SASDV27

Mitochondrial intermembrane space import and assembly protein 40 (CHCHD4) point mutant H20D

Data type: SASBDB experimental data Status: Published Curve type: Single concentration Last updated: 2025-01-15T15:00:00.423595+01:00

Experimental molecular weight determined by volume of correlation (Vc). Real-space PDDF I(0) should be 29.1 based on ScAtter P(r) calculation.

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1. Samples, Components and Experimental Conditions Sample & Experiment

Sample 1 · Mitochondrial intermembrane space import and assembly protein 40 (CHCHD4) point mutant H20D

Concentration— – 3.0 Buffer / pH25 mM HEPES, 150 mM NaCl, 2 mM TCEP / 7.5
Experimental temperature10.0 Facility / beamlineAdvanced Light Source (ALS) / 12.3.1 (SIBYLS)
Wavelength0.127 nmExposure0.3 s × 33

Molecular Components

ComponentType / organismUniProt and ConstructOligomeric StateMolecular weight
Mitochondrial intermembrane space import and assembly protein 40
View sequence
GPMSYCRQEGKDRIIFVTKEDDETPSSAELVADDPNDPYEEHGLILPNGNINWNCPCLGGMASGPCGEQFKSAFSCFHYSTEEIKGSDCVDQFRAMQECMQKYPDLYPQEDEDEEEEREKKPAEQAEETAPIEATATKEEEGSS
proteinHomo sapiensQ8N4Q11–142monomerMolecule count 116.128 kDa

Experimental Curves

CurvePoints / columnsq rangeUncertainty qualityNegative-intensity pointsSource file
1842[3]0.00938–0.43544 1/AHas uncertainty columnMissing 00sasbdb/entries/27/sasdv27/source/SASDV27.dat
▼

2. Measurements Reported by SASBDB Reported Results

MetricMethodValueUncertaintyUnit
dmaxP(r)11.2—Å
i0Guinier36.4401—arbitrary
i0P(r)29.1—arbitrary
mwExperimental21.2—kDa
mwPorod37.0—kDa
porod_volumePorod65.85—ų
rgGuinier3.240.024Å
rgP(r)3.170.025Å

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

This entry has no source fit record.

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4. Source File Index Source Files

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5. Experiment Description and Publication Experiment & Publication

▼

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 name25 mM HEPES, 150 mM NaCl, 2 mM TCEPBuffer concentration—
pH7.5Additives—
Buffer description—
Purity measurement method—Extinction coefficient—
Absorbance—Scattering contrast—
Specific volume / dry volume— / —Mixture / deuteration— / —

