Solution x-ray scattering highlights discrepancies in Plasmodium multi-aminoacyl-tRNA synthetase complexes.

Jaramillo Ponce JR, Théobald-Dietrich A, Bénas P, Paulus C, Sauter C, Frugier M
Protein Sci :e4564 (2023 Jan 6)
PMID: 36606712
doi: 10.1002/pro.4564
Submitted to SASBDB: 2022 Oct 24
Published in SASBDB:

SASDQ47 – N-terminal GST-like domain of Plasmodium berghei tRNA import protein

tRNA import protein tRIP experimental SAS data
CORAL model
Sample: TRNA import protein tRIP dimer, 49 kDa Plasmodium berghei (strain … protein
Buffer: 25 mM HEPES-NaOH, 300 mM NaCl, 5% (v/v) glycerol, 0.005% (m/v) n-dodecyl beta-D-maltoside, 5 mM 2-mercaptoethanol, pH: 7
Experiment: SAXS data collected at SWING, SOLEIL on 2021 Oct 9
RgGuinier 2.9 nm
Dmax 11.0 nm
VolumePorod 68 nm3

SASDQ37 – N-terminal GST-like domain of Plasmodium berghei cytosolic glutamyl-tRNA synthetase

Glutamate--tRNA ligase experimental SAS data
OLIGOMER model
Sample: Glutamate--tRNA ligase dimer, 57 kDa Plasmodium berghei (strain … protein
Buffer: 25 mM HEPES-NaOH, 300 mM NaCl, 5% (v/v) glycerol, 0.005% (m/v) n-dodecyl beta-D-maltoside, 5 mM 2-mercaptoethanol, pH: 7
Experiment: SAXS data collected at SWING, SOLEIL on 2021 Oct 9
RgGuinier 3.0 nm
Dmax 11.5 nm
VolumePorod 96 nm3

SASDQ57 – The scaffold of Plasmodium berghei multi aminoacyl-tRNA synthetase complexes

Chimeric construct containing the GST-like domains of P. berghei tRNA import protein and glutamyl-tRNA synthetase experimental SAS data
CORAL model
Sample: Chimeric construct containing the GST-like domains of P. berghei tRNA import protein and glutamyl-tRNA synthetase dimer, 105 kDa Plasmodium berghei ANKA protein
Buffer: 25 mM HEPES-NaOH, 300 mM NaCl, 5% (v/v) glycerol, 0.005% (m/v) n-dodecyl beta-D-maltoside, 5 mM 2-mercaptoethanol, pH: 7
Experiment: SAXS data collected at SWING, SOLEIL on 2021 Oct 9
RgGuinier 3.9 nm
Dmax 14.1 nm
VolumePorod 145 nm3

SASDQ67 – Plasmodium berghei multi aminoacyl-tRNA synthetase complex, Q-complex containing the GST-like domains of tRNA import protein, glutamyl-tRNA synthetase and glutaminyl-tRNA synthetase

Glutamine--tRNA ligaseGlutamate--tRNA ligasetRNA import protein tRIP experimental SAS data
CORAL model
Sample: Glutamine--tRNA ligase dimer, 46 kDa Plasmodium berghei (strain … protein
Glutamate--tRNA ligase dimer, 55 kDa Plasmodium berghei (strain … protein
TRNA import protein tRIP dimer, 48 kDa Plasmodium berghei (strain … protein
Buffer: 25 mM HEPES-NaOH, 300 mM NaCl, 5% (v/v) glycerol, 0.005% (m/v) n-dodecyl beta-D-maltoside, 5 mM 2-mercaptoethanol, pH: 7
Experiment: SAXS data collected at SWING, SOLEIL on 2021 Oct 9
RgGuinier 4.6 nm
Dmax 17.1 nm
VolumePorod 198 nm3

SASDQ77 – Plasmodium berghei multi aminoacyl-tRNA synthetase complex, M-complex containing the GST-like domains of tRNA import protein, glutamyl-tRNA synthetase and methionyl-tRNA synthetase

Methionine--tRNA ligasetRNA import protein tRIPGlutamate--tRNA ligase experimental SAS data
CORAL model
Sample: Methionine--tRNA ligase dimer, 55 kDa Plasmodium berghei (strain … protein
TRNA import protein tRIP dimer, 48 kDa Plasmodium berghei (strain … protein
Glutamate--tRNA ligase dimer, 55 kDa Plasmodium berghei (strain … protein
Buffer: 25 mM HEPES-NaOH, 300 mM NaCl, 5% (v/v) glycerol, 0.005% (m/v) n-dodecyl beta-D-maltoside, 5 mM 2-mercaptoethanol, pH: 7
Experiment: SAXS data collected at SWING, SOLEIL on 2021 Oct 9
RgGuinier 4.7 nm
Dmax 18.3 nm
VolumePorod 217 nm3