BMRB Entry 34867

Title:
Formation of left-handed helices by C2'-fluorinated nucleic acids under physiological salt conditions
Deposition date:
2023-09-29
Original release date:
2024-06-20
Authors:
El-Khoury, R.; Cabrero, C.; Movilla, S.; Friedland, D.; Thorpe, J.; Roman, M.; Orozco, M.; Gonzalez, C.; Damha, M.
Citation:

Citation: El-Khoury, Roberto; Cabrero, Cristina; Movilla, Santiago; Kaur, Harneesh; Friedland, David; Dominguez, Arnau; Thorpe, James; Roman, Morgane; Orozco, Modesto; Gonzalez, Carlos; Damha, Masad. "Formation of left-handed helices by C2'-fluorinated nucleic acids under physiological salt conditions"  Nucleic Acids Res. 52, 7414-7428 (2024).
PubMed: 38874502

Assembly members:

Assembly members:
entity_1, polymer, 6 residues, 1918.151 Da.

Natural source:

Natural source:   Common Name: not available   Taxonomy ID: 32630   Superkingdom: not available   Kingdom: not available   Genus/species: synthetic construct

Experimental source:

Experimental source:   Production method: chemical synthesis

Entity Sequences (FASTA):

Entity Sequences (FASTA):
entity_1: XXXXXX

Data sets:
Data typeCount
19F chemical shifts6
1H chemical shifts60

Additional metadata:

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

Assembly:

Entity Assembly IDEntity NameEntity ID
1unit_11
2unit_21

Entities:

Entity 1, unit_1 6 residues - 1918.151 Da.

1   CFLGF2CFLGF2CFLGF2

Samples:

sample_1: DNA (5'-D(*(CFL)P*(FRG)P*(CFL)P*(FRG)P*(CFL)P*(FRG))-3') 0.5 M

sample_conditions_1: ionic strength: 10 mM; pH: 7; pressure: 1 atm; temperature: 278 K

Experiments:

NameSampleSample stateSample conditions
2D 1H-1H NOESYsample_1isotropicsample_conditions_1
2D 1H-1H TOCSYsample_1isotropicsample_conditions_1
2D 1H-1H COSYsample_1isotropicsample_conditions_1

Software:

TopSpin, Bruker Biospin - collection, processing

NMRFAM-SPARKY, Goddard & Kneller - chemical shift assignment

Amber, Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman - refinement, structure calculation

MOLMOL, Koradi, Billeter and Wuthrich - data analysis

3DNA, Lu & Olson - data analysis

NMR spectrometers:

  • Bruker AVANCE NEO 600 MHz