SASDXQ9

Native state of monomeric full-length glycoside hydrolase family18 chitodextrinase from Vibrio cholerae

Data type: SASBDB experimental data Status: Published Curve type: Single concentration Last updated: 2026-08-05T11:48:50.892645+02:00

The SAS profile obtained by SEC-SAXS connected with Superdex200-increase column size 5x150 mm (Cytiva), flow rate 0.15 mL/min. The 100 µL of 5 mg/mL protein was injected.

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1. Samples, Components and Experimental Conditions Sample & Experiment

Sample 1 · Native state of monomeric full-length glycoside hydrolase family18 chitodextrinase from Vibrio cholerae

Concentration— – 5.0 Buffer / pH100mM HEPES, 150mM NaCl / 7.5
Experimental temperature10.0 Facility / beamlineNSRRC / TPS13A
Wavelength0.0827 nmExposure2.0 s × 240

Molecular Components

ComponentType / organismUniProt and ConstructOligomeric StateMolecular weight
Chitodextrinase
View sequence
AVDCSTLPEWQSSAVYTGGAKVQHKGNAYQANYWTQNNDPETFSGNYAQWKLLDSCSTSGGTNQAPSVTLTAPLATAQVKAGEVMTLAANASDADGSVARVEFSVDGVLVGQATKAPYSASWTATKGTHEFSAVAFDDKGAVSTKNAVTLTVSDAGPANQAPTVAVALSASSVDVGTVVTLSAEAADADGSVEKVDFYVGGALVGTSAKAPYTLNYTATKAGSLAVYARATDNLGAATDSALTTLVVNGVAPVANCRPDGLYQTEGVQVPYCTVYDADGREKMGVDHPRRVIGYFTSWRSGDDPQAAYLVKDIPWEQLTHINYAFVSIGSDGKVNVGDVNDPNNAAVGKEWPGVEIDPTLGFKGHFGALATYKQKYGVKTLISIGGWAETGGHFDANGNRVADGGFYTMTTNADGSINHAAIEKFAASAVEMIRKYKFDGVDIDYEYPTSMAGAGNPDDKGFMEPRRAYLWASYQELMRVLREKLDQASAQDGHHYMLTIAAPSSGYLLRGMETFDVTKYLDYVNIMSYDLHGAWNDHVGHNAALYDTGKDSELAQWNVYGTAQYGGIGYLNTDWAYHYFRGSMPAGRINIGVPYYTRGWQGVTGGENGLWGRAALPNQNLCAPGTGEGEKNNCGHGATGIDNMWHDVNAAGDEMGAGSNPMWHAKNLEKGIWGSYAAAYKLDPTTTPLIGTYVRNYDSVAVAPWLWNAEKKVFLSTEDKQSIDVKADYVIDKEVGGIMFWELAGDYSCYNLDANGKRTSVDPSEQACATGKGEYHMGNTMTKAIYDKFKVATPYGNKVATGAIPAEAVNIAVKVGGFKVGDQNYPINPKITFTNNTGIDIPGGTEFQFDIPVSAPDNAKDQSGGGLKVIASGHTRANNIGGLDGTMHRVAFSLPAWKSLPAGATYELDMVYYLPISGPANYTVKINNVEYAFSFEQPDLPVADLTAGGNTGGNTGGNTGGGTGGGSTGDVIQWVPGSTQVQNGTTVTYNGKCFVAQNNPGVWESPTQSNWFWKEVTCPQA
proteinVibrio choleraeQ9KLP3—–—monomerMolecule count 1108.548 kDa

Experimental Curves

CurvePoints / columnsq rangeUncertainty qualityNegative-intensity pointsSource file
1836[3]0.0069535–2.465187 1/AHas uncertainty columnMissing 00sasbdb/entries/q9/sasdxq9/source/SASDXQ9.dat
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2. Measurements Reported by SASBDB Reported Results

MetricMethodValueUncertaintyUnit
dmaxP(r)17.36—Å
i0Guinier0.129315—1/cm
i0P(r)0.06233594—1/cm
mwExperimental107.2—kDa
mwPorod103.6—kDa
porod_volumePorod125.0—ų
rgGuinier4.1070.021Å
rgP(r)4.1—Å

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 name100mM HEPES, 150mM NaClBuffer concentration—
pH7.5Additives—
Buffer description—
Purity measurement method—Extinction coefficient—
Absorbance—Scattering contrast—
Specific volume / dry volume— / —Mixture / deuteration— / —

