SASDGB9: Apolipoprotein E2 bound to 1 mM Suramin (SEC-SAXS)

Basic information

Entry

Database: SASBDB / ID: SASDGB9

Sample

Apolipoprotein E2 bound to 1 mM Suramin (SEC-SAXS)

• Apolipoprotein E2 (protein), ApoE2, Homo sapiens
• Suramin (other)

Function / homology

Function:

lipid transport involved in lipid storage / intermediate-density lipoprotein particle clearance / positive regulation of lipid transport across blood-brain barrier / regulation of cellular response to very-low-density lipoprotein particle stimulus / metal chelating activity / triglyceride-rich lipoprotein particle clearance / discoidal high-density lipoprotein particle / lipoprotein particle / negative regulation of triglyceride metabolic process / maintenance of location in cell / regulation of amyloid-beta clearance / negative regulation of cholesterol biosynthetic process / positive regulation of lipoprotein transport / Transcriptional regulation by the AP-2 (TFAP2) family of transcription factors / chylomicron remnant clearance / chylomicron remnant / intermediate-density lipoprotein particle / acylglycerol homeostasis / NMDA glutamate receptor clustering / very-low-density lipoprotein particle remodeling / Chylomicron clearance / phosphatidylcholine-sterol O-acyltransferase activator activity / positive regulation of phospholipid efflux / Chylomicron remodeling / lipid transporter activity / positive regulation of low-density lipoprotein particle receptor catabolic process / cellular response to lipoprotein particle stimulus / regulation of protein metabolic process / very-low-density lipoprotein particle clearance / Chylomicron assembly / response to caloric restriction / high-density lipoprotein particle clearance / phospholipid efflux / chylomicron / very-low-density lipoprotein particle receptor binding / regulation of amyloid fibril formation / lipoprotein catabolic process / AMPA glutamate receptor clustering / high-density lipoprotein particle remodeling / melanosome organization / positive regulation of cholesterol metabolic process / regulation of behavioral fear response / multivesicular body, internal vesicle / reverse cholesterol transport / positive regulation of amyloid-beta clearance / high-density lipoprotein particle assembly / host-mediated activation of viral process / low-density lipoprotein particle / lipoprotein biosynthetic process / cholesterol transfer activity / protein import / high-density lipoprotein particle / very-low-density lipoprotein particle / cholesterol catabolic process / heparan sulfate proteoglycan binding / low-density lipoprotein particle remodeling / amyloid precursor protein metabolic process / negative regulation of amyloid fibril formation / positive regulation of membrane protein ectodomain proteolysis / regulation of Cdc42 protein signal transduction / synaptic transmission, cholinergic / regulation of amyloid precursor protein catabolic process / HDL remodeling / negative regulation of endothelial cell migration / cholesterol efflux / regulation of cholesterol metabolic process / artery morphogenesis / regulation of axon extension / negative regulation of protein metabolic process / Scavenging by Class A Receptors / triglyceride homeostasis / triglyceride metabolic process / positive regulation of amyloid fibril formation / low-density lipoprotein particle receptor binding / regulation of innate immune response / virion assembly / negative regulation of endothelial cell proliferation / positive regulation of dendritic spine development / response to dietary excess / antioxidant activity / negative regulation of MAP kinase activity / lipoprotein particle binding / negative regulation of amyloid-beta formation / locomotory exploration behavior / negative regulation of long-term synaptic potentiation / negative regulation of blood vessel endothelial cell migration / negative regulation of platelet activation / negative regulation of blood coagulation / positive regulation of dendritic spine maintenance / positive regulation of endocytosis / regulation of neuronal synaptic plasticity / positive regulation of cholesterol efflux / negative regulation of protein secretion / fatty acid homeostasis / long-term memory / regulation of protein-containing complex assembly / intracellular transport / synaptic cleft / long-chain fatty acid transport / positive regulation of lipid biosynthetic process

Domain/homology:

Apolipoprotein A/E / : / Apolipoprotein A1/A4/E domain

Component:

Apolipoprotein E

• Biological species: Homo sapiens (human)

Contact author

• Lucas Kraft (University of Sussex, Brighton, UK)

Models

Sample

• Sample: Name: Apolipoprotein E2 bound to 1 mM Suramin (SEC-SAXS) / Specimen concentration: 10 mg/ml / Entity id: 1086 / 1682
• Buffer: Name: 20 mM HEPES, 300 mM NaCl, 1 mM TCEP / pH: 8

Entity #1086

Name: ApoE2 / Type: protein / Description: Apolipoprotein E2 / Formula weight: 34.606 / Num. of mol.: 4 / Source: Homo sapiens / References: UniProt: P02649
Sequence:

GPHMKVEQAV ETEPEPELRQ QTEWQSGQRW ELALGRFWDY LRWVQTLSEQ VQEELLSSQV TQELRALMDE TMKELKAYKS ELEEQLTPVA EETRARLSKE LQAAQARLGA DMEDVCGRLV QYRGEVQAML GQSTEELRVR LASHLRKLRK RLLRDADDLQ KCLAVYQAGA REGAERGLSA IRERLGPLVE QGRVRAATVG SLAGQPLQER AQAWGERLRA RMEEMGSRTR DRLDEVKEQV AEVRAKLEEQ AQQIRLQAEA FQARLKSWFE PLVEDMQRQW AGLVEKVQAA VGTSAAPVPS DNH

Entity #1682

Type: other / Description: Suramin / Formula weight: 1.297 / Num. of mol.: 1
Sequence:

C51H40N6O2 3S6

Experimental information

• Beam: Instrument name: Diamond Light Source B21 / City: Didcot / 国: UK / Shape: 1 x 5 mm / Type of source: X-ray synchrotron / Wavelength: 0.1 Å / Dist. spec. to detc.: 4.036 mm
• Detector: Name: Pilatus 2M

Scan

Title: Apolipoprotein E2 bound to 1 mM Suramin (SEC-SAXS) / Measurement date: May 3, 2018 / Storage temperature: 20 °C / Cell temperature: 20 °C / Exposure time: 3 sec. / Number of frames: 14 / Unit: 1/A /

	Min	Max
Q	0.003	0.37

Distance distribution function P(R)

Sofotware P(R): GNOM 5.0 / Number of points: 1282 /

	Min	Max
Q	0.00700606	0.292104
P(R) point	1	1282
R	0	183

Result

Experimental MW: 148 kDa / Type of curve: sec
Comments: ApoE2 at 10 mg/mL was preequilibrated with 1 mM Suramin and then gel-filtered in 20 mM HEPES, 300 mM NaCl, 1 mM TCEP, pH 8.0.

	P(R)	Guinier	Guinier error
Forward scattering, I0	0.2844	0.28	0.0003
Radius of gyration, Rg	5.36 nm	5.142 nm	0.009

	Min	Max
D	-	18.3
Guinier point	19	100