SASBDB entries for UniProt ID:

SASDUJ4 – Tandem of WW domains of Pre-mRNA-processing factor 40 homolog A (PRPF40A) in complex with Splicing factor 1 (SF1) in HEPES buffer

UniProt ID: O75400 (141-236) Pre-mRNA-processing factor 40 homolog A

UniProt ID: Q15637 (575-590) Splicing factor 1
Pre-mRNA-processing factor 40 homolog ASplicing factor 1 experimental SAS data
Pre-mRNA-processing factor 40 homolog A Splicing factor 1 Kratky plot
Sample: Pre-mRNA-processing factor 40 homolog A monomer, 11 kDa Homo sapiens protein
Splicing factor 1 monomer, 2 kDa Homo sapiens protein
Buffer: 20 mM HEPES, 100 mM NaCl, 1 mM DTT, pH: 6.6
Experiment: SAXS data collected at Rigaku BioSAXS-1000, Technische Universität München on 2024 Mar 8
Intramolecular autoinhibition regulates the selectivity of PRPF40A tandem WW domains for proline-rich motifs. Nat Commun 15(1):3888 (2024)
Martínez-Lumbreras S, Träger LK, Mulorz MM, Payr M, Dikaya V, Hipp C, König J, Sattler M
RgGuinier 1.9 nm
Dmax 6.0 nm
VolumePorod 19 nm3

SASDUJ9 – Mononuclear iron bound form of human ISCA1 under 180 mT magnetic field for 60 min

UniProt ID: Q9BUE6 (2-129) Human Iron-sulfur cluster assembly 1 homolog, mitochondrial
Human Iron-sulfur cluster assembly 1 homolog, mitochondrial experimental SAS data
Human Iron-sulfur cluster assembly 1 homolog, mitochondrial Kratky plot
Sample: Human Iron-sulfur cluster assembly 1 homolog, mitochondrial, 14 kDa Homo sapiens protein
Buffer: 20 mM Tris-HCl, 0.15 M NaCl, 10 mM 3-mercapto-1,2-propanediol, pH: 8
Experiment: SAXS data collected at BL-10C, Photon Factory (PF), High Energy Accelerator Research Organization (KEK) on 2023 Dec 1
A hidden property of the iron-sulfur protein in the mononuclear iron-bound state: species-dependent structural ordering induced by magnetic fields. FEBS J (2025)
Arai S, Soga S, Hirai M, Kobayashi R, Masai H, Kimura K, Maeda K, Nagashima H
RgGuinier 3.0 nm
Dmax 11.2 nm
VolumePorod 66 nm3

SASDUP9 – Br-labelled Importin Beta Binding domain (IBB) from importin subunit alpha-1 in 2 M Urea

UniProt ID: J3QLL0 (2-73) importin-beta-binding domain of importin subunit alpha-1 labelled with unnatural amino acid diBrK
importin-beta-binding domain of importin subunit alpha-1 labelled with unnatural amino acid diBrK experimental SAS data
importin-beta-binding domain of importin subunit alpha-1 labelled with unnatural amino acid diBrK Kratky plot
Sample: Importin-beta-binding domain of importin subunit alpha-1 labelled with unnatural amino acid diBrK monomer, 8 kDa Homo sapiens protein
Buffer: phosphate buffered saline containing 2 M urea, 0.3 M KCl, 5 mM DTT, pH: 7.4
Experiment: SAXS data collected at EMBL P12, PETRA III on 2023 Jul 1
A genetically encoded anomalous SAXS ruler to probe the dimensions of intrinsically disordered proteins. Proc Natl Acad Sci U S A 121(50):e2415220121 (2024)
Yu M, Gruzinov AY, Ruan H, Scheidt T, Chowdhury A, Giofrè S, Mohammed ASA, Caria J, Sauter PF, Svergun DI, Lemke EA
RgGuinier 3.0 nm
Dmax 14.4 nm
VolumePorod 31 nm3

SASDVF2 – Staphylococcal extracellular adherence protein (Eap) in unbound form

UniProt ID: Q99QS1 (32-478) Protein map
Protein map experimental SAS data
MULTIFOXS model
Sample: Protein map monomer, 50 kDa Staphylococcus aureus (strain … protein
Buffer: 20 mM HEPES, 140 mM NaCl, pH: 7.4
Experiment: SAXS data collected at 12.3.1 (SIBYLS), Advanced Light Source (ALS) on 2023 Jun 3
S. aureus Eap is a polyvalent inhibitor of neutrophil serine proteases. J Biol Chem 300(9):107627 (2024)
Mishra N, Gido CD, Herdendorf TJ, Hammel M, Hura GL, Fu ZQ, Geisbrecht BV
RgGuinier 4.0 nm
VolumePorod 64 nm3

SASDVG4 – Human CDAN1-interacting nuclease 1 (frames 717 - 723)

UniProt ID: Q9Y2V0 (1-281) CDAN1-interacting nuclease 1
CDAN1-interacting nuclease 1 experimental SAS data
ALPHAFOLD model
Sample: CDAN1-interacting nuclease 1 dimer, 67 kDa Homo sapiens protein
Buffer: 20 mM Tris HCl, 150 mM NaCl, 5% glycerol, pH: 8
Experiment: SAXS data collected at EMBL P12, PETRA III on 2023 Sep 29
Anemia-associated mutations disrupt the CDIN1-Codanin1 complex in inherited congenital dyserythropoietic anemia I (CDA-I) disease. FEBS J (2026)
Stojaspal M, Brom T, Nečasová I, Janovič T, Veverka P, Verma N, Uhrík L, Hernychova L, Hofr C
RgGuinier 2.8 nm
Dmax 9.9 nm
VolumePorod 85 nm3