Acquisition Conditions and Instrument

Measurement date2025-04-09Storage / measurement temperature25.0 / 10.0
Exposure time2.0Frames240
Wavelength0.0827Sample-to-detector distance2.5
SourceX-ray synchrotronDetectorEiger X 1M & 9M
Facility / beamlineNSRRC / TPS13A · Hsinchu, Taiwan
q range0.07 – 24.652Sample volume / flow rate100.0 / 0.15

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

Downloadable Files

CategoryFileStatusSizeChecksumDownload and View
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full_entry_zip:source record and ZIP contents (9 items)
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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:205 field values
Field pathRaw value
codeSASDXQ9
statusPublished
type_of_curveSingle concentration
angular_unit1/A
project.titleStructure-based functionality of a multi-domain periplasmic chitodextrinase from marine bacterium Vibrio cholerae.
project.publication.titleStructure-based functionality of a multi-domain periplasmic chitodextrinase from marine bacterium Vibrio cholerae.
project.publication.author_listKhumnonkhro K, Chongrungreang T, Sakuda S, Robinson RC, Fukamizo T, Suginta W
project.publication.journalJ Biol Chem
project.publication.doi10.1016/j.jbc.2026.113351
project.publication.pmid42480705
project.publication.published_date2026 Jul 21
project.statusreleased
project.submitted_date2025-09-30
project.released_date2025-10-16
pddf_datahttps://www.sasbdb.org/media/p_of_R_files/SASDXQ9.out
intensities_datahttps://www.sasbdb.org/media/intensities_files/SASDXQ9_2aWXeaY.dat
intensities_log_plothttps://www.sasbdb.org/media/intensities_files/scattering_plots/SASDXQ9_2aWXeaY_dat_img.png
intensities_kratky_plothttps://www.sasbdb.org/media/intensities_files/scattering_plots/SASDXQ9_2aWXeaY_kratky_img.png
pddf_plothttps://www.sasbdb.org/media/p_of_R_files/pofr_images/SASDXQ9_pofr_img.png
intensities_guinier_plothttps://www.sasbdb.org/media/intensities_files/scattering_plots/SASDXQ9_2aWXeaY_guinier_img.png
sascif_datahttps://www.sasbdb.org/media/sascif/sascif_files/SASDXQ9.sascif
experiment.instrument.detector.typenull
experiment.instrument.detector.nameEiger X 1M & 9M
experiment.instrument.detector.resolution0.001
experiment.instrument.nameNSRRC
experiment.instrument.cityHsinchu
experiment.instrument.countryTaiwan
experiment.instrument.beamline_nameTPS13A
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_nameChitodextrinase
experiment.sample.molecule[0].short_nameChDex
experiment.sample.molecule[0].sequenceAVDCSTLPEWQSSAVYTGGAKVQHKGNAYQANYWTQNNDPETFSGNYAQWKLLDSCSTSGGTNQAPSVTLTAPLATAQVKAGEVMTLAANASDADGSVARVEFSVDGVLVGQATKAPYSASWTATKGTHEFSAVAFDDKG AVSTKNAVTLTVSDAGPANQAPTVAVALSASSVDVGTVVTLSAEAADADGSVEKVDFYVGGALVGTSAKA PYTLNYTATKAGSLAVYARATDNLGAATDSALTTLVVNGVAPVANCRPDGLYQTEGVQVPYCTVYDADGR EKMGVDHPRRVIGYFTSWRSGDDPQAAYLVKDIPWEQLTHINYAFVSIGSDGKVNVGDVNDPNNAAVGKE WPGVEIDPTLGFKGHFGALATYKQKYGVKTLISIGGWAETGGHFDANGNRVADGGFYTMTTNADGSINHA AIEKFAASAVEMIRKYKFDGVDIDYEYPTSMAGAGNPDDKGFMEPRRAYLWASYQELMRVLREKLDQASA QDGHHYMLTIAAPSSGYLLRGMETFDVTKYLDYVNIMSYDLHGAWNDHVGHNAALYDTGKDSELAQWNVY GTAQYGGIGYLNTDWAYHYFRGSMPAGRINIGVPYYTRGWQGVTGGENGLWGRAALPNQNLCAPGTGEGE KNNCGHGATGIDNMWHDVNAAGDEMGAGSNPMWHAKNLEKGIWGSYAAAYKLDPTTTPLIGTYVRNYDSV AVAPWLWNAEKKVFLSTEDKQSIDVKADYVIDKEVGGIMFWELAGDYSCYNLDANGKRTSVDPSEQACAT GKGEYHMGNTMTKAIYDKFKVATPYGNKVATGAIPAEAVNIAVKVGGFKVGDQNYPINPKITFTNNTGID IPGGTEFQFDIPVSAPDNAKDQSGGGLKVIASGHTRANNIGGLDGTMHRVAFSLPAWKSLPAGATYELDM VYYLPISGPANYTVKINNVEYAFSFEQPDLPVADLTAGGNTGGNTGGNTGGGTGGGSTGDVIQWVPGSTQ VQNGTTVTYNGKCFVAQNNPGVWESPTQSNWFWKEVTCPQA
