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SASDWH3 – Thomasclavelia ramosa immunoglobulin A protease N-terminal domain

IgA protease experimental SAS data
ALPHAFOLD model
Sample: IgA protease monomer, 32 kDa Thomasclavelia ramosa protein
Buffer: 25 mM HEPES, 1 mM TCEP, pH: 7.5
Experiment: SAXS data collected at ID7A1 BioSAXS / HP-Bio Beamline, Cornell High Energy Synchrotron Source (CHESS) on 2023 Jun 26
Structure of the Thomasclavelia ramosa immunoglobulin A protease reveals a modular and minimizable architecture distinct from other immunoglobulin A proteases
Norman Tran
RgGuinier 1.9 nm
Dmax 6.0 nm
VolumePorod 38 nm3

SASDWJ3 – Thomasclavelia ramosa immunoglobulin A protease middle (protease) domain

IgA protease experimental SAS data
ALPHAFOLD model
Sample: IgA protease monomer, 55 kDa Thomasclavelia ramosa protein
Buffer: 25 mM HEPES, 1 mM TCEP, pH: 7.5
Experiment: SAXS data collected at ID7A1 BioSAXS / HP-Bio Beamline, Cornell High Energy Synchrotron Source (CHESS) on 2023 Jun 26
Structure of the Thomasclavelia ramosa immunoglobulin A protease reveals a modular and minimizable architecture distinct from other immunoglobulin A proteases
Norman Tran
RgGuinier 2.6 nm
Dmax 8.8 nm
VolumePorod 82 nm3

SASDWK3 – Thomasclavelia ramosa immunoglobulin A protease middle domain with C-terminal domain #1

IgA protease experimental SAS data
PHENIX model
Sample: IgA protease monomer, 63 kDa Thomasclavelia ramosa protein
Buffer: 25 mM HEPES, 1 mM TCEP, pH: 7.5
Experiment: SAXS data collected at ID7A1 BioSAXS / HP-Bio Beamline, Cornell High Energy Synchrotron Source (CHESS) on 2023 Jun 26
Structure of the Thomasclavelia ramosa immunoglobulin A protease reveals a modular and minimizable architecture distinct from other immunoglobulin A proteases
Norman Tran
RgGuinier 2.7 nm
Dmax 9.2 nm
VolumePorod 89 nm3

SASDWL3 – Thomasclavelia ramosa immunoglobulin A protease C-terminal domain #2

IgA protease experimental SAS data
ALPHAFOLD model
Sample: IgA protease monomer, 14 kDa Thomasclavelia ramosa protein
Buffer: 25 mM HEPES, 1 mM TCEP, pH: 7.5
Experiment: SAXS data collected at ID7A1 BioSAXS / HP-Bio Beamline, Cornell High Energy Synchrotron Source (CHESS) on 2023 Jun 26
Structure of the Thomasclavelia ramosa immunoglobulin A protease reveals a modular and minimizable architecture distinct from other immunoglobulin A proteases
Norman Tran
RgGuinier 2.5 nm
Dmax 9.6 nm
VolumePorod 12 nm3

SASDWM3 – Thomasclavelia ramosa immunoglobulin A protease N-terminal domain with middle (protease) domain

IgA protease experimental SAS data
CORAL model
Sample: IgA protease monomer, 88 kDa Thomasclavelia ramosa protein
Buffer: 25 mM HEPES, 1 mM TCEP, pH: 7.5
Experiment: SAXS data collected at ID7A1 BioSAXS / HP-Bio Beamline, Cornell High Energy Synchrotron Source (CHESS) on 2023 Jun 26
Structure of the Thomasclavelia ramosa immunoglobulin A protease reveals a modular and minimizable architecture distinct from other immunoglobulin A proteases
Norman Tran
RgGuinier 3.3 nm
Dmax 10.8 nm
VolumePorod 108 nm3

