SASDEQ9

Cyclic GMP-AMP synthase (cGAS) with cyclic guanosine monophosphate–adenosine monophosphate (2'3'-cGAMP)

Data type: SASBDB experimental data Status: Published Curve type: SEC-SAS Last updated: 2023-06-21T07:56:39.492710+02:00
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1. Samples, Components and Experimental Conditions Sample & Experiment

Sample 1 · Cyclic GMP-AMP synthase (cGAS) with cyclic guanosine monophosphate–adenosine monophosphate (2'3'-cGAMP)

Concentration— – 9.0 Buffer / pH20 mM HEPES / 7.4
Experimental temperature20.0 Facility / beamlinePETRA III / EMBL P12
Wavelength0.1241 nmExposure1.0 s × 3600

Molecular Components

ComponentType / organismUniProt and ConstructOligomeric StateMolecular weight
Cyclic GMP-AMP synthase
View sequence
MQPWHGKAMQRASEAGATAPKASARNARGAPMDPTESPAAPEAALPKAGKFGPARKSGSRQKKSAPDTQERPPVRATGARAKKAPQRAQDTQPSDATSAPGAEGLEPPAAREPALSRAGSCRQRGARCSTKPRPPPGPWDVPSPGLPVSAPILVRRDAAPGASKLRAVLEKLKLSRDDISTAAGMVKGVVDHLLLRLKCDSAFRGVGLLNTGSYYEHVKISAPNEFDVMFKLEVPRIQLEEYSNTRAYYFVKFKRNPKENPLSQFLEGEILSASKMLSKFRKIIKEEINDIKDTDVIMKRKRGGSPAVTLLISEKISVDITLALESKSSWPASTQEGLRIQNWLSAKVRKQLRLKPFYLVPKHAKEGNGFQEETWRLSFSHIEKEILNNHGKSKTCCENKEEKCCRKDCLKLMKYLLEQLKERFKDKKHLDKFSSYHVKTAFFHVCTQNPQDSQWDRKDLGLCFDNCVTYFLQCLRTEKLENYFIPEFNLFSSNLIDKRSKEFLTKQIEYERNNEFPVFDEFLEYPYDVPDYAAAALEHHHHHH
proteinHomo sapiensQ8N8841–522dimerMolecule count 261.419 kDa
2'-O,5'-O-((adenosine-3'-O,5'-O-diyl)bisphosphinico)guanosine
View sequence
C20H24N10O13P2
other———–—dimerMolecule count 20.674 kDa

Experimental Curves

CurvePoints / columnsq rangeUncertainty qualityNegative-intensity pointsSource file
11780[3]0.138538–5.02537 1/nmHas uncertainty columnMissing 095sasbdb/entries/q9/sasdeq9/source/SASDEQ9.dat
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2. Measurements Reported by SASBDB Reported Results

MetricMethodValueUncertaintyUnit
dmaxP(r)14.110.71nm
i0Guinier2543.3910.14arbitrary
i0P(r)2559.025.6arbitrary
mwExperimental98.0—kDa
mwPorod74.7—kDa
porod_volumePorod127.0—nm³
rgGuinier3.940.9nm
rgP(r)4.1180.21nm

These values are reported by SASBDB; SAXSdb did not recalculate them from the experimental curve.

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3. Source Fits and Models Source Fits & Models

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4. Source File Index Source Files

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5. Experiment Description and Publication Experiment & Publication

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6. Complete Source Record Complete Source Record

The following content comes directly from the SASBDB entry. Missing values are shown as “—”; SAXSdb does not infer undeclared units.

