SASDWL2

C-terminal mini-Collagen VI heterotrimer

Data type: SASBDB experimental data Status: Published Curve type: Single concentration Last updated: 2025-08-18T13:07:32.684211+02:00

CAUTION: Likely aggregated.

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1. Samples, Components and Experimental Conditions Sample & Experiment

Sample 1 · C-terminal mini-Collagen VI heterotrimer

Concentration— – 1.0 Buffer / pHTris-buffered saline / 7.4
Experimental temperature20.0 Facility / beamlineDiamond Light Source / B21
Wavelength0.09537 nmExposure1.0 s × 20

Molecular Components

ComponentType / organismUniProt and ConstructOligomeric StateMolecular weight
Collagen alpha-1(VI) chain
View sequence
ETGSHHHHHHGGGGSGGGGSGVKGAKGYRGPEGPQGPPGHQGPPGPDECEILDIIMKMCSCCECKCGPIDLLFVLDSSESIGLQNFEIAKDFVVKVIDRLSRDELVKFEPGQSYAGVVQYSHSQMQEHVSLRSPSIRNVQELKEAIKSLQWMAGGTFTGEALQYTRDQLLPPSPNNRIALVITDGRSDTQRDTTPLNVLCSPGIQVVSVGIKDVFDFIPGSDQLNVISCQGLAPSQGRPGLSLVKENYAELLEDAFLKNVTAQICIDKKCPDYTCPITFSSPADITILLDGSASVGSHNFDTTKRFAKRLAERFLTAGRTDPAHDVRVAVVQYSGTGQQRPERASLQFLQNYTALASAVDAMDFINDATDVNDALGYVTRFYREASSGAAKKRLLLFSDGNSQGATPAAIEKAVQEAQRAGIEIFVVVVGRQVNEPHIRVLVTGKTAEYDVAYGESHLFRVPSYQALLRGVFHQTVSRKVALG
proteinHomo sapiensP12109566–1028otherMolecule count 152.185 kDa
Collagen alpha-2(VI) chain (R680H, K966N, Q967E)
View sequence
ETGSAWSHPQFEKGGGGSGGGGSGEPGPRGPRGVPGPEGEPGPPGDPGLTECDVMTYVRETCGCCDCEKRCGALDVVFVIDSSESIGYTNFTLEKNFVINVVNRLGAIAKDPKSETGTRVGVVQYSHEGTFEAIQLDDEHIDSLSSFKEAVKNLEWIAGGTWTPSALKFAYDRLIKESRRQKTRVFAVVITDGRHDPRDDDLNLRALCDRDVTVTAIGIGDMFHEKHESENLYSIACDKPQQVRNMTLFSDLVAEKFIDDMEDVLCPDPQIVCPDLPCQTELSVAQCTQRPVDIVFLLDGSERLGEQNFHKARRFVEQVARRLTLARRDDDPLNARVALLQFGGPGEQQVAFPLSHNLTAIHEALETTQYLNSFSHVGAGVVHAINAIVRSPRGGARRHAELSFVFLTDGVTGNDSLHESAHSMRNENVVPTVLALGSDVDMDVLTTLSLGDRAAVFHEKDYDSLAQPGFFDRFIRWIC
proteinHomo sapiensP12110564–1019otherMolecule count 152.515 kDa
Collagen alpha-3(VI) chain (D2357R, K2367R, D2431V, R2441T, R2609A, R2610A)
View sequence
ETGDYKDDDDKGGGGSGGGGSGPPGIVGQKGRPGYPGPAGPRGNRGDSIDQCALIQSIKDKCPCCYGPLECPVFPTELAFALDTSEGVNQDTFGRMRDVVLSIVNVLTIAESNCPTGARVAVVTYNNEVTTEIRFADSKRKSVLLDKIKNLQVALTSKQQSLETAMSFVARNTFKRVRNGFLMRKVAVFFSNTPTRASPQLREAVLKLSDAGITPLFLTRQEDRQLINALQINNTAVGHALVLPAGRDLTDFLENVLTCHVCLDICNIDPSCGFGSWRPSFRDAAAAGSDVDIDMAFILDSAETTTLFQFNEMKKYIAYLVRQLDMSPDPKASQHFARVAVVQHAPSESVDNASMPPVKVEFSLTDYGSKEKLVDFLSRGMTQLQGTRALGSAIEYTIENVFESAPNPRDLKIVVLMLTGEVPEQQLEEAQRVILQAKCKGYFFVVLGIGRKVNIKEVYTFASEPNDVFFKLVDKSTELNEEPLMRFGRLLPSFV
proteinHomo sapiensP121112347–2820otherMolecule count 154.176 kDa

Experimental Curves

CurvePoints / columnsq rangeUncertainty qualityNegative-intensity pointsSource file
12569[3]0.0045–0.34 1/AHas uncertainty columnMissing 0112sasbdb/entries/l2/sasdwl2/source/SASDWL2.dat
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2. Measurements Reported by SASBDB Reported Results

MetricMethodValueUncertaintyUnit
dmaxP(r)18.65—Å
i0Guinier0.188595—arbitrary
i0P(r)2.904666—arbitrary
mwExperimental156.0—kDa
mwPorod298.0—kDa
porod_volumePorod477.6—ų
rgGuinier4.770.465Å
rgP(r)4.76—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

Fit 1 · FoXS

χ²: 1.76347CorMap p: 0.0Unit: 1/A
ModelName / TypeSoftwareSymmetryModel MWPDB DeclarationSource file
1—atomicAlphaFold 2.1.1—158.1—Model Image
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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 nameTris-buffered salineBuffer concentration—
pH7.4Additives—
Buffer description—
Purity measurement method—Extinction coefficient—
Absorbance—Scattering contrast—
Specific volume / dry volume— / —Mixture / deuteration— / —

Acquisition Conditions and Instrument

Measurement date2022-07-27Storage / measurement temperature4.0 / 20.0
Exposure time1.0Frames20
Wavelength0.09537Sample-to-detector distance3.6889
SourceX-ray synchrotronDetectorEiger 4M
Facility / beamlineDiamond Light Source / B21 · Didcot, UK
q range0.045 – 3.4Sample 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

