Structure of relaxase from Bacillus subtilis conjugative plasmid pLS20 reveals a new mechanism of DNA processing mediated by dimerization

Isidro Crespo Submitted to SASBDB: 2025 Mar 11
Published in SASBDB:

SASDX82 – N-terminal domain of relaxase from Bacillus subtilis conjugative plasmid pLS20

Relaxase experimental SAS data
PHENIX model
Sample: Relaxase monomer, 29 kDa Bacillus subtilis subsp. … protein
Buffer: 20 mM Tris, 300 mM NaCl, 1 mM DTT, pH: 8
Experiment: SAXS data collected at BL11 - NCD, ALBA on 2019 Dec 3
RgGuinier 2.3 nm
Dmax 7.5 nm
VolumePorod 48 nm3

SASDX92 – N-terminal domain of relaxase from Bacillus subtilis conjugative plasmid pLS20 in complex with nic sequence DNA

Relaxasenic sequence, single stranded experimental SAS data
PHENIX model
Sample: Relaxase dimer, 57 kDa Bacillus subtilis subsp. … protein
Nic sequence, single stranded dimer, 12 kDa Bacillus subtilis DNA
Buffer: 20 mM Tris, 300 mM NaCl, 1 mM DTT, pH: 8
Experiment: SAXS data collected at BL11 - NCD, ALBA on 2019 Dec 3
RgGuinier 2.5 nm
Dmax 8.2 nm
VolumePorod 50 nm3