Open the original SASBDB entry

Buffer and Sample Properties

Buffer name20 mM HEPESBuffer concentration—
pH7.4Additives—
Buffer description—
Purity measurement method—Extinction coefficient—
Absorbance—Scattering contrast—
Specific volume / dry volume— / —Mixture / deuteration— / —

Acquisition Conditions and Instrument

Measurement date2017-04-25Storage / measurement temperature10.0 / 20.0
Exposure time1.0Frames3600
Wavelength0.1241Sample-to-detector distance3.0
SourceX-ray synchrotronDetectorPilatus 2M
Facility / beamlinePETRA III / EMBL P12 · DESY; Hamburg, Germany
q range0.139 – 5.025Sample volume / flow rate— / —

Original SASBDB Plots

Experimental I(q)
Experimental I(q)
Experimental I(q), log-log
Experimental I(q), log-log
Guinier plot
Guinier plot
Kratky plot
Kratky plot
P(r) plot
P(r) plot

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All source fields (unfiltered)

Every source field is expanded here, including empty values, list members and fields already shown above.

summary.json:212 field values
Field pathRaw value
codeSASDEQ9
statusPublished
type_of_curveSEC-SAS
angular_unit1/nm
project.titlecGAS facilitates sensing of extracellular cyclic dinucleotides to activate innate immunity.
project.publication.titlecGAS facilitates sensing of extracellular cyclic dinucleotides to activate innate immunity.
project.publication.author_listLiu H, Moura-Alves P, Pei G, Mollenkopf HJ, Hurwitz R, Wu X, Wang F, Liu S, Ma M, Fei Y, Zhu C, Koehler AB, Oberbeck-Mueller D, Hahnke K, Klemm M, Guhlich-Bornhof U, Ge B, Tuukkanen A, Kolbe M, Dorhoi A, Kaufmann SH
project.publication.journalEMBO Rep
project.publication.doi10.15252/embr.201846293
project.publication.pmid30872316
project.publication.published_date2019 Mar 14
project.statusreleased
project.submitted_date2019-01-14
project.released_date2019-03-20
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experiment.instrument.detector.namePilatus 2M
experiment.instrument.detector.resolutionnull
experiment.instrument.namePETRA III
experiment.instrument.cityDESY; Hamburg
experiment.instrument.countryGermany
experiment.instrument.beamline_nameEMBL P12
experiment.instrument.beam_geometrynull
experiment.instrument.type_of_sourceX-ray synchrotron
experiment.instrument.point_sourcenull
experiment.instrument.line_collimationnull
experiment.instrument.sample_path_lengthnull
experiment.instrument.line_collimation_slitlengthnull
experiment.instrument.line_collimation_integrationwidthnull
experiment.instrument.xray_energynull
experiment.instrument.beam_profile_ahnull
experiment.instrument.beam_profile_alnull
experiment.sample.molecule[0].long_nameCyclic GMP-AMP synthase
experiment.sample.molecule[0].short_namecGAS
experiment.sample.molecule[0].sequenceMQPWHGKAMQRASEAGATAPKASARNARGAPMDPTESPAAPEAALPKAGKFGPARKSGSRQKKSAPDTQERPPVRATGARAKKAPQRAQDTQPSDATSAPGAEGLEPPAAREPALSRAGSCRQRGARCSTKPRPPPGPWDVPSPGLPVSAPILVRRDAAPGASKLRAVLEKLKLSRDDISTAAGMVKGVVDHLLLRLKCDSAFRGVGLLNTGSYYEHVKISAPNEFDVMFKLEVPRIQLEEYSNTRAYYFVKFKRNPKENPLSQFLEGEILSASKMLSKFRKIIKEEINDIKDTDVIMKRKRGGSPAVTLLISEKISVDITLALESKSSWPASTQEGLRIQNWLSAKVRKQLRLKPFYLVPKHAKEGNGFQEETWRLSFSHIEKEILNNHGKSKTCCENKEEKCCRKDCLKLMKYLLEQLKERFKDKKHLDKFSSYHVKTAFFHVCTQNPQDSQWDRKDLGLCFDNCVTYFLQCLRTEKLENYFIPEFNLFSSNLIDKRSKEFLTKQIEYERNNEFPVFDEFLEYPYDVPDYAAAALEHHHHHH
experiment.sample.molecule[0].organismHomo sapiens
experiment.sample.molecule[0].uniprot_codeQ8N884
experiment.sample.molecule[0].uniprot_range_first1