CategoryFileStatusSizeChecksumDownload and View
curvesasbdb/entries/l2/sasdwl2/source/SASDWL2.datdownloaded1261353d690efc54bc797586f3197f3254a2f22436c40b44ce7dc9c3e93e7a9d6099fcDownloadView source fileSource site
full_entry_zipsasbdb/entries/l2/sasdwl2/source/SASDWL2.zipdownloaded4650523bbbcbc383e571303cf2c415c2269d2d18a8961e010f7e0eb5548ae76988bf1bDownloadView source fileSource site
pddfsasbdb/entries/l2/sasdwl2/source/SASDWL2.outdownloaded3967c27f026efe2ed9711b0a344002a9053b8f386115daa83c2c10f098e61f4edeb6DownloadView source fileSource site
sascifsasbdb/entries/l2/sasdwl2/source/SASDWL2.sascifnot_available——DownloadView source fileSource site
summarysasbdb/entries/l2/sasdwl2/source/summary.jsondownloaded1603364bd999e22a626c8d78dd5b2193ae9ebfb517a254c2a384835fd29cbd63d4807DownloadView source fileSource site
curve:source record
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full_entry_zip:source record and ZIP contents (4 items)
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pddf:source record
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sascif:source record
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  "role": "sascif",
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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:190 field values
Field pathRaw value
codeSASDWL2
statusPublished
type_of_curveSingle concentration
angular_unit1/A
project.titleCollagen VI microfibril structure reveals mechanism for molecular assembly and clustering of inherited pathogenic mutations.
project.publication.titleCollagen VI microfibril structure reveals mechanism for molecular assembly and clustering of inherited pathogenic mutations.
project.publication.author_listGodwin ARF, Becker MH, Dajani R, Snee M, Roseman AM, Baldock C
project.publication.journalNat Commun
project.publication.doi10.1038/s41467-025-62923-3
project.publication.pmid40813585
project.publication.published_date2025 Aug 14
project.statusreleased
project.submitted_date2024-11-18
project.released_date2025-07-15
pddf_datahttps://www.sasbdb.org/media/p_of_R_files/SASDWL2.dat
intensities_datahttps://www.sasbdb.org/media/intensities_files/SASDWL2.dat
intensities_log_plothttps://www.sasbdb.org/media/intensities_files/scattering_plots/SASDWL2_dat_img.png
intensities_kratky_plothttps://www.sasbdb.org/media/intensities_files/scattering_plots/SASDWL2_kratky_img.png
pddf_plothttps://www.sasbdb.org/media/p_of_R_files/pofr_images/SASDWL2_pofr_img.png
intensities_guinier_plothttps://www.sasbdb.org/media/intensities_files/scattering_plots/SASDWL2_guinier_img.png
sascif_datahttps://www.sasbdb.org/media/sascif/sascif_files/SASDWL2.sascif
experiment.instrument.detector.typenull
experiment.instrument.detector.nameEiger 4M
experiment.instrument.detector.resolution75.0
experiment.instrument.nameDiamond Light Source
experiment.instrument.cityDidcot
experiment.instrument.countryUK
experiment.instrument.beamline_nameB21
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_nameCollagen alpha-1(VI) chain
experiment.sample.molecule[0].short_nameColVIa1
experiment.sample.molecule[0].sequenceETGSHHHHHHGGGGSGGGGSGVKGAKGYRGPEGPQGPPGHQGPPGPDECEILDIIMKMCSCCECKCGPIDLLFVLDSSESIGLQNFEIAKDFVVKVIDRLSRDELVKFEPGQSYAGVVQYSHSQMQEHVSLRSPSIRNVQELKEAIKSLQWMAGGTFTGEALQYTRDQLLPPSPNNRIALVITDGRSDTQRDTTPLNVLCSPGIQVVSVGIKDVFDFIPGSDQLNVISCQGLAPSQGRPGLSLVKENYAELLEDAFLKNVTAQICIDKKCPDYTCPITFSSPADITILLDGSASVGSHNFDTTKRFAKRLAERFLTAGRTDPAHDVRVAVVQYSGTGQQRPERASLQFLQNYTALASAVDAMDFINDATDVNDALGYVTRFYREASSGAAKKRLLLFSDGNSQGATPAAIEKAVQEAQRAGIEIFVVVVGRQVNEPHIRVLVTGKTAEYDVAYGESHLFRVPSYQALLRGVFHQTVSRKVALG
experiment.sample.molecule[0].organismHomo sapiens
experiment.sample.molecule[0].uniprot_codeP12109
experiment.sample.molecule[0].uniprot_range_first566
experiment.sample.molecule[0].uniprot_range_last1028
experiment.sample.molecule[0].oligomerizationother
experiment.sample.molecule[0].molecular_typeprotein
experiment.sample.molecule[0].uniprot_sequenceMRAARALLPLLLQACWTAAQDEPETPRAVAFQDCPVDLFFVLDTSESVALRLKPYGALVD KVKSFTKRFIDNLRDRYYRCDRNLVWNAGALHYSDEVEIIQGLTRMPGGRDALKSSVDAV KYFGKGTYTDCAIKKGLEQLLVGGSHLKENKYLIVVTDGHPLEGYKEPCGGLEDAVNEAK HLGVKVFSVAITPDHLEPRLSIIATDHTYRRNFTAADWGQSRDAEEAISQTIDTIVDMIK NNVEQVCCSFECQPARGPPGLRGDPGFEGERGKPGLPGEKGEAGDPGRPGDLGPVGYQGM KGEKGSRGEKGSRGPKGYKGEKGKRGIDGVDGVKGEMGYPGLPGCKGSPGFDGIQGPPGP KGDPGAFGLKGEKGEPGADGEAGRPGSSGPSGDEGQPGEPGPPGEKGEAGDEGNPGPDGA PGERGGPGERGPRGTPGTRGPRGDPGEAGPQGDQGREGPVGVPGDPGEAGPIGPKGYRGD EGPPGSEGARGAPGPAGPPGDPGLMGERGEDGPAGNGTEGFPGFPGYPGNRGAPGINGTK GYPGLKGDEGEAGDPGDDNNDIAPRGVKGAKGYRGPEGPQGPPGHQGPPGPDECEILDII MKMCSCCECKCGPIDLLFVLDSSESIGLQNFEIAKDFVVKVIDRLSRDELVKFEPGQSYA GVVQYSHSQMQEHVSLRSPSIRNVQELKEAIKSLQWMAGGTFTGEALQYTRDQLLPPSPN NRIALVITDGRSDTQRDTTPLNVLCSPGIQVVSVGIKDVFDFIPGSDQLNVISCQGLAPS QGRPGLSLVKENYAELLEDAFLKNVTAQICIDKKCPDYTCPITFSSPADITILLDGSASV GSHNFDTTKRFAKRLAERFLTAGRTDPAHDVRVAVVQYSGTGQQRPERASLQFLQNYTAL ASAVDAMDFINDATDVNDALGYVTRFYREASSGAAKKRLLLFSDGNSQGATPAAIEKAVQ EAQRAGIEIFVVVVGRQVNEPHIRVLVTGKTAEYDVAYGESHLFRVPSYQALLRGVFHQT VSRKVALG
