BMRB Entry 51869

Title:
Resonance assignment of the preQ1 riboswitch from Thermotoga tengcongensis
Deposition date:
2023-03-06
Original release date:
2023-04-06
Authors:
Ruckriegel, Stefanie; Hohmann, Katharina
Citation:

Citation: Ruckriegel, Stefanie; Hohmann, Katharina; Furtig, Boris. "A Protonated Cytidine Stabilizes the Ligand-Binding Pocket in the PreQ1 Riboswitch in Thermophilic Bacteria"  Chembiochem 24, e202300228-e202300228 (2023).
PubMed: 37314020

Assembly members:

Assembly members:
entity_1, polymer, 33 residues, Formula weight is not available
entity_PRF, non-polymer, 179.179 Da.

Natural source:

Natural source:   Common Name: Caldanaerobacter subterraneus subsp. tengcongensis   Taxonomy ID: 911092   Superkingdom: Bacteria   Kingdom: not available   Genus/species: Caldanaerobacter subterraneus

Experimental source:

Experimental source:   Production method: in vitro transcription   Host organism: Escherichia coli

Entity Sequences (FASTA):

Entity Sequences (FASTA):
entity_1: CUGGGUCGCAGUAACCCCAG UUAACAAAACAAG

Data sets:
Data typeCount
13C chemical shifts296
15N chemical shifts121
1H chemical shifts293
31P chemical shifts31

Additional metadata:

  • Assembly
  • Samples and Experiments
  • Software
  • Spectrometers
  • Hide all

Assembly:

Entity Assembly IDEntity NameEntity ID
1riboswitch1
2ligand2

Entities:

Entity 1, riboswitch 33 residues - Formula weight is not available

1   CUGGGUCGCA
2   GUAACCCCAG
3   UUAACAAAAC
4   AAG

Entity 2, ligand - C7 H9 N5 O - 179.179 Da.

1   PRF

Samples:

sample_1: preQ1 riboswitch, [U-99% 13C; U-99% 15N], 805 uM; PRF 1127 uM; D2O, [U-99% 2H], 10%

sample_conditions_1: ionic strength: 518 mM; pH: 6.2; pressure: 1 atm; temperature: 313 K

Experiments:

NameSampleSample stateSample conditions
2D 1H-15N HSQCsample_1isotropicsample_conditions_1
2D 1H-13C HSQC/HMQCsample_1isotropicsample_conditions_1
2D 1H-1H NOESYsample_1isotropicsample_conditions_1
3D 1H-13C NOESYsample_1isotropicsample_conditions_1
3D HCCH-TOCSYsample_1isotropicsample_conditions_1
3D HCCH-COSYsample_1isotropicsample_conditions_1
3D HNN COSYsample_1isotropicsample_conditions_1
3D HCP TOCSYsample_1isotropicsample_conditions_1
2D CC-TOCSYsample_1isotropicsample_conditions_1
2D HDQCsample_1isotropicsample_conditions_1

Software:

SPARKY - chemical shift assignment

NMR spectrometers:

  • Bruker AVANCE III 800 MHz