experiment.sample.molecule[0].uniprot_range_last522
experiment.sample.molecule[0].oligomerizationdimer
experiment.sample.molecule[0].molecular_typeprotein
experiment.sample.molecule[0].uniprot_sequenceMQPWHGKAMQRASEAGATAPKASARNARGAPMDPTESPAAPEAALPKAGKFGPARKSGSR QKKSAPDTQERPPVRATGARAKKAPQRAQDTQPSDATSAPGAEGLEPPAAREPALSRAGS CRQRGARCSTKPRPPPGPWDVPSPGLPVSAPILVRRDAAPGASKLRAVLEKLKLSRDDIS TAAGMVKGVVDHLLLRLKCDSAFRGVGLLNTGSYYEHVKISAPNEFDVMFKLEVPRIQLE EYSNTRAYYFVKFKRNPKENPLSQFLEGEILSASKMLSKFRKIIKEEINDIKDTDVIMKR KRGGSPAVTLLISEKISVDITLALESKSSWPASTQEGLRIQNWLSAKVRKQLRLKPFYLV PKHAKEGNGFQEETWRLSFSHIEKEILNNHGKSKTCCENKEEKCCRKDCLKLMKYLLEQL KERFKDKKHLDKFSSYHVKTAFFHVCTQNPQDSQWDRKDLGLCFDNCVTYFLQCLRTEKL ENYFIPEFNLFSSNLIDKRSKEFLTKQIEYERNNEFPVFDEF
experiment.sample.molecule[0].mw61.419
experiment.sample.molecule[0].total_mw122.838
experiment.sample.molecule[0].number_molecules2
experiment.sample.molecule[0].complex_stateFalse
experiment.sample.molecule[0].deuterationnull
experiment.sample.molecule[0].molecule_sourcebiological
experiment.sample.molecule[0].molecule_descriptionnull
experiment.sample.molecule[1].long_name2'-O,5'-O-((adenosine-3'-O,5'-O-diyl)bisphosphinico)guanosine
experiment.sample.molecule[1].short_name2′3′-cGAMP
experiment.sample.molecule[1].sequenceC20H24N10O13P2
experiment.sample.molecule[1].organismnull
experiment.sample.molecule[1].uniprot_codenull
experiment.sample.molecule[1].uniprot_range_firstnull
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experiment.sample.molecule[1].oligomerizationdimer
experiment.sample.molecule[1].molecular_typeother
experiment.sample.molecule[1].uniprot_sequencenull
experiment.sample.molecule[1].mw0.674
experiment.sample.molecule[1].total_mw1.348
experiment.sample.molecule[1].number_molecules2
experiment.sample.molecule[1].complex_stateFalse
experiment.sample.molecule[1].deuterationnull
experiment.sample.molecule[1].molecule_sourcebiological
experiment.sample.molecule[1].molecule_descriptionnull
experiment.sample.buffer.name20 mM HEPES
experiment.sample.buffer.concentration_unitnull
experiment.sample.buffer.commentnull
experiment.sample.buffer.additivenull
experiment.sample.buffer.concentrationnull
experiment.sample.buffer.pkanull
experiment.sample.buffer.ph7.4
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experiment.sample.purity_methodnull
experiment.sample.nameCyclic GMP-AMP synthase (cGAS) with cyclic guanosine monophosphate–adenosine monophosphate (2'3'-cGAMP)
experiment.sample.ext_coefficientnull
experiment.sample.contrastnull
experiment.sample.specific_volnull
experiment.sample.dry_volnull
experiment.sample.absorbptionnull
experiment.sample.deuterationnull
experiment.sample.mixturenull
experiment.contributor[0].affiliation[0].short_nameEMBL-Hamburg
experiment.contributor[0].affiliation[0].addressNotkestraße 85, Geb. 25A, 22607 Hamburg, Deutschland, Germany
experiment.contributor[0].affiliation[0].full_nameEuropean Molecular Biology Laboratory (EMBL) - Hamburg outstation
experiment.contributor[0].affiliation[0].webpagehttp://www.embl-hamburg.de/index.php
experiment.contributor[0].contributor_nameAnne
experiment.contributor[0].contributor_surnameTuukkanen
experiment.contributor[0].orcidnull
experiment.concentration_methodnull
experiment.concentration_unitnull
experiment.date2017-04-25
experiment.storage_temperature10.0
experiment.cell_temperature20.0
experiment.exposure_time1.0
experiment.number_of_frames3600
experiment.wavelength0.1241
experiment.sample_detector_distance3.0