experiment.sample.molecule[0].mw52.185
experiment.sample.molecule[0].total_mw52.185
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_descriptionC-terminal fragment of Collagen alpha-1(VI) chain. Collagen VI acts as a cell-binding protein. The protein construct used for SAXS contains an additional non-native polyhistidine tag at the N-terminus (ETGSHHHHHHGGGGSGGGGS).
experiment.sample.molecule[1].long_nameCollagen alpha-2(VI) chain (R680H, K966N, Q967E)
experiment.sample.molecule[1].short_nameColVIa2
experiment.sample.molecule[1].sequenceETGSAWSHPQFEKGGGGSGGGGSGEPGPRGPRGVPGPEGEPGPPGDPGLTECDVMTYVRETCGCCDCEKRCGALDVVFVIDSSESIGYTNFTLEKNFVINVVNRLGAIAKDPKSETGTRVGVVQYSHEGTFEAIQLDDEHIDSLSSFKEAVKNLEWIAGGTWTPSALKFAYDRLIKESRRQKTRVFAVVITDGRHDPRDDDLNLRALCDRDVTVTAIGIGDMFHEKHESENLYSIACDKPQQVRNMTLFSDLVAEKFIDDMEDVLCPDPQIVCPDLPCQTELSVAQCTQRPVDIVFLLDGSERLGEQNFHKARRFVEQVARRLTLARRDDDPLNARVALLQFGGPGEQQVAFPLSHNLTAIHEALETTQYLNSFSHVGAGVVHAINAIVRSPRGGARRHAELSFVFLTDGVTGNDSLHESAHSMRNENVVPTVLALGSDVDMDVLTTLSLGDRAAVFHEKDYDSLAQPGFFDRFIRWIC
experiment.sample.molecule[1].organismHomo sapiens
experiment.sample.molecule[1].uniprot_codeP12110
experiment.sample.molecule[1].uniprot_range_first564
experiment.sample.molecule[1].uniprot_range_last1019
experiment.sample.molecule[1].oligomerizationother
experiment.sample.molecule[1].molecular_typeprotein
experiment.sample.molecule[1].uniprot_sequenceMLQGTCSVLLLWGILGAIQAQQQEVISPDTTERNNNCPEKTDCPIHVYFVLDTSESVTMQ SPTDILLFHMKQFVPQFISQLQNEFYLDQVALSWRYGGLHFSDQVEVFSPPGSDRASFIK NLQGISSFRRGTFTDCALANMTEQIRQDRSKGTVHFAVVITDGHVTGSPCGGIKLQAERA REEGIRLFAVAPNQNLKEQGLRDIASTPHELYRNDYATMLPDSTEIDQDTINRIIKVMKH EAYGECYKVSCLEIPGPSGPKGYRGQKGAKGNMGEPGEPGQKGRQGDPGIEGPIGFPGPK GVPGFKGEKGEFGADGRKGAPGLAGKNGTDGQKGKLGRIGPPGCKGDPGNRGPDGYPGEA GSPGERGDQGGKGDPGRPGRRGPPGEIGAKGSKGYQGNSGAPGSPGVKGAKGGPGPRGPK GEPGRRGDPGTKGSPGSDGPKGEKGDPGPEGPRGLAGEVGNKGAKGDRGLPGPRGPQGAL GEPGKQGSRGDPGDAGPRGDSGQPGPKGDPGRPGFSYPGPRGAPGEKGEPGPRGPEGGRG DFGLKGEPGRKGEKGEPADPGPPGEPGPRGPRGVPGPEGEPGPPGDPGLTECDVMTYVRE TCGCCDCEKRCGALDVVFVIDSSESIGYTNFTLEKNFVINVVNRLGAIAKDPKSETGTRV GVVQYSHEGTFEAIQLDDERIDSLSSFKEAVKNLEWIAGGTWTPSALKFAYDRLIKESRR QKTRVFAVVITDGRHDPRDDDLNLRALCDRDVTVTAIGIGDMFHEKHESENLYSIACDKP QQVRNMTLFSDLVAEKFIDDMEDVLCPDPQIVCPDLPCQTELSVAQCTQRPVDIVFLLDG SERLGEQNFHKARRFVEQVARRLTLARRDDDPLNARVALLQFGGPGEQQVAFPLSHNLTA IHEALETTQYLNSFSHVGAGVVHAINAIVRSPRGGARRHAELSFVFLTDGVTGNDSLHES AHSMRKQNVVPTVLALGSDVDMDVLTTLSLGDRAAVFHEKDYDSLAQPGFFDRFIRWIC
experiment.sample.molecule[1].mw52.515
experiment.sample.molecule[1].total_mw52.515
experiment.sample.molecule[1].number_molecules1
experiment.sample.molecule[1].complex_stateFalse
experiment.sample.molecule[1].deuterationnull
experiment.sample.molecule[1].molecule_sourcebiological
experiment.sample.molecule[1].molecule_descriptionC-terminal fragment of Collagen alpha-2(VI) chain. Collagen VI acts as a cell-binding protein. The protein construct used for SAXS contains an additional non-native N-terminal extension (ETGSAWSHPQFEKGGGGSGGGGS) and three point mutations relative to the canonical UniProt sequence (R680H, K966N, Q967E).
experiment.sample.molecule[2].long_nameCollagen alpha-3(VI) chain (D2357R, K2367R, D2431V, R2441T, R2609A, R2610A)
experiment.sample.molecule[2].short_nameColVIa3
experiment.sample.molecule[2].sequenceETGDYKDDDDKGGGGSGGGGSGPPGIVGQKGRPGYPGPAGPRGNRGDSIDQCALIQSIKDKCPCCYGPLECPVFPTELAFALDTSEGVNQDTFGRMRDVVLSIVNVLTIAESNCPTGARVAVVTYNNEVTTEIRFADSKRKSVLLDKIKNLQVALTSKQQSLETAMSFVARNTFKRVRNGFLMRKVAVFFSNTPTRASPQLREAVLKLSDAGITPLFLTRQEDRQLINALQINNTAVGHALVLPAGRDLTDFLENVLTCHVCLDICNIDPSCGFGSWRPSFRDAAAAGSDVDIDMAFILDSAETTTLFQFNEMKKYIAYLVRQLDMSPDPKASQHFARVAVVQHAPSESVDNASMPPVKVEFSLTDYGSKEKLVDFLSRGMTQLQGTRALGSAIEYTIENVFESAPNPRDLKIVVLMLTGEVPEQQLEEAQRVILQAKCKGYFFVVLGIGRKVNIKEVYTFASEPNDVFFKLVDKSTELNEEPLMRFGRLLPSFV
experiment.sample.molecule[2].organismHomo sapiens
experiment.sample.molecule[2].uniprot_codeP12111
experiment.sample.molecule[2].uniprot_range_first2347
experiment.sample.molecule[2].uniprot_range_last2820
experiment.sample.molecule[2].oligomerizationother
experiment.sample.molecule[2].molecular_typeprotein