SASDWN3 – Thomasclavelia ramosa immunoglobulin A protease C-terminal tail

IgA protease experimental SAS data
CORAL model
Sample: IgA protease monomer, 39 kDa Thomasclavelia ramosa protein
Buffer: 25 mM HEPES, 1 mM TCEP, pH: 7.5
Experiment: SAXS data collected at ID7A1 BioSAXS / HP-Bio Beamline, Cornell High Energy Synchrotron Source (CHESS) on 2023 Jun 26
Structure of the Thomasclavelia ramosa immunoglobulin A protease reveals a modular and minimizable architecture distinct from other immunoglobulin A proteases
Norman Tran
RgGuinier 5.3 nm
Dmax 21.5 nm
VolumePorod 52 nm3

SASDWP3 – Thomasclavelia ramosa immunoglobulin A protease middle (protease) domain with C-terminal tail

IgA protease experimental SAS data
CORAL model
Sample: IgA protease monomer, 95 kDa Thomasclavelia ramosa protein
Buffer: 25 mM HEPES, 1 mM TCEP, pH: 7.5
Experiment: SAXS data collected at ID7A1 BioSAXS / HP-Bio Beamline, Cornell High Energy Synchrotron Source (CHESS) on 2023 Jun 26
Structure of the Thomasclavelia ramosa immunoglobulin A protease reveals a modular and minimizable architecture distinct from other immunoglobulin A proteases
Norman Tran
RgGuinier 5.7 nm
Dmax 24.0 nm
VolumePorod 160 nm3

SASDWQ3 – Thomasclavelia ramosa full-length immunoglobulin A protease

IgA protease experimental SAS data
CORAL model
Sample: IgA protease monomer, 131 kDa Thomasclavelia ramosa protein
Buffer: 25 mM HEPES, 1 mM TCEP, pH: 7.5
Experiment: SAXS data collected at ID7A1 BioSAXS / HP-Bio Beamline, Cornell High Energy Synchrotron Source (CHESS) on 2023 Jun 26
Structure of the Thomasclavelia ramosa immunoglobulin A protease reveals a modular and minimizable architecture distinct from other immunoglobulin A proteases
Norman Tran
RgGuinier 5.5 nm
Dmax 24.5 nm
VolumePorod 188 nm3

SASDXD5 – S.aureus PstA in a ligand-free state (cyclic-di-AMP receptor)

Cyclic-di-AMP receptor experimental SAS data
Cyclic-di-AMP receptor Kratky plot
Sample: Cyclic-di-AMP receptor trimer, 42 kDa Staphylococcus aureus protein
Buffer: 20 mM Tris, 150 mM NaCl, pH: 7.5
Experiment: SAXS data collected at EMBL P12, PETRA III on 2018 Dec 11
Activation of a Secondary-Messenger Receptor via Allosteric Modulation of a Dynamic Conformational Ensemble. Angew Chem Int Ed Engl :e202509394 (2025)
Söldner B, Singh H, Akoury E, Witte G, Linser R
RgGuinier 2.7 nm
Dmax 11.0 nm
VolumePorod 91 nm3

SASDXE5 – S.aureus PstA with c-di-AMP (cyclic-di-AMP receptor)

Cyclic-di-AMP receptor experimental SAS data
Cyclic-di-AMP receptor Kratky plot
Sample: Cyclic-di-AMP receptor trimer, 42 kDa Staphylococcus aureus protein
Buffer: 20 mM Tris, 150 mM NaCl, pH: 7.5
Experiment: SAXS data collected at EMBL P12, PETRA III on 2018 Dec 11
Activation of a Secondary-Messenger Receptor via Allosteric Modulation of a Dynamic Conformational Ensemble. Angew Chem Int Ed Engl :e202509394 (2025)
Söldner B, Singh H, Akoury E, Witte G, Linser R
RgGuinier 2.6 nm
Dmax 11.0 nm
VolumePorod 86 nm3