experiment.concentration_minnull
experiment.concentration_max9.0
experiment.sample_volumenull
experiment.flow_ratenull
experiment.s_min0.139
experiment.s_max5.025
experiment.total_exposure_timenull
experiment.seccolumnnull
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pddf_softwareATSAS GNOM
pddf_software_version5.0
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descriptionnull
experiment_descriptionSynchrotron SAXS data from solutions of cyclic GMP-AMP synthase (cGAS) with 2'3'-cGAMP in 20 mM HEPES, pH 7.4 were measured using size-exclusion chromatography SAXS (SEC-SAXS) on the EMBL P12 beam line at the PETRA III storage ring (Hamburg, Germany) using a Pilatus 2M detector at a sample-detector distance of 3 m and at a wavelength of λ = 0.124 nm (l(s) vs s, where s = 4πsinθ/λ, and 2θ is the scattering angle). SEC-SAXS was performed at 20 °C using the following parameters: Column: XXXX ; Flow rate: 0.5 mL/min; Total acquisition time: 3600 x 1 s frames; Sample injection concentration: 9 mg/mL; Injection volume: 75 μL. The data obtained through the sample elution peak were normalized to the intensity of the transmitted beam and radially averaged; the scattering of the solvent-blank was subtracted and the individual subtracted data sets were scaled and averaged to generate the scattering profile displayed in this entry.
tags[]
intensity_unitarbitrary
experimental_mw98.0
experimental_mw_errornull
guinier_i0_mwnull
guinier_i0_mw_errornull
porod_mw74.7
porod_mw_errornull
pddf_i02559.0
pddf_i0_error25.6
guinier_i02543.39
guinier_i0_error10.14
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pddf_rg_error0.21
guinier_rg3.94
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porod_volume127.0
porod_volume_errornull
estimated_volumenull
estimated_volume_errornull
guinier_point_first16
guinier_point_last70
pddf_point_firstnull
pddf_point_lastnull
i0_calibration_standard_datanull
intensities_log_log_plotSASDEQ9_datloglog_img.png
symmetrynull
last_modified2023-06-21T07:56:39.492710+02:00
bragg_peak[]
manifest.json:36 field values
Field pathRaw value
codeSASDEQ9
statussuccess
started_at2026-08-11T16:19:52.815822+00:00
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View the complete summary.json source
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    "title": "cGAS facilitates sensing of extracellular cyclic dinucleotides to activate innate immunity.",
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      "title": "cGAS facilitates sensing of extracellular cyclic dinucleotides to activate innate immunity.",
      "author_list": "Liu H, Moura-Alves P, Pei G, Mollenkopf HJ, Hurwitz R, Wu X, Wang F, Liu S, Ma M, Fei Y, Zhu C, Koehler AB, Oberbeck-Mueller D, Hahnke K, Klemm M, Guhlich-Bornhof U, Ge B, Tuukkanen A, Kolbe M, Dorhoi A, Kaufmann SH",
      "journal": "EMBO Rep",
      "doi": "10.15252/embr.201846293",
      "pmid": "30872316",
      "published_date": "2019 Mar 14"
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    "status": "released",
    "submitted_date": "2019-01-14",
    "released_date": "2019-03-20"
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            "address": "Notkestraße 85, Geb. 25A, 22607 Hamburg, Deutschland, Germany",
            "full_name": "European Molecular Biology Laboratory (EMBL) - Hamburg outstation",
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View the complete manifest.json source
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