experiment.sample.molecule[2].uniprot_sequenceMRKHRHLPLVAVFCLFLSGFPTTHAQQQQADVKNGAAADIIFLVDSSWTIGEEHFQLVRE FLYDVVKSLAVGENDFHFALVQFNGNPHTEFLLNTYRTKQEVLSHISNMSYIGGTNQTGK GLEYIMQSHLTKAAGSRAGDGVPQVIVVLTDGHSKDGLALPSAELKSADVNVFAIGVEDA DEGALKEIASEPLNMHMFNLENFTSLHDIVGNLVSCVHSSVSPERAGDTETLKDITAQDS ADIIFLIDGSNNTGSVNFAVILDFLVNLLEKLPIGTQQIRVGVVQFSDEPRTMFSLDTYS TKAQVLGAVKALGFAGGELANIGLALDFVVENHFTRAGGSRVEEGVPQVLVLISAGPSSD EIRYGVVALKQASVFSFGLGAQAASRAELQHIATDDNLVFTVPEFRSFGDLQEKLLPYIV GVAQRHIVLKPPTIVTQVIEVNKRDIVFLVDGSSALGLANFNAIRDFIAKVIQRLEIGQD LIQVAVAQYADTVRPEFYFNTHPTKREVITAVRKMKPLDGSALYTGSALDFVRNNLFTSS AGYRAAEGIPKLLVLITGGKSLDEISQPAQELKRSSIMAFAIGNKGADQAELEEIAFDSS LVFIPAEFRAAPLQGMLPGLLAPLRTLSGTPEVHSNKRDIIFLLDGSANVGKTNFPYVRD FVMNLVNSLDIGNDNIRVGLVQFSDTPVTEFSLNTYQTKSDILGHLRQLQLQGGSGLNTG SALSYVYANHFTEAGGSRIREHVPQLLLLLTAGQSEDSYLQAANALTRAGILTFCVGASQ ANKAELEQIAFNPSLVYLMDDFSSLPALPQQLIQPLTTYVSGGVEEVPLAQPESKRDILF LFDGSANLVGQFPVVRDFLYKIIDELNVKPEGTRIAVAQYSDDVKVESRFDEHQSKPEIL NLVKRMKIKTGKALNLGYALDYAQRYIFVKSAGSRIEDGVLQFLVLLVAGRSSDRVDGPA SNLKQSGVVPFIFQAKNADPAELEQIVLSPAFILAAESLPKIGDLHPQIVNLLKSVHNGA PAPVSGEKDVVFLLDGSEGVRSGFPLLKEFVQRVVESLDVGQDRVRVAVVQYSDRTRPEF YLNSYMNKQDVVNAVRQLTLLGGPTPNTGAALEFVLRNILVSSAGSRITEGVPQLLIVLT ADRSGDDVRNPSVVVKRGGAVPIGIGIGNADITEMQTISFIPDFAVAIPTFRQLGTVQQV ISERVTQLTREELSRLQPVLQPLPSPGVGGKRDVVFLIDGSQSAGPEFQYVRTLIERLVD YLDVGFDTTRVAVIQFSDDPKVEFLLNAHSSKDEVQNAVQRLRPKGGRQINVGNALEYVS RNIFKRPLGSRIEEGVPQFLVLISSGKSDDEVDDPAVELKQFGVAPFTIARNADQEELVK ISLSPEYVFSVSTFRELPSLEQKLLTPITTLTSEQIQKLLASTRYPPPAVESDAADIVFL IDSSEGVRPDGFAHIRDFVSRIVRRLNIGPSKVRVGVVQFSNDVFPEFYLKTYRSQAPVL DAIRRLRLRGGSPLNTGKALEFVARNLFVKSAGSRIEDGVPQHLVLVLGGKSQDDVSRFA QVIRSSGIVSLGVGDRNIDRTELQTITNDPRLVFTVREFRELPNIEERIMNSFGPSAATP APPGVDTPPPSRPEKKKADIVFLLDGSINFRRDSFQEVLRFVSEIVDTVYEDGDSIQVGL VQYNSDPTDEFFLKDFSTKRQIIDAINKVVYKGGRHANTKVGLEHLRVNHFVPEAGSRLD QRVPQIAFVITGGKSVEDAQDVSLALTQRGVKVFAVGVRNIDSEEVGKIASNSATAFRVG NVQELSELSEQVLETLHDAMHETLCPGVTDAAKACNLDVILGFDGSRDQNVFVAQKGFES KVDAILNRISQMHRVSCSGGRSPTVRVSVVANTPSGPVEAFDFDEYQPEMLEKFRNMRSQ HPYVLTEDTLKVYLNKFRQSSPDSVKVVIHFTDGADGDLADLHRASENLRQEGVRALILV GLERVVNLERLMHLEFGRGFMYDRPLRLNLLDLDYELAEQLDNIAEKACCGVPCKCSGQR GDRGPIGSIGPKGIPGEDGYRGYPGDEGGPGERGPPGVNGTQGFQGCPGQRGVKGSRGFP GEKGEVGEIGLDGLDGEDGDKGLPGSSGEKGNPGRRGDKGPRGEKGERGDVGIRGDPGNP GQDSQERGPKGETGDLGPMGVPGRDGVPGGPGETGKNGGFGRRGPPGAKGNKGGPGQPGF EGEQGTRGAQGPAGPAGPPGLIGEQGISGPRGSGGAAGAPGERGRTGPLGRKGEPGEPGP KGGIGNRGPRGETGDDGRDGVGSEGRRGKKGERGFPGYPGPKGNPGEPGLNGTTGPKGIR GRRGNSGPPGIVGQKGDPGYPGPAGPKGNRGDSIDQCALIQSIKDKCPCCYGPLECPVFP TELAFALDTSEGVNQDTFGRMRDVVLSIVNDLTIAESNCPRGARVAVVTYNNEVTTEIRF ADSKRKSVLLDKIKNLQVALTSKQQSLETAMSFVARNTFKRVRNGFLMRKVAVFFSNTPT RASPQLREAVLKLSDAGITPLFLTRQEDRQLINALQINNTAVGHALVLPAGRDLTDFLEN VLTCHVCLDICNIDPSCGFGSWRPSFRDRRAAGSDVDIDMAFILDSAETTTLFQFNEMKK YIAYLVRQLDMSPDPKASQHFARVAVVQHAPSESVDNASMPPVKVEFSLTDYGSKEKLVD FLSRGMTQLQGTRALGSAIEYTIENVFESAPNPRDLKIVVLMLTGEVPEQQLEEAQRVIL QAKCKGYFFVVLGIGRKVNIKEVYTFASEPNDVFFKLVDKSTELNEEPLMRFGRLLPSFV SSENAFYLSPDIRKQCDWFQGDQPTKNLVKFGHKQVNVPNNVTSSPTSNPVTTTKPVTTT KPVTTTTKPVTTTTKPVTIINQPSVKPAAAKPAPAKPVAAKPVATKMATVRPPVAVKPAT AAKPVAAKPAAVRPPAAAAAKPVATKPEVPRPQAAKPAATKPATTKPMVKMSREVQVFEI TENSAKLHWERAEPPGPYFYDLTVTSAHDQSLVLKQNLTVTDRVIGGLLAGQTYHVAVVC YLRSQVRATYHGSFSTKKSQPPPPQPARSASSSTINLMVSTEPLALTETDICKLPKDEGT CRDFILKWYYDPNTKSCARFWYGGCGGNENKFGSQKECEKVCAPVLAKPGVISVMGT
experiment.sample.molecule[2].mw54.176
experiment.sample.molecule[2].total_mw54.176
experiment.sample.molecule[2].number_molecules1
experiment.sample.molecule[2].complex_stateFalse
experiment.sample.molecule[2].deuterationnull
experiment.sample.molecule[2].molecule_sourcebiological
experiment.sample.molecule[2].molecule_descriptionC-terminal fragment of Collagen alpha-3(VI) chain with R2609A and R2610A mutations to abolish cleavage by furin protease. Collagen VI acts as a cell-binding protein. The protein construct used for SAXS contains an additional non-native N-terminal amino acid extension (ETGDYKDDDDKGGGGSGGGGS), plus additional point mutations relative to the canonical sequence in UniProt (D2357R, K2367R, D2431V, R2441T).
experiment.sample.buffer.nameTris-buffered saline
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
experiment.sample.buffer.deuterationnull
experiment.sample.purity_methodnull
experiment.sample.nameC-terminal mini-Collagen VI heterotrimer
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].addressManchester, UK
experiment.contributor[0].affiliation[0].full_nameUniversity of Manchester
experiment.contributor[0].affiliation[0].webpagehttp://www.manchester.ac.uk/
experiment.contributor[0].contributor_nameMark H.
experiment.contributor[0].contributor_surnameBecker
experiment.contributor[0].orcidhttps://orcid.org/0000-0003-3474-2419
experiment.concentration_methodnull
experiment.concentration_unitnull
experiment.date2022-07-27
experiment.storage_temperature4.0
experiment.cell_temperature20.0
experiment.exposure_time1.0
experiment.number_of_frames20
experiment.wavelength0.09537
experiment.sample_detector_distance3.6889
experiment.concentration_minnull
experiment.concentration_max1.0
experiment.sample_volumenull
experiment.flow_ratenull
experiment.s_min0.045