experiment.sample.molecule[0].organismVibrio cholerae
experiment.sample.molecule[0].uniprot_codeQ9KLP3
experiment.sample.molecule[0].uniprot_range_firstnull
experiment.sample.molecule[0].uniprot_range_lastnull
experiment.sample.molecule[0].oligomerizationmonomer
experiment.sample.molecule[0].molecular_typeprotein
experiment.sample.molecule[0].uniprot_sequenceMRVLEGKAGKSVFTLSTLTASCLMAFSSYAAVDCSTLPEWQSSAVYTGGAKVQHKGNAYQ ANYWTQNNDPETFSGNYAQWKLLDSCSTSGGTNQAPSVTLTAPLATAQVKAGEVMTLAAN ASDADGSVARVEFSVDGVLVGQATKAPYSASWTATKGTHEFSAVAFDDKGAVSTKNAVTL TVSDAGPANQAPTVAVALSASSVDVGTVVTLSAEAADADGSVEKVDFYVGGALVGTSAKA PYTLNYTATKAGSLAVYARATDNLGAATDSALTTLVVNGVAPVANCRPDGLYQTEGVQVP YCTVYDADGREKMGVDHPRRVIGYFTSWRSGDDPQAAYLVKDIPWEQLTHINYAFVSIGS DGKVNVGDVNDPNNAAVGKEWPGVEIDPTLGFKGHFGALATYKQKYGVKTLISIGGWAET GGHFDANGNRVADGGFYTMTTNADGSINHAAIEKFAASAVEMIRKYKFDGVDIDYEYPTS MAGAGNPDDKGFMEPRRAYLWASYQELMRVLREKLDQASAQDGHHYMLTIAAPSSGYLLR GMETFDVTKYLDYVNIMSYDLHGAWNDHVGHNAALYDTGKDSELAQWNVYGTAQYGGIGY LNTDWAYHYFRGSMPAGRINIGVPYYTRGWQGVTGGENGLWGRAALPNQNLCAPGTGEGE KNNCGHGATGIDNMWHDVNAAGDEMGAGSNPMWHAKNLEKGIWGSYAAAYKLDPTTTPLI GTYVRNYDSVAVAPWLWNAEKKVFLSTEDKQSIDVKADYVIDKEIGGIMFWELAGDYSCY NLDANGKRTSVDPSEQACATGKGEYHMGNTMTKAIYDKFKVATPYGNKVATGAIPAEAVN IAVKVGGFKVGDQNYPINPKITFTNNTGIDIPGGTEFQFDIPVSAPDNAKDQSGGGLKVI ASGHTRANNIGGLDGTMHRVAFSLPAWKSLPAGATYELDMVYYLPISGPANYTVKINNVE YAFSFEQPDLPVADLTAGGNTGGNTGGNTGGGTGGGSTGDVIQWVPGSTQVQNGTTVTYN GKCFVAQNNPGVWESPTQSNWFWKEVTCPQA
experiment.sample.molecule[0].mw108.548
experiment.sample.molecule[0].total_mw108.548
experiment.sample.molecule[0].number_molecules1
experiment.sample.molecule[0].complex_stateFalse
experiment.sample.molecule[0].deuterationnull
experiment.sample.molecule[0].molecule_sourcebiological
experiment.sample.molecule[0].molecule_description
experiment.sample.buffer.name100mM HEPES, 150mM NaCl
experiment.sample.buffer.concentration_unitnull
experiment.sample.buffer.commentnull
experiment.sample.buffer.additivenull
experiment.sample.buffer.concentrationnull
experiment.sample.buffer.pkanull
experiment.sample.buffer.ph7.5
experiment.sample.buffer.deuterationnull
experiment.sample.purity_methodnull
experiment.sample.nameNative state of monomeric full-length glycoside hydrolase family18 chitodextrinase from Vibrio cholerae
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_namenull
experiment.contributor[0].affiliation[0].addressnull
experiment.contributor[0].affiliation[0].full_nameVidyasirimedhi Institute of Science and Technology (VISTEC), Thailand
experiment.contributor[0].affiliation[0].webpagenull
experiment.contributor[0].contributor_nameKanokbhorn
experiment.contributor[0].contributor_surnameKhumnonkhro
experiment.contributor[0].orcid
experiment.concentration_methodnull
experiment.concentration_unitnull
experiment.date2025-04-09
experiment.storage_temperature25.0
experiment.cell_temperature10.0
experiment.exposure_time2.0
experiment.number_of_frames240
experiment.wavelength0.0827
experiment.sample_detector_distance2.5
experiment.concentration_minnull
experiment.concentration_max5.0
experiment.sample_volume100.0
experiment.flow_rate0.15
experiment.s_min0.07
experiment.s_max24.652
experiment.total_exposure_timenull
experiment.seccolumn49
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fits[0].models[0].softwareAlphaFold
fits[0].models[0].pdb_link[]
fits[0].models[0].model_titlenull
fits[0].models[0].type_of_modelatomic
fits[0].models[0].software_versionnull
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fits[0].models[0].model_mw105.4
