeling / very-low-density lipoprotein particle receptor binding / phospholipid efflux / AMPA glutamate receptor clustering / positive regulation by host of viral process / very-low-density lipoprotein particle / reverse cholesterol transport / positive regulation of amyloid-beta clearance / cholesterol transfer activity / high-density lipoprotein particle assembly / low-density lipoprotein particle / positive regulation of CoA-transferase activity / lipoprotein biosynthetic process / protein import / negative regulation of blood coagulation / high-density lipoprotein particle / low-density lipoprotein particle remodeling / negative regulation of amyloid fibril formation / synaptic transmission, cholinergic / heparan sulfate proteoglycan binding / negative regulation of cholesterol biosynthetic process / amyloid precursor protein metabolic process / regulation of Cdc42 protein signal transduction / triglyceride homeostasis / regulation of amyloid precursor protein catabolic process / positive regulation of membrane protein ectodomain proteolysis / HDL remodeling / negative regulation of endothelial cell migration / Scavenging by Class A Receptors / negative regulation of protein metabolic process / artery morphogenesis / cholesterol efflux / regulation of axon extension / regulation of cholesterol metabolic process / positive regulation of amyloid fibril formation / low-density lipoprotein particle receptor binding / triglyceride metabolic process / positive regulation of dendritic spine development / regulation of innate immune response / virion assembly / locomotory exploration behavior / regulation of neuronal synaptic plasticity / negative regulation of amyloid-beta formation / negative regulation of endothelial cell proliferation / lipoprotein particle binding / positive regulation of endocytosis / antioxidant activity / response to dietary excess / negative regulation of blood vessel endothelial cell migration / negative regulation of long-term synaptic potentiation / positive regulation of dendritic spine maintenance / negative regulation of platelet activation / positive regulation of cholesterol efflux / intracellular transport / regulation of protein-containing complex assembly / negative regulation of protein secretion / fatty acid homeostasis / cholesterol catabolic process / long-term memory / long-chain fatty acid transport / positive regulation of lipid biosynthetic process / synaptic cleft / regulation of proteasomal protein catabolic process Similarity search - Function | ||||||
Biological species | Homo sapiens (human) | ||||||
Method | X-RAY DIFFRACTION / Resolution: 1.85 Å | ||||||
Authors | Rupp, B. / Segelke, B. | ||||||
Citation | Journal: Protein Sci. / Year: 2000 Title: Conformational flexibility in the apolipoprotein E amino-terminal domain structure determined from three new crystal forms: implications for lipid binding. Authors: Segelke, B.W. / Forstner, M. / Knapp, M. / Trakhanov, S.D. / Parkin, S. / Newhouse, Y.M. / Bellamy, H.D. / Weisgraber, K.H. / Rupp, B. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1bz4.cif.gz | 46 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1bz4.ent.gz | 32.6 KB | Display | PDB format |
PDBx/mmJSON format | 1bz4.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 1bz4_validation.pdf.gz | 422.6 KB | Display | wwPDB validaton report |
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Full document | 1bz4_full_validation.pdf.gz | 423.6 KB | Display | |
Data in XML | 1bz4_validation.xml.gz | 9.8 KB | Display | |
Data in CIF | 1bz4_validation.cif.gz | 14.2 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/bz/1bz4 ftp://data.pdbj.org/pub/pdb/validation_reports/bz/1bz4 | HTTPS FTP |
-Related structure data
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
#1: Protein | Mass: 16759.078 Da / Num. of mol.: 1 Fragment: 22K FRAGMENT, RECEPTOR BINDING DOMAIN, RESIDUES 1-165, TRUNCATION AT RESIDUE 165 Source method: isolated from a genetically manipulated source Details: SELENOMETHIONINE MUTANT USED IN MAD PHASING EXPERIMENT Source: (gene. exp.) Homo sapiens (human) / Plasmid: PET / Production host: Escherichia coli (E. coli) / Strain (production host): BL21 AND B834(DE)MET / References: UniProt: P02649 |
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#2: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 2.39 Å3/Da / Density % sol: 48.5 % Description: 4 WAVELENGTHS USED FOR SE-MET MAD PHASING (SSRL BEAMLINE 1-5) | ||||||||||||||||||||||||||||||
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Crystal grow | pH: 5.6 Details: RT, 50MM NA-CACODYLATE, PH 5.6, 20-25% PEG 400, 1% 2-ME. NOTE : W/O 2-ME, ANOTHER ORTHORHOMBIC FORM APPEARS (SEE PDB ENTRY 1oR2). | ||||||||||||||||||||||||||||||
Crystal grow | *PLUS Method: vapor diffusion, hanging drop | ||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 125 K |
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Diffraction source | Source: ROTATING ANODE / Type: RIGAKU RU200 / Wavelength: 1.5418 |
Detector | Type: ADSC / Detector: AREA DETECTOR / Date: May 15, 1997 / Details: COLLIMATOR |
Radiation | Monochromator: GRAPHITE / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 1.84→20 Å / Num. obs: 16493 / % possible obs: 99.1 % / Observed criterion σ(I): 0 / Redundancy: 4.9 % / Biso Wilson estimate: 18.1 Å2 / Rmerge(I) obs: 0.037 / Rsym value: 0.037 / Net I/σ(I): 27.4 |
Reflection shell | Resolution: 1.84→1.98 Å / Redundancy: 3.1 % / Rmerge(I) obs: 0.199 / Mean I/σ(I) obs: 3.7 / Rsym value: 0.199 / % possible all: 98.7 |
Reflection | *PLUS Num. measured all: 81518 |
Reflection shell | *PLUS % possible obs: 93.4 % |
-Processing
Software |
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Refinement | Resolution: 1.85→12 Å / Rfactor Rfree error: 0.006 / Data cutoff high absF: 10000000 / Data cutoff low absF: 0.001 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 2 / Details: BULK SOLVENT MODEL USED
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Displacement parameters | Biso mean: 26.8 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 1.85→12 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.85→1.92 Å / Rfactor Rfree error: 0.021 / Total num. of bins used: 10
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Xplor file |
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Software | *PLUS Name: X-PLOR / Version: 3.851 / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS σ(F): 2 / % reflection Rfree: 10.1 % | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS Biso mean: 26.8 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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LS refinement shell | *PLUS Rfactor Rfree: 0.258 / % reflection Rfree: 11.4 % / Rfactor Rwork: 0.253 |