experiment.s_max3.4
experiment.total_exposure_timenull
experiment.seccolumnnull
fits[0].models[0].model_plothttps://www.sasbdb.org/media/pdb_file/images/SASDWL2_fit1_model1_img.png
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_version2.1.1
fits[0].models[0].model_datahttps://www.sasbdb.org/media/pdb_file/SASDWL2_fit1_model1.pdb
fits[0].models[0].model_mw158.1
fits[0].models[0].bead_radiusnull
fits[0].models[0].lognull
fits[0].models[0].symmetrynull
fits[0].models[0].commentnull
fits[0].models[0].user1151
fits[0].fit_unit1/A
fits[0].fit_plothttps://www.sasbdb.org/media/fitting_files/scattering_plots/SASDWL2_fit1_fixed_fit_img.png
fits[0].softwareFoXS
fits[0].chi_square_value1.76347
fits[0].p_value0.0
fits[0].fit_residual_plotSASDWL2_fit1_fitresiduals_img.png
fits[0].fit_datahttps://www.sasbdb.org/media/fitting_files/SASDWL2_fit1.fit
fits[0].fit_lognull
fits[0].software_versionnull
fits[0].description
estimated_volume_methodnull
pddf_softwareScÅtter
pddf_software_version4
i0_calibration_standardnull
descriptionCAUTION: Likely aggregated.
experiment_descriptionSynchrotron SAXS data from solutions of the C-terminal mini-Collagen VI heterotrimer in Tris-buffered saline, pH 7.4 were collected on the B21 beam line at the Diamond Light Source (Didcot, UK) using a Eiger 4M detector at a sample-detector distance of 3.7 m and at a wavelength of λ = 0.09537 nm (I(s) vs s, where s = 4πsinθ/λ, and 2θ is the scattering angle). One solute concentration of 1.00 mg/ml was measured at 20°C. 20 successive 1 second frames were collected. The data were normalized to the intensity of the transmitted beam and radially averaged; the scattering of the solvent-blank was subtracted.
tags[]
intensity_unitarbitrary
experimental_mw156.0
experimental_mw_errornull
guinier_i0_mwnull
guinier_i0_mw_errornull
porod_mw298.0
porod_mw_errornull
pddf_i02.904666
pddf_i0_errornull
guinier_i00.188595
guinier_i0_errornull
pddf_rg4.76
pddf_rg_errornull
guinier_rg4.77
guinier_rg_error0.465
pddf_dmax18.65
pddf_dmax_errornull
porod_volume477.6
porod_volume_errornull
estimated_volumenull
estimated_volume_errornull
guinier_point_first90
guinier_point_last142
pddf_point_firstnull
pddf_point_lastnull
i0_calibration_standard_datanull
intensities_log_log_plotSASDWL2_datloglog_img.png
symmetrynull
last_modified2025-08-18T13:07:32.684211+02:00
bragg_peak[]
manifest.json:34 field values
Field pathRaw value
codeSASDWL2
statussuccess
started_at2026-08-11T13:41:24.672124+00:00
finished_at2026-08-11T13:41:35.258935+00:00
source_last_modified2025-08-18T13:07:32.684211+02:00
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View the complete summary.json source
{
  "code": "SASDWL2",
  "status": "Published",
  "type_of_curve": "Single concentration",
  "angular_unit": "1/A",
  "project": {
    "title": "Collagen VI microfibril structure reveals mechanism for molecular assembly and clustering of inherited pathogenic mutations.",
    "publication": {
      "title": "Collagen VI microfibril structure reveals mechanism for molecular assembly and clustering of inherited pathogenic mutations.",
      "author_list": "Godwin ARF, Becker MH, Dajani R, Snee M, Roseman AM, Baldock C",
      "journal": "Nat Commun",
      "doi": "10.1038/s41467-025-62923-3",
      "pmid": "40813585",
      "published_date": "2025 Aug 14"
    },
    "status": "released",
    "submitted_date": "2024-11-18",
    "released_date": "2025-07-15"
  },
  "pddf_data": "https://www.sasbdb.org/media/p_of_R_files/SASDWL2.dat",
  "intensities_data": "https://www.sasbdb.org/media/intensities_files/SASDWL2.dat",
  "intensities_log_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDWL2_dat_img.png",
  "intensities_kratky_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDWL2_kratky_img.png",
  "pddf_plot": "https://www.sasbdb.org/media/p_of_R_files/pofr_images/SASDWL2_pofr_img.png",
  "intensities_guinier_plot": "https://www.sasbdb.org/media/intensities_files/scattering_plots/SASDWL2_guinier_img.png",
  "sascif_data": "https://www.sasbdb.org/media/sascif/sascif_files/SASDWL2.sascif",
  "experiment": {
    "instrument": {
      "detector": {
        "type": null,
        "name": "Eiger 4M",
        "resolution": 75.0
      },
      "name": "Diamond Light Source",
      "city": "Didcot",
      "country": "UK",
      "beamline_name": "B21",
      "beam_geometry": null,
      "type_of_source": "X-ray synchrotron",
      "point_source": null,
      "line_collimation": null,
      "sample_path_length": null,
      "line_collimation_slitlength": null,
      "line_collimation_integrationwidth": null,
      "xray_energy": null,
      "beam_profile_ah": null,
      "beam_profile_al": null
    },
    "sample": {
