Structural characterization of pH-modulated closed and open states in a pentameric ligand-gated ion channel

Marie Lycksell Submitted to SASBDB: 2024 Jun 28
Published in SASBDB:

SASDVX3 – Desulfofustis sp. PB-SRB1 ligand-gated ion channel DeCLIC with calcium at pH 5 by paused SEC-SANS

Neurotransmitter-gated ion-channel ligand-binding domain-containing protein experimental SAS data
Desulfofustis sp. PB-SRB1 ligand-gated ion channel DeCLIC with calcium at pH 5 by paused SEC-SANS Rg histogram
Sample: Neurotransmitter-gated ion-channel ligand-binding domain-containing protein pentamer, 342 kDa Desulfofustis sp. PB-SRB1 protein
Buffer: 20 mM citrate, 150 mM NaCl, 10 mM CaCl2, 0.5 mM deuterated n-Dodecyl-B-D-Maltoside, in D2O, pH: 5
Experiment: SANS data collected at D22, Institut Laue-Langevin (ILL) on 2021 Jun 17
RgGuinier 5.1 nm
Dmax 17.1 nm
VolumePorod 581 nm3

SASDVY3 – Desulfofustis sp. PB-SRB1 ligand-gated ion channel DeCLIC without calcium at pH 5 by paused SEC-SANS

Neurotransmitter-gated ion-channel ligand-binding domain-containing protein experimental SAS data
Desulfofustis sp. PB-SRB1 ligand-gated ion channel DeCLIC without calcium at pH 5 by paused SEC-SANS Rg histogram
Sample: Neurotransmitter-gated ion-channel ligand-binding domain-containing protein pentamer, 342 kDa Desulfofustis sp. PB-SRB1 protein
Buffer: 20 mM citrate, 150 mM NaCl, 10 mM EDTA, 0.5 mM deuterated n-Dodecyl-β-D-Maltoside, in D2O, pH: 5
Experiment: SANS data collected at D22, Institut Laue-Langevin (ILL) on 2021 Jun 17
RgGuinier 5.2 nm
Dmax 18.4 nm
VolumePorod 558 nm3