The switch that does not flip: the blue-light receptor YtvA from Bacillus subtilis adopts an elongated dimer conformation independent of the activation state as revealed by a combined AUC and SAXS study.

Jurk M, Dorn M, Kikhney A, Svergun D, Gärtner W, Schmieder P
J Mol Biol 403(1):78-87 (2010 Oct 15)
PMID: 20800068
doi: 10.1016/j.jmb.2010.08.036
Submitted to SASBDB: 2017 Jul 3
Published in SASBDB:

SASDC56 – Blue light receptor YtvA, dark/inactive state

pfyP - Blue light photoreceptor experimental SAS data
GASBOR model
Sample: PfyP - Blue light photoreceptor dimer, 58 kDa Bacillus subtilis protein
Buffer: PBS + 5 mM DTT, pH: 7.4
Experiment: SAXS data collected at EMBL X33, DORIS III, DESY on 2009 Oct 24
RgGuinier 3.2 nm
Dmax 10.1 nm
VolumePorod 75 nm3

SASDC66 – Blue light receptor YtvA, lit/active state

pfyP - Blue light photoreceptor experimental SAS data
GASBOR model
Sample: PfyP - Blue light photoreceptor dimer, 58 kDa Bacillus subtilis protein
Buffer: PBS + 5 mM DTT, pH: 7.4
Experiment: SAXS data collected at EMBL X33, DORIS III, DESY on 2009 Oct 24
RgGuinier 3.2 nm
Dmax 10.1 nm
VolumePorod 74 nm3