      "molecule": [
        {
          "long_name": "Collagen alpha-1(VI) chain",
          "short_name": "ColVIa1",
          "sequence": "ETGSHHHHHHGGGGSGGGGSGVKGAKGYRGPEGPQGPPGHQGPPGPDECEILDIIMKMCSCCECKCGPIDLLFVLDSSESIGLQNFEIAKDFVVKVIDRLSRDELVKFEPGQSYAGVVQYSHSQMQEHVSLRSPSIRNVQELKEAIKSLQWMAGGTFTGEALQYTRDQLLPPSPNNRIALVITDGRSDTQRDTTPLNVLCSPGIQVVSVGIKDVFDFIPGSDQLNVISCQGLAPSQGRPGLSLVKENYAELLEDAFLKNVTAQICIDKKCPDYTCPITFSSPADITILLDGSASVGSHNFDTTKRFAKRLAERFLTAGRTDPAHDVRVAVVQYSGTGQQRPERASLQFLQNYTALASAVDAMDFINDATDVNDALGYVTRFYREASSGAAKKRLLLFSDGNSQGATPAAIEKAVQEAQRAGIEIFVVVVGRQVNEPHIRVLVTGKTAEYDVAYGESHLFRVPSYQALLRGVFHQTVSRKVALG",
          "organism": "Homo sapiens",
          "uniprot_code": "P12109",
          "uniprot_range_first": 566,
          "uniprot_range_last": 1028,
          "oligomerization": "other",
          "molecular_type": "protein",
          "uniprot_sequence": "MRAARALLPLLLQACWTAAQDEPETPRAVAFQDCPVDLFFVLDTSESVALRLKPYGALVD\nKVKSFTKRFIDNLRDRYYRCDRNLVWNAGALHYSDEVEIIQGLTRMPGGRDALKSSVDAV\nKYFGKGTYTDCAIKKGLEQLLVGGSHLKENKYLIVVTDGHPLEGYKEPCGGLEDAVNEAK\nHLGVKVFSVAITPDHLEPRLSIIATDHTYRRNFTAADWGQSRDAEEAISQTIDTIVDMIK\nNNVEQVCCSFECQPARGPPGLRGDPGFEGERGKPGLPGEKGEAGDPGRPGDLGPVGYQGM\nKGEKGSRGEKGSRGPKGYKGEKGKRGIDGVDGVKGEMGYPGLPGCKGSPGFDGIQGPPGP\nKGDPGAFGLKGEKGEPGADGEAGRPGSSGPSGDEGQPGEPGPPGEKGEAGDEGNPGPDGA\nPGERGGPGERGPRGTPGTRGPRGDPGEAGPQGDQGREGPVGVPGDPGEAGPIGPKGYRGD\nEGPPGSEGARGAPGPAGPPGDPGLMGERGEDGPAGNGTEGFPGFPGYPGNRGAPGINGTK\nGYPGLKGDEGEAGDPGDDNNDIAPRGVKGAKGYRGPEGPQGPPGHQGPPGPDECEILDII\nMKMCSCCECKCGPIDLLFVLDSSESIGLQNFEIAKDFVVKVIDRLSRDELVKFEPGQSYA\nGVVQYSHSQMQEHVSLRSPSIRNVQELKEAIKSLQWMAGGTFTGEALQYTRDQLLPPSPN\nNRIALVITDGRSDTQRDTTPLNVLCSPGIQVVSVGIKDVFDFIPGSDQLNVISCQGLAPS\nQGRPGLSLVKENYAELLEDAFLKNVTAQICIDKKCPDYTCPITFSSPADITILLDGSASV\nGSHNFDTTKRFAKRLAERFLTAGRTDPAHDVRVAVVQYSGTGQQRPERASLQFLQNYTAL\nASAVDAMDFINDATDVNDALGYVTRFYREASSGAAKKRLLLFSDGNSQGATPAAIEKAVQ\nEAQRAGIEIFVVVVGRQVNEPHIRVLVTGKTAEYDVAYGESHLFRVPSYQALLRGVFHQT\nVSRKVALG",
          "mw": 52.185,
          "total_mw": 52.185,
          "number_molecules": 1,
          "complex_state": false,
          "deuteration": null,
          "molecule_source": "biological",
          "molecule_description": "C-terminal fragment of Collagen alpha-1(VI) chain. Collagen VI acts as a cell-binding protein. The protein construct used for SAXS contains an additional non-native polyhistidine tag at the N-terminus (ETGSHHHHHHGGGGSGGGGS)."
        },
        {
          "long_name": "Collagen alpha-2(VI) chain (R680H, K966N, Q967E)",
          "short_name": "ColVIa2",
          "sequence": "ETGSAWSHPQFEKGGGGSGGGGSGEPGPRGPRGVPGPEGEPGPPGDPGLTECDVMTYVRETCGCCDCEKRCGALDVVFVIDSSESIGYTNFTLEKNFVINVVNRLGAIAKDPKSETGTRVGVVQYSHEGTFEAIQLDDEHIDSLSSFKEAVKNLEWIAGGTWTPSALKFAYDRLIKESRRQKTRVFAVVITDGRHDPRDDDLNLRALCDRDVTVTAIGIGDMFHEKHESENLYSIACDKPQQVRNMTLFSDLVAEKFIDDMEDVLCPDPQIVCPDLPCQTELSVAQCTQRPVDIVFLLDGSERLGEQNFHKARRFVEQVARRLTLARRDDDPLNARVALLQFGGPGEQQVAFPLSHNLTAIHEALETTQYLNSFSHVGAGVVHAINAIVRSPRGGARRHAELSFVFLTDGVTGNDSLHESAHSMRNENVVPTVLALGSDVDMDVLTTLSLGDRAAVFHEKDYDSLAQPGFFDRFIRWIC",
          "organism": "Homo sapiens",
          "uniprot_code": "P12110",
          "uniprot_range_first": 564,
          "uniprot_range_last": 1019,
          "oligomerization": "other",
          "molecular_type": "protein",
          "uniprot_sequence": "MLQGTCSVLLLWGILGAIQAQQQEVISPDTTERNNNCPEKTDCPIHVYFVLDTSESVTMQ\nSPTDILLFHMKQFVPQFISQLQNEFYLDQVALSWRYGGLHFSDQVEVFSPPGSDRASFIK\nNLQGISSFRRGTFTDCALANMTEQIRQDRSKGTVHFAVVITDGHVTGSPCGGIKLQAERA\nREEGIRLFAVAPNQNLKEQGLRDIASTPHELYRNDYATMLPDSTEIDQDTINRIIKVMKH\nEAYGECYKVSCLEIPGPSGPKGYRGQKGAKGNMGEPGEPGQKGRQGDPGIEGPIGFPGPK\nGVPGFKGEKGEFGADGRKGAPGLAGKNGTDGQKGKLGRIGPPGCKGDPGNRGPDGYPGEA\nGSPGERGDQGGKGDPGRPGRRGPPGEIGAKGSKGYQGNSGAPGSPGVKGAKGGPGPRGPK\nGEPGRRGDPGTKGSPGSDGPKGEKGDPGPEGPRGLAGEVGNKGAKGDRGLPGPRGPQGAL\nGEPGKQGSRGDPGDAGPRGDSGQPGPKGDPGRPGFSYPGPRGAPGEKGEPGPRGPEGGRG\nDFGLKGEPGRKGEKGEPADPGPPGEPGPRGPRGVPGPEGEPGPPGDPGLTECDVMTYVRE\nTCGCCDCEKRCGALDVVFVIDSSESIGYTNFTLEKNFVINVVNRLGAIAKDPKSETGTRV\nGVVQYSHEGTFEAIQLDDERIDSLSSFKEAVKNLEWIAGGTWTPSALKFAYDRLIKESRR\nQKTRVFAVVITDGRHDPRDDDLNLRALCDRDVTVTAIGIGDMFHEKHESENLYSIACDKP\nQQVRNMTLFSDLVAEKFIDDMEDVLCPDPQIVCPDLPCQTELSVAQCTQRPVDIVFLLDG\nSERLGEQNFHKARRFVEQVARRLTLARRDDDPLNARVALLQFGGPGEQQVAFPLSHNLTA\nIHEALETTQYLNSFSHVGAGVVHAINAIVRSPRGGARRHAELSFVFLTDGVTGNDSLHES\nAHSMRKQNVVPTVLALGSDVDMDVLTTLSLGDRAAVFHEKDYDSLAQPGFFDRFIRWIC",
          "mw": 52.515,
          "total_mw": 52.515,
          "number_molecules": 1,
          "complex_state": false,
          "deuteration": null,
          "molecule_source": "biological",
