SASDBG4

Prophage LytA with choline

Data type: SASBDB experimental data Status: Published Curve type: Extrapolated to infinite dilution Last updated: 2023-05-25T11:21:52.654103+02:00

SAXS data demonstrate that the wild type (SASDBF4) and bacteriophage LytA are similar in shape and that both form dimers in solution in the presence of choline.

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1. Samples, Components and Experimental Conditions Sample & Experiment

Sample 1 · Prophage LytA with choline

Concentration2.0 – 10.0 mg/mlBuffer / pH20 mM Tris 150 mM NaCl 5 mM choline chloride 1 µM ZnCl2 / 7.5
Experimental temperature10.0 Facility / beamlineDORIS III, DESY / EMBL X33
Wavelength0.15 nmExposure15.0 s × 8

Molecular Components

ComponentType / organismUniProt and ConstructOligomeric StateMolecular weight
Prophage Lytic Amidase with cholineproteinStreptococcus pneumoniae——–—dimerMolecule count 236.4 kDa

Experimental Curves

CurvePoints / columnsq rangeUncertainty qualityNegative-intensity pointsSource file
12153[3]0.135478–6.02412 1/nmHas uncertainty columnMissing 06sasbdb/entries/g4/sasdbg4/source/SASDBG4.dat
▼

2. Measurements Reported by SASBDB Reported Results

MetricMethodValueUncertaintyUnit
dmaxP(r)17.01.7nm
i0Guinier98.41——
i0P(r)91.81——
mwExperimental113.011.0kDa
mwGuinier I(0)66.0—kDa
mwPorod81.08.0kDa
porod_volumePorod130.0—nm³
rgGuinier5.9—nm
rgP(r)5.4—nm

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

▶

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 Tris 150 mM NaCl 5 mM choline chloride 1 µM ZnCl2Buffer concentration20.0 mM
pH7.5Additives150 mM NaCl, 5 mM choline chloride, 1 µM ZnCl2
Buffer descriptionwith choline
Purity measurement method—Extinction coefficient—
Absorbance—Scattering contrast—
Specific volume / dry volume— / —Mixture / deuterationFalse / —

Acquisition Conditions and Instrument

Measurement date2011-07-02Storage / measurement temperature— / 10.0
Exposure time15.0Frames8
Wavelength0.15Sample-to-detector distance2.7
SourceX-ray synchrotronDetectorPilatus 1M-W
Facility / beamlineDORIS III, DESY / EMBL X33 · Hamburg, Germany
q range0.135 – 6.024Sample 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

Downloadable Files

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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:156 field values
Field pathRaw value
codeSASDBG4
statusPublished
type_of_curveExtrapolated to infinite dilution
angular_unit1/nm
project.titleStructural and functional insights into peptidoglycan access for the lytic amidase LytA of Streptococcus pneumoniae.
project.publication.titleStructural and functional insights into peptidoglycan access for the lytic amidase LytA of Streptococcus pneumoniae.
project.publication.author_listMellroth P, Sandalova T, Kikhney A, Vilaplana F, Hesek D, Lee M, Mobashery S, Normark S, Svergun D, Henriques-Normark B, Achour A
project.publication.journalMBio
project.publication.doi10.1128/mBio.01120-13
project.publication.pmid24520066
project.publication.published_date2014 Feb 11
project.statusreleased
project.submitted_date2014-02-11
project.released_date2016-03-16
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experiment.instrument.detector.namePilatus 1M-W
experiment.instrument.detector.resolution0.172
experiment.instrument.nameDORIS III, DESY
experiment.instrument.cityHamburg
experiment.instrument.countryGermany
experiment.instrument.beamline_nameEMBL X33
experiment.instrument.beam_geometry0.60
experiment.instrument.type_of_sourceX-ray synchrotron
experiment.instrument.point_sourcenull
experiment.instrument.line_collimationnull
experiment.instrument.sample_path_lengthnull
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experiment.instrument.xray_energynull
experiment.instrument.beam_profile_ahnull
experiment.instrument.beam_profile_alnull
experiment.sample.molecule[0].long_nameProphage Lytic Amidase with choline
experiment.sample.molecule[0].short_namep-LytA
experiment.sample.molecule[0].sequencenull
experiment.sample.molecule[0].organismStreptococcus pneumoniae
experiment.sample.molecule[0].uniprot_codenull
experiment.sample.molecule[0].uniprot_range_firstnull
experiment.sample.molecule[0].uniprot_range_lastnull
experiment.sample.molecule[0].oligomerizationdimer
experiment.sample.molecule[0].molecular_typeprotein
experiment.sample.molecule[0].uniprot_sequencenull
experiment.sample.molecule[0].mw36.4
experiment.sample.molecule[0].total_mw72.8
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.buffer.name20 mM Tris 150 mM NaCl 5 mM choline chloride 1 µM ZnCl2
experiment.sample.buffer.concentration_unitmM
experiment.sample.buffer.commentwith choline
experiment.sample.buffer.additive150 mM NaCl, 5 mM choline chloride, 1 µM ZnCl2
experiment.sample.buffer.concentration20.0
experiment.sample.buffer.pkanull
experiment.sample.buffer.ph7.5
experiment.sample.buffer.deuterationnull
experiment.sample.purity_methodnull
experiment.sample.nameProphage LytA with choline
experiment.sample.ext_coefficientnull
experiment.sample.contrastnull
experiment.sample.specific_volnull
experiment.sample.dry_volnull
experiment.sample.absorbptionnull
experiment.sample.deuterationnull
experiment.sample.mixtureFalse
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_nameAl
experiment.contributor[0].contributor_surnameKikhney
experiment.contributor[0].orcidhttps://orcid.org/0000-0003-1321-3956
experiment.concentration_methodnull
experiment.concentration_unitmg/ml
experiment.date2011-07-02
experiment.storage_temperaturenull
experiment.cell_temperature10.0
experiment.exposure_time15.0
experiment.number_of_frames8
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experiment.concentration_min2.0
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pddf_softwareATSAS GNOM
pddf_software_versionGNOM 4.5a
i0_calibration_standardBSA
descriptionSAXS data demonstrate that the wild type (SASDBF4) and bacteriophage LytA are similar in shape and that both form dimers in solution in the presence of choline.
experiment_descriptionnull
tags[0]X33
intensity_unitnull
experimental_mw113.0
experimental_mw_error11.0
guinier_i0_mw66.0
guinier_i0_mw_errornull
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pddf_i091.81
pddf_i0_errornull
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porod_volume_errornull
estimated_volumenull
estimated_volume_errornull
guinier_point_first5
guinier_point_last32
pddf_point_firstnull
pddf_point_lastnull
i0_calibration_standard_datanull
intensities_log_log_plotSASDBG4_datloglog_img.png
symmetrynull
last_modified2023-05-25T11:21:52.654103+02:00
bragg_peak[]
manifest.json:36 field values
Field pathRaw value
codeSASDBG4
statussuccess
started_at2026-08-11T14:23:05.484618+00:00
finished_at2026-08-11T14:23:14.883450+00:00
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View the complete summary.json source
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  "status": "Published",
  "type_of_curve": "Extrapolated to infinite dilution",
  "angular_unit": "1/nm",
  "project": {
    "title": "Structural and functional insights into peptidoglycan access for the lytic amidase LytA of Streptococcus pneumoniae.",
    "publication": {
      "title": "Structural and functional insights into peptidoglycan access for the lytic amidase LytA of Streptococcus pneumoniae.",
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      "journal": "MBio",
      "doi": "10.1128/mBio.01120-13",
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View the complete manifest.json source
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