Acquisition Conditions and Instrument

Measurement date2021-10-26Storage / measurement temperature10.0 / 10.0
Exposure time0.3Frames33
Wavelength0.127Sample-to-detector distance2.0
SourceX-ray synchrotronDetectorPilatus3 X 2M
Facility / beamlineAdvanced Light Source (ALS) / 12.3.1 (SIBYLS) · Berkeley, CA, USA
q range0.094 – 4.354Sample 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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full_entry_zip:source record and ZIP contents (2 items)
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pddf:source record
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sascif:source record
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summary:source record
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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:134 field values
Field pathRaw value
codeSASDV27
statusPublished
type_of_curveSingle concentration
angular_unit1/A
project.titleNADH-bound AIF activates the mitochondrial CHCHD4/MIA40 chaperone by a substrate-mimicry mechanism.
project.publication.titleNADH-bound AIF activates the mitochondrial CHCHD4/MIA40 chaperone by a substrate-mimicry mechanism.
project.publication.author_listBrosey CA, Shen R, Tainer JA
project.publication.journalEMBO J
project.publication.doi10.1038/s44318-024-00360-6
project.publication.pmid39806100
project.publication.published_date2025 Jan 13
project.statusreleased
project.submitted_date2024-09-07
project.released_date2025-01-15
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experiment.instrument.detector.namePilatus3 X 2M
experiment.instrument.detector.resolution172.0
experiment.instrument.nameAdvanced Light Source (ALS)
experiment.instrument.cityBerkeley, CA
experiment.instrument.countryUSA
experiment.instrument.beamline_name12.3.1 (SIBYLS)
experiment.instrument.beam_geometry
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_nameMitochondrial intermembrane space import and assembly protein 40
experiment.sample.molecule[0].short_nameCHCHD4
experiment.sample.molecule[0].sequenceGPMSYCRQEGKDRIIFVTKEDDETPSSAELVADDPNDPYEEHGLILPNGNINWNCPCLGGMA SGPCGEQFKSAFSCFHYSTEEIKGSDCVDQFRAMQECMQKYPDLYPQEDEDEEEEREKKP AEQAEETAPIEATATKEEEGSS
experiment.sample.molecule[0].organismHomo sapiens
experiment.sample.molecule[0].uniprot_codeQ8N4Q1
experiment.sample.molecule[0].uniprot_range_first1
experiment.sample.molecule[0].uniprot_range_last142
experiment.sample.molecule[0].oligomerizationmonomer
experiment.sample.molecule[0].molecular_typeprotein
experiment.sample.molecule[0].uniprot_sequenceMSYCRQEGKDRIIFVTKEDHETPSSAELVADDPNDPYEEHGLILPNGNINWNCPCLGGMA SGPCGEQFKSAFSCFHYSTEEIKGSDCVDQFRAMQECMQKYPDLYPQEDEDEEEEREKKP AEQAEETAPIEATATKEEEGSS
experiment.sample.molecule[0].mw16.128
experiment.sample.molecule[0].total_mw16.128
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_descriptionThis CHCHD4 charge-reversal mutant replaces H20 with an aspartate.
experiment.sample.buffer.name25 mM HEPES, 150 mM NaCl, 2 mM TCEP
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.nameMitochondrial intermembrane space import and assembly protein 40 (CHCHD4) point mutant H20D
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].addressTexas, USA
experiment.contributor[0].affiliation[0].full_nameMD Anderson Cancer Center
experiment.contributor[0].affiliation[0].webpagehttps://www.mdanderson.org/
experiment.contributor[0].contributor_nameChris
experiment.contributor[0].contributor_surnameBrosey
experiment.contributor[0].orcidhttps://orcid.org/0000-0002-0990-0262
experiment.concentration_methodnull
experiment.concentration_unitnull
experiment.date2021-10-26
experiment.storage_temperature10.0
experiment.cell_temperature10.0
experiment.exposure_time0.3
experiment.number_of_frames33
experiment.wavelength0.127
experiment.sample_detector_distance2.0
experiment.concentration_minnull
experiment.concentration_max3.0
experiment.sample_volumenull
experiment.flow_ratenull
experiment.s_min0.094
experiment.s_max4.354
experiment.total_exposure_timenull
experiment.seccolumnnull
fits[]
estimated_volume_methodnull
pddf_softwareScÅtter
pddf_software_version3.0
i0_calibration_standardnull
descriptionExperimental molecular weight determined by volume of correlation (Vc). Real-space PDDF I(0) should be 29.1 based on ScAtter P(r) calculation.
experiment_descriptionnull
tags[]
intensity_unitarbitrary
experimental_mw21.2
experimental_mw_errornull
guinier_i0_mwnull
guinier_i0_mw_errornull
porod_mw37.0
porod_mw_errornull
pddf_i029.1
pddf_i0_errornull
guinier_i036.4401
guinier_i0_errornull
pddf_rg3.17
pddf_rg_error0.025
guinier_rg3.24
guinier_rg_error0.024
pddf_dmax11.2
pddf_dmax_errornull
porod_volume65.85
porod_volume_errornull
estimated_volumenull
estimated_volume_errornull
guinier_point_first2
guinier_point_last60
pddf_point_firstnull
pddf_point_lastnull
i0_calibration_standard_datanull
intensities_log_log_plotSASDV27_datloglog_img.png
symmetrynull
last_modified2025-01-15T15:00:00.423595+01:00
bragg_peak[]
manifest.json:34 field values
Field pathRaw value
codeSASDV27
statussuccess
started_at2026-08-11T16:40:56.864880+00:00
finished_at2026-08-11T16:41:03.328635+00:00
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View the complete summary.json source
{
  "code": "SASDV27",
  "status": "Published",
  "type_of_curve": "Single concentration",
  "angular_unit": "1/A",
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    "title": "NADH-bound AIF activates the mitochondrial CHCHD4/MIA40 chaperone by a substrate-mimicry mechanism.",
    "publication": {
      "title": "NADH-bound AIF activates the mitochondrial CHCHD4/MIA40 chaperone by a substrate-mimicry mechanism.",
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      "journal": "EMBO J",
      "doi": "10.1038/s44318-024-00360-6",
      "pmid": "39806100",
      "published_date": "2025 Jan 13"
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}
View the complete manifest.json source
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