          "molecule_description": "C-terminal fragment of Collagen alpha-2(VI) chain. Collagen VI acts as a cell-binding protein. The protein construct used for SAXS contains an additional non-native N-terminal extension (ETGSAWSHPQFEKGGGGSGGGGS) and three point mutations relative to the canonical UniProt sequence (R680H, K966N, Q967E)."
        },
        {
          "long_name": "Collagen alpha-3(VI) chain (D2357R, K2367R, D2431V, R2441T, R2609A, R2610A)",
          "short_name": "ColVIa3",
          "sequence": "ETGDYKDDDDKGGGGSGGGGSGPPGIVGQKGRPGYPGPAGPRGNRGDSIDQCALIQSIKDKCPCCYGPLECPVFPTELAFALDTSEGVNQDTFGRMRDVVLSIVNVLTIAESNCPTGARVAVVTYNNEVTTEIRFADSKRKSVLLDKIKNLQVALTSKQQSLETAMSFVARNTFKRVRNGFLMRKVAVFFSNTPTRASPQLREAVLKLSDAGITPLFLTRQEDRQLINALQINNTAVGHALVLPAGRDLTDFLENVLTCHVCLDICNIDPSCGFGSWRPSFRDAAAAGSDVDIDMAFILDSAETTTLFQFNEMKKYIAYLVRQLDMSPDPKASQHFARVAVVQHAPSESVDNASMPPVKVEFSLTDYGSKEKLVDFLSRGMTQLQGTRALGSAIEYTIENVFESAPNPRDLKIVVLMLTGEVPEQQLEEAQRVILQAKCKGYFFVVLGIGRKVNIKEVYTFASEPNDVFFKLVDKSTELNEEPLMRFGRLLPSFV",
          "organism": "Homo sapiens",
          "uniprot_code": "P12111",
          "uniprot_range_first": 2347,
          "uniprot_range_last": 2820,
          "oligomerization": "other",
          "molecular_type": "protein",
          "uniprot_sequence": "MRKHRHLPLVAVFCLFLSGFPTTHAQQQQADVKNGAAADIIFLVDSSWTIGEEHFQLVRE\nFLYDVVKSLAVGENDFHFALVQFNGNPHTEFLLNTYRTKQEVLSHISNMSYIGGTNQTGK\nGLEYIMQSHLTKAAGSRAGDGVPQVIVVLTDGHSKDGLALPSAELKSADVNVFAIGVEDA\nDEGALKEIASEPLNMHMFNLENFTSLHDIVGNLVSCVHSSVSPERAGDTETLKDITAQDS\nADIIFLIDGSNNTGSVNFAVILDFLVNLLEKLPIGTQQIRVGVVQFSDEPRTMFSLDTYS\nTKAQVLGAVKALGFAGGELANIGLALDFVVENHFTRAGGSRVEEGVPQVLVLISAGPSSD\nEIRYGVVALKQASVFSFGLGAQAASRAELQHIATDDNLVFTVPEFRSFGDLQEKLLPYIV\nGVAQRHIVLKPPTIVTQVIEVNKRDIVFLVDGSSALGLANFNAIRDFIAKVIQRLEIGQD\nLIQVAVAQYADTVRPEFYFNTHPTKREVITAVRKMKPLDGSALYTGSALDFVRNNLFTSS\nAGYRAAEGIPKLLVLITGGKSLDEISQPAQELKRSSIMAFAIGNKGADQAELEEIAFDSS\nLVFIPAEFRAAPLQGMLPGLLAPLRTLSGTPEVHSNKRDIIFLLDGSANVGKTNFPYVRD\nFVMNLVNSLDIGNDNIRVGLVQFSDTPVTEFSLNTYQTKSDILGHLRQLQLQGGSGLNTG\nSALSYVYANHFTEAGGSRIREHVPQLLLLLTAGQSEDSYLQAANALTRAGILTFCVGASQ\nANKAELEQIAFNPSLVYLMDDFSSLPALPQQLIQPLTTYVSGGVEEVPLAQPESKRDILF\nLFDGSANLVGQFPVVRDFLYKIIDELNVKPEGTRIAVAQYSDDVKVESRFDEHQSKPEIL\nNLVKRMKIKTGKALNLGYALDYAQRYIFVKSAGSRIEDGVLQFLVLLVAGRSSDRVDGPA\nSNLKQSGVVPFIFQAKNADPAELEQIVLSPAFILAAESLPKIGDLHPQIVNLLKSVHNGA\nPAPVSGEKDVVFLLDGSEGVRSGFPLLKEFVQRVVESLDVGQDRVRVAVVQYSDRTRPEF\nYLNSYMNKQDVVNAVRQLTLLGGPTPNTGAALEFVLRNILVSSAGSRITEGVPQLLIVLT\nADRSGDDVRNPSVVVKRGGAVPIGIGIGNADITEMQTISFIPDFAVAIPTFRQLGTVQQV\nISERVTQLTREELSRLQPVLQPLPSPGVGGKRDVVFLIDGSQSAGPEFQYVRTLIERLVD\nYLDVGFDTTRVAVIQFSDDPKVEFLLNAHSSKDEVQNAVQRLRPKGGRQINVGNALEYVS\nRNIFKRPLGSRIEEGVPQFLVLISSGKSDDEVDDPAVELKQFGVAPFTIARNADQEELVK\nISLSPEYVFSVSTFRELPSLEQKLLTPITTLTSEQIQKLLASTRYPPPAVESDAADIVFL\nIDSSEGVRPDGFAHIRDFVSRIVRRLNIGPSKVRVGVVQFSNDVFPEFYLKTYRSQAPVL\nDAIRRLRLRGGSPLNTGKALEFVARNLFVKSAGSRIEDGVPQHLVLVLGGKSQDDVSRFA\nQVIRSSGIVSLGVGDRNIDRTELQTITNDPRLVFTVREFRELPNIEERIMNSFGPSAATP\nAPPGVDTPPPSRPEKKKADIVFLLDGSINFRRDSFQEVLRFVSEIVDTVYEDGDSIQVGL\nVQYNSDPTDEFFLKDFSTKRQIIDAINKVVYKGGRHANTKVGLEHLRVNHFVPEAGSRLD\nQRVPQIAFVITGGKSVEDAQDVSLALTQRGVKVFAVGVRNIDSEEVGKIASNSATAFRVG\nNVQELSELSEQVLETLHDAMHETLCPGVTDAAKACNLDVILGFDGSRDQNVFVAQKGFES\nKVDAILNRISQMHRVSCSGGRSPTVRVSVVANTPSGPVEAFDFDEYQPEMLEKFRNMRSQ\nHPYVLTEDTLKVYLNKFRQSSPDSVKVVIHFTDGADGDLADLHRASENLRQEGVRALILV\nGLERVVNLERLMHLEFGRGFMYDRPLRLNLLDLDYELAEQLDNIAEKACCGVPCKCSGQR\nGDRGPIGSIGPKGIPGEDGYRGYPGDEGGPGERGPPGVNGTQGFQGCPGQRGVKGSRGFP\nGEKGEVGEIGLDGLDGEDGDKGLPGSSGEKGNPGRRGDKGPRGEKGERGDVGIRGDPGNP\nGQDSQERGPKGETGDLGPMGVPGRDGVPGGPGETGKNGGFGRRGPPGAKGNKGGPGQPGF\nEGEQGTRGAQGPAGPAGPPGLIGEQGISGPRGSGGAAGAPGERGRTGPLGRKGEPGEPGP\nKGGIGNRGPRGETGDDGRDGVGSEGRRGKKGERGFPGYPGPKGNPGEPGLNGTTGPKGIR\nGRRGNSGPPGIVGQKGDPGYPGPAGPKGNRGDSIDQCALIQSIKDKCPCCYGPLECPVFP\nTELAFALDTSEGVNQDTFGRMRDVVLSIVNDLTIAESNCPRGARVAVVTYNNEVTTEIRF\nADSKRKSVLLDKIKNLQVALTSKQQSLETAMSFVARNTFKRVRNGFLMRKVAVFFSNTPT\nRASPQLREAVLKLSDAGITPLFLTRQEDRQLINALQINNTAVGHALVLPAGRDLTDFLEN\nVLTCHVCLDICNIDPSCGFGSWRPSFRDRRAAGSDVDIDMAFILDSAETTTLFQFNEMKK\nYIAYLVRQLDMSPDPKASQHFARVAVVQHAPSESVDNASMPPVKVEFSLTDYGSKEKLVD\nFLSRGMTQLQGTRALGSAIEYTIENVFESAPNPRDLKIVVLMLTGEVPEQQLEEAQRVIL\nQAKCKGYFFVVLGIGRKVNIKEVYTFASEPNDVFFKLVDKSTELNEEPLMRFGRLLPSFV\nSSENAFYLSPDIRKQCDWFQGDQPTKNLVKFGHKQVNVPNNVTSSPTSNPVTTTKPVTTT\nKPVTTTTKPVTTTTKPVTIINQPSVKPAAAKPAPAKPVAAKPVATKMATVRPPVAVKPAT\nAAKPVAAKPAAVRPPAAAAAKPVATKPEVPRPQAAKPAATKPATTKPMVKMSREVQVFEI\nTENSAKLHWERAEPPGPYFYDLTVTSAHDQSLVLKQNLTVTDRVIGGLLAGQTYHVAVVC\nYLRSQVRATYHGSFSTKKSQPPPPQPARSASSSTINLMVSTEPLALTETDICKLPKDEGT\nCRDFILKWYYDPNTKSCARFWYGGCGGNENKFGSQKECEKVCAPVLAKPGVISVMGT",
          "mw": 54.176,
          "total_mw": 54.176,
          "number_molecules": 1,
          "complex_state": false,
          "deuteration": null,
          "molecule_source": "biological",