SASDV27 – Mitochondrial intermembrane space import and assembly protein 40 (CHCHD4) point mutant H20D

UniProt ID: Q8N4Q1 (1-142) Mitochondrial intermembrane space import and assembly protein 40
Mitochondrial intermembrane space import and assembly protein 40 experimental SAS data
Mitochondrial intermembrane space import and assembly protein 40 Kratky plot
Sample: Mitochondrial intermembrane space import and assembly protein 40 monomer, 16 kDa Homo sapiens protein
Buffer: 25 mM HEPES, 150 mM NaCl, 2 mM TCEP, pH: 7.5
Experiment: SAXS data collected at 12.3.1 (SIBYLS), Advanced Light Source (ALS) on 2021 Oct 26
NADH-bound AIF activates the mitochondrial CHCHD4/MIA40 chaperone by a substrate-mimicry mechanism. EMBO J (2025)
Brosey CA, Shen R, Tainer JA
RgGuinier 3.2 nm
Dmax 11.2 nm
VolumePorod 66 nm3

SASDVR7 – PABL2 (Partner and localizer of BRCA2) incubated with dT50 (DNA)

UniProt ID: Q86YC2 (1-200) Partner and localizer of BRCA2
Partner and localizer of BRCA2 experimental SAS data
Partner and localizer of BRCA2 Kratky plot
Sample: Partner and localizer of BRCA2 dimer, 46 kDa Homo sapiens protein
Buffer: 20 mM HEPES, 160 mM NaCl, 0.5 mM TCEP pH 7.5, pH: 7.5
Experiment: SAXS data collected at ID7A1 BioSAXS / HP-Bio Beamline, Cornell High Energy Synchrotron Source (CHESS) on 2023 Dec 9
The strand exchange domain of tumor suppressor PALB2 is intrinsically disordered and promotes oligomerization-dependent DNA compaction. iScience 27(12):111259 (2024)
Kyriukha Y, Watkins MB, Redington JM, Chintalapati N, Ganti A, Dastvan R, Uversky VN, Hopkins JB, Pozzi N, Korolev S
RgGuinier 4.6 nm
Dmax 17.6 nm
VolumePorod 236 nm3

SASDVA9 – C-terminally truncated form of mouse High mobility group protein B2 (HMGB2ΔC) apo form

UniProt ID: P30681 (1-166) High mobility group protein B2
High mobility group protein B2 experimental SAS data
C-terminally truncated form of mouse High mobility group protein B2 (HMGB2ΔC) apo form Rg histogram
Sample: High mobility group protein B2 monomer, 20 kDa Mus musculus protein
Buffer: Tris 50mM, NaCl 150mM, pH: 7
Experiment: SAXS data collected at 13A, Taiwan Photon Source, NSRRC on 2024 Apr 27
High mobility group protein B2 (HMGB2)
Chun I Tu
RgGuinier 3.0 nm
Dmax 10.7 nm
VolumePorod 32 nm3

SASDVM9 – Human DNA methyltransferase 3 beta DNMT3B (413-853) and DNA methyltransferase 3-like DNMT3L (178-379) in complex with histone H3

UniProt ID: P84243 (1-40) Histone H3.3

UniProt ID: Q9UJW3 (178-379) DNA methyltransferase 3-like (178-379)

UniProt ID: Q9UBC3 (413-853) DNA methyltransferase 3 beta (413-853)
Histone H3.3DNA methyltransferase 3-like (178-379)DNA methyltransferase 3 beta (413-853) experimental SAS data
GASBOR model
Sample: Histone H3.3 dimer, 8 kDa Homo sapiens protein
DNA methyltransferase 3-like (178-379) dimer, 47 kDa Homo sapiens protein
DNA methyltransferase 3 beta (413-853) dimer, 100 kDa Homo sapiens protein
Buffer: 20 mM Tris, 300 mM NaCl, 1 mM TCEP, 5% glycerol, pH: 8
Experiment: SAXS data collected at 13A, Taiwan Photon Source, NSRRC on 2022 Nov 2
Histone modification-driven structural remodeling unleashes DNMT3B in DNA methylation. Sci Adv 11(13):eadu8116 (2025)
Cho CC, Huang HH, Jiang BC, Yang WZ, Chen YN, Yuan HS
RgGuinier 4.5 nm
Dmax 16.0 nm
VolumePorod 186 nm3

SASDWD2 – 2.4 mg/mL β-chitin nanofibers from squid pens with 0.5 mg/mL perdeuterated N-acetylglucosamine binding Protein A (D-GbpA) in 47 % D₂O

UniProt ID: None (None-None) β-chitin nanofibers from squid pens

UniProt ID: Q9KLD5 (24-485) GlcNAc-binding protein A (perdeuterated)
β-chitin nanofibers from squid pensGlcNAc-binding protein A (perdeuterated) experimental SAS data
β-chitin nanofibers from squid pens GlcNAc-binding protein A (perdeuterated) Kratky plot
Sample: Β-chitin nanofibers from squid pens None, Squid
GlcNAc-binding protein A (perdeuterated) monomer, 51 kDa Vibrio cholerae serotype … protein
Buffer: 20 mM acetate, 47% v/v D₂O, pH: 5
Experiment: SANS data collected at D11, ILL on 2019 Sep 21
Tangled Up in Fibers: How a Multidomain Lytic Polysaccharide Monooxygenase Binds Its Chitin Substrate. ACS Appl Mater Interfaces (2026)
Sørensen HV, Montserrat-Canals M, Coder A, Prévost S, Krueger S, Vaaje-Kolstad G, Bjerregaard-Andersen K, Lund R, Krengel U