fits[0].models[0].bead_radiusnull
fits[0].models[0].lognull
fits[0].models[0].symmetrynull
fits[0].models[0].commentCatalytic and chitinase C-terminal are crystal structure, while other are AF
fits[0].models[0].user1240
fits[0].fit_unit1/A
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fits[0].softwareDAMMIF
fits[0].chi_square_value1.207
fits[0].p_value0.2106
fits[0].fit_residual_plotSASDXQ9_fit1_fitresiduals_img.png
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fits[0].description
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fits[1].models[0].pdb_link[]
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fits[1].models[0].model_mwnull
fits[1].models[0].bead_radius1.9
fits[1].models[0].lognull
fits[1].models[0].symmetrynull
fits[1].models[0].commentRANCH model was generated by both AF and crystal structure of some domains
fits[1].models[0].user1240
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fits[1].models[1].model_mwnull
fits[1].models[1].bead_radius1.9
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fits[1].fit_unit1/A
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fits[1].softwareEOM/GAJOE
fits[1].chi_square_value1.344
fits[1].p_value0.5079
fits[1].fit_residual_plotSASDXQ9_fit2_fitresiduals_img.png
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fits[1].software_versionnull
fits[1].description
estimated_volume_methodnull
pddf_softwareBioXTAS RAW
pddf_software_version2.3.0
i0_calibration_standardnull
descriptionThe SAS profile obtained by SEC-SAXS connected with Superdex200-increase column size 5x150 mm (Cytiva), flow rate 0.15 mL/min. The 100 µL of 5 mg/mL protein was injected.
experiment_descriptionnull
tags[]
intensity_unit1/cm
experimental_mw107.2
experimental_mw_errornull
guinier_i0_mwnull
guinier_i0_mw_errornull
porod_mw103.6
porod_mw_errornull
pddf_i00.06233594
pddf_i0_errornull
guinier_i00.129315
guinier_i0_errornull
pddf_rg4.1
pddf_rg_errornull
guinier_rg4.107
guinier_rg_error0.021
pddf_dmax17.36
pddf_dmax_errornull
porod_volume125.0
porod_volume_errornull
estimated_volumenull
estimated_volume_errornull
guinier_point_first15
guinier_point_last55
pddf_point_first11
pddf_point_last232
i0_calibration_standard_datanull
intensities_log_log_plotSASDXQ9_2aWXeaY_datloglog_img.png
symmetrynull
last_modified2026-08-05T11:48:50.892645+02:00
bragg_peak[]
manifest.json:34 field values
Field pathRaw value
codeSASDXQ9
statussuccess
started_at2026-08-11T16:20:22.371045+00:00
finished_at2026-08-11T16:20:31.094841+00:00
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View the complete summary.json source
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  "status": "Published",
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  "angular_unit": "1/A",
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    "title": "Structure-based functionality of a multi-domain periplasmic chitodextrinase from marine bacterium Vibrio cholerae.",
    "publication": {
      "title": "Structure-based functionality of a multi-domain periplasmic chitodextrinase from marine bacterium Vibrio cholerae.",
      "author_list": "Khumnonkhro K, Chongrungreang T, Sakuda S, Robinson RC, Fukamizo T, Suginta W",
      "journal": "J Biol Chem",
      "doi": "10.1016/j.jbc.2026.113351",
      "pmid": "42480705",
      "published_date": "2026 Jul 21"
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View the complete manifest.json source
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