          "molecule_description": "C-terminal fragment of Collagen alpha-3(VI) chain with R2609A and R2610A mutations to abolish cleavage by furin protease. Collagen VI acts as a cell-binding protein. The protein construct used for SAXS contains an additional non-native N-terminal amino acid extension (ETGDYKDDDDKGGGGSGGGGS), plus additional point mutations relative to the canonical sequence in UniProt (D2357R, K2367R, D2431V, R2441T)."
        }
      ],
      "buffer": {
        "name": "Tris-buffered saline",
        "concentration_unit": null,
        "comment": null,
        "additive": null,
        "concentration": null,
        "pka": null,
        "ph": 7.4,
        "deuteration": null
      },
      "purity_method": null,
      "name": "C-terminal mini-Collagen VI heterotrimer",
      "ext_coefficient": null,
      "contrast": null,
      "specific_vol": null,
      "dry_vol": null,
      "absorbption": null,
      "deuteration": null,
      "mixture": null
    },
    "contributor": [
      {
        "affiliation": [
          {
            "short_name": null,
            "address": "Manchester, UK",
            "full_name": "University of Manchester",
            "webpage": "http://www.manchester.ac.uk/"
          }
        ],
        "contributor_name": "Mark H.",
        "contributor_surname": "Becker",
        "orcid": "https://orcid.org/0000-0003-3474-2419"
      }
    ],
    "concentration_method": null,
    "concentration_unit": null,
    "date": "2022-07-27",
    "storage_temperature": 4.0,
    "cell_temperature": 20.0,
    "exposure_time": 1.0,
    "number_of_frames": 20,
    "wavelength": 0.09537,
    "sample_detector_distance": 3.6889,
    "concentration_min": null,
    "concentration_max": 1.0,
    "sample_volume": null,
    "flow_rate": null,
    "s_min": 0.045,
    "s_max": 3.4,
    "total_exposure_time": null,
    "seccolumn": null
  },
  "fits": [
    {
      "models": [
        {
          "model_plot": "https://www.sasbdb.org/media/pdb_file/images/SASDWL2_fit1_model1_img.png",
          "software": "AlphaFold",
          "pdb_link": [],
          "model_title": null,
          "type_of_model": "atomic",
          "software_version": "2.1.1",
          "model_data": "https://www.sasbdb.org/media/pdb_file/SASDWL2_fit1_model1.pdb",
          "model_mw": 158.1,
          "bead_radius": null,
          "log": null,
          "symmetry": null,
          "comment": null,
          "user": 1151
        }
      ],
      "fit_unit": "1/A",
      "fit_plot": "https://www.sasbdb.org/media/fitting_files/scattering_plots/SASDWL2_fit1_fixed_fit_img.png",
      "software": "FoXS",
      "chi_square_value": 1.76347,
      "p_value": 0.0,
      "fit_residual_plot": "SASDWL2_fit1_fitresiduals_img.png",
      "fit_data": "https://www.sasbdb.org/media/fitting_files/SASDWL2_fit1.fit",
      "fit_log": null,
      "software_version": null,
      "description": ""
    }
  ],
  "estimated_volume_method": null,
  "pddf_software": "ScÅtter",
  "pddf_software_version": "4",
  "i0_calibration_standard": null,
  "description": "CAUTION: Likely aggregated.",
  "experiment_description": "Synchrotron SAXS data from solutions of the C-terminal mini-Collagen VI heterotrimer in Tris-buffered saline, pH 7.4 were collected on the B21 beam line at the Diamond Light Source (Didcot, UK) using a Eiger 4M detector at a sample-detector distance of 3.7 m and at a wavelength of λ = 0.09537 nm (I(s) vs s, where s = 4πsinθ/λ, and 2θ is the scattering angle). One solute concentration of 1.00 mg/ml was measured at 20°C. 20 successive 1 second frames were collected. The data were normalized to the intensity of the transmitted beam and radially averaged; the scattering of the solvent-blank was subtracted.",
  "tags": [],
  "intensity_unit": "arbitrary",
  "experimental_mw": 156.0,
  "experimental_mw_error": null,
  "guinier_i0_mw": null,
  "guinier_i0_mw_error": null,
  "porod_mw": 298.0,
  "porod_mw_error": null,
  "pddf_i0": 2.904666,
  "pddf_i0_error": null,
  "guinier_i0": 0.188595,
  "guinier_i0_error": null,
  "pddf_rg": 4.76,
  "pddf_rg_error": null,
  "guinier_rg": 4.77,
  "guinier_rg_error": 0.465,
  "pddf_dmax": 18.65,
  "pddf_dmax_error": null,
  "porod_volume": 477.6,
  "porod_volume_error": null,
  "estimated_volume": null,
  "estimated_volume_error": null,
  "guinier_point_first": 90,
  "guinier_point_last": 142,
  "pddf_point_first": null,
  "pddf_point_last": null,
  "i0_calibration_standard_data": null,
  "intensities_log_log_plot": "SASDWL2_datloglog_img.png",
  "symmetry": null,
  "last_modified": "2025-08-18T13:07:32.684211+02:00",
  "bragg_peak": []
}
View the complete manifest.json source
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  "finished_at": "2026-08-11T13:41:35.258935+00:00",
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