BMRB Entry 36698

Title:
Solution NMR structure of the 1:1 complex of NOP56 intronic G-quadruplex bound with pyridostatin
Deposition date:
2024-10-11
Original release date:
2025-12-12
Authors:
Yan, Z.; Wan, L.; Guo, P.; Han, D.
Citation:

Citation: Yan, Zhenzhen; He, Axin; Wan, Liqi; Gao, Qian; Jiang, Yan; Wang, Yang; Wang, Ercheng; Li, Changling; Yang, Yingquan; Li, Yingjie; Guo, Pei; Han, Da. "Structural Insights into an Antiparallel Chair-Type G-Quadruplex From the Intron of NOP56 Oncogene."  Adv. Sci (Weinh). 12, e2406230-e2406230 (2025).
PubMed: 40047221

Assembly members:

Assembly members:
DNA (5'-D(*GP*GP*GP*CP*CP*TP*GP*GP*GP*CP*CP*TP*GP*GP*GP*CP*CP*TP*GP*GP*G)-3'), polymer, 21 residues, 6553.182 Da.
4-(2-azanylethoxy)-N2,N6-bis[4-(2-azanylethoxy)quinolin-2-yl]pyridine-2,6-dicarboxamide, non-polymer, 596.636 Da.

Natural source:

Natural source:   Common Name: Human   Taxonomy ID: 9606   Superkingdom: Eukaryota   Kingdom: Metazoa   Genus/species: Homo sapiens

Experimental source:

Experimental source:   Production method: chemical synthesis   Host organism: unidentified

Entity Sequences (FASTA):

Entity Sequences (FASTA):
DNA (5'-D(*GP*GP*GP*CP*CP*TP*GP*GP*GP*CP*CP*TP*GP*GP*GP*CP*CP*TP*GP*GP*G)-3'): GGGCCTGGGCCTGGGCCTGG G

Data sets:
Data typeCount
1H chemical shifts136

Additional metadata:

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

Assembly:

Entity Assembly IDEntity NameEntity ID
1entity_11
2entity_7V82

Entities:

Entity 1, entity_1 21 residues - 6553.182 Da.

1   DGDGDGDCDCDTDGDGDGDC
2   DCDTDGDGDGDCDCDTDGDG
3   DG

Entity 2, entity_7V8 - C31 H32 N8 O5 - 596.636 Da.

1   7V8

Samples:

sample_1: DNA (5'-D(*GP*GP*GP*CP*CP*TP*GP*GP*GP*CP*CP*TP*GP*GP*GP*CP*CP*TP*GP*GP*G)-3') 0.5 mM; pyridostatin 1.5 mM; sodium phosphate 1 mM; DSS 0.02 mM; D2O, [U-2H], 99.96%

sample_2: DNA (5'-D(*GP*GP*GP*CP*CP*TP*GP*GP*GP*CP*CP*TP*GP*GP*GP*CP*CP*TP*GP*GP*G)-3') 0.5 mM; pyridostatin 1.5 mM; sodium phosphate 1 mM; DSS 0.02 mM; H2O 90%; D2O, [U-2H], 10%

sample_conditions_1: ionic strength: 1 mM; pH: 7; pressure: 1 atm; temperature: 298 K

Experiments:

NameSampleSample stateSample conditions
2D 1H-1H NOESYsample_1isotropicsample_conditions_1
2D 1H-1H NOESYsample_2isotropicsample_conditions_1
2D 1H-1H TOCSYsample_1isotropicsample_conditions_1
2D 1H-1H COSYsample_1isotropicsample_conditions_1

Software:

TopSpin, Bruker Biospin - chemical shift assignment

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

NMR spectrometers:

  • Bruker AVANCE 600 MHz