BMRB Entry 16222

Title:
NMR Structure of Aflatoxin Formamidopyrimidine alpha-anomer in duplex DNA
Deposition date:
2009-03-24
Original release date:
2009-11-23
Authors:
Brown, Kyle
Citation:

Citation: Brown, Kyle; Voehler, Markus; Magee, Shane; Harris, Constance; Harris, Thomas; Stone, Michael. "Structural perturbations induced by the alpha-anomer of the aflatoxin B(1) formamidopyrimidine adduct in duplex and single-strand DNA."  J. Am. Chem. Soc. 131, 16096-16107 (2009).
PubMed: 19831353

Assembly members:

Assembly members:
Aflatoxin_B1_Formamidopyrimidine, polymer, 10 residues, 3365.322 Da.
DNA_(5'-D(*DTP*DGP*DAP*DAP*DTP*DCP*DAP*DTP*DAP*DG)-3')_, polymer, 10 residues, 3068.066 Da.

Natural source:

Natural source:   Common Name: Aspergillus flavus   Taxonomy ID: 5059   Superkingdom: Eukaryota   Kingdom: Fungi   Genus/species: Aspergillus flavus

Experimental source:

Experimental source:   Production method: purified from the natural source   Host organism: Aspergillus flavus

Entity Sequences (FASTA):

Entity Sequences (FASTA):
Aflatoxin_B1_Formamidopyrimidine: CTATXATTCA
DNA_(5'-D(*DTP*DGP*DAP*DAP*DTP*DCP*DAP*DTP*DAP*DG)-3')_: TGAATCATAG

Data sets:
Data typeCount
1H chemical shifts220

Additional metadata:

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

Assembly:

Entity Assembly IDEntity NameEntity ID
1Aflatoxin B1 Formamidopyrimidine1
2DNA (5'-D(*DTP*DGP*DAP*DAP*DTP*DCP*DAP*DTP*DAP*DG)-3')2

Entities:

Entity 1, Aflatoxin B1 Formamidopyrimidine 10 residues - 3365.322 Da.

1   DCDTDADTFAGDADTDTDCDA

Entity 2, DNA (5'-D(*DTP*DGP*DAP*DAP*DTP*DCP*DAP*DTP*DAP*DG)-3') 10 residues - 3068.066 Da.

1   DTDGDADADTDCDADTDADG

Samples:

sample_1: 2'-DEOXYCYTIDINE-5'-MONOPHOSPHATE 1 ± 0.2 mM; THYMIDINE-5'-MONOPHOSPHATE 1 ± 0.2 mM; 2'-DEOXYADENOSINE-5'-MONOPHOSPHATE 1 ± 0.2 mM; Aflatoxin B1 Formamidopyrimidine 1 ± 0.2 mM; 2'-DEOXYGUANOSINE-5'-MONOPHOSPHATE 1 ± 0.2 mM; D2O 100%; Sodium Phosphate 0.02 M; NaCl 0.1 M; NaN3 10 uM; Na2EDTA 50 uM; DNA_(5'-D(*DTP*DGP*DAP*DAP*DTP*DCP*DAP*DTP*DAP*DG)-3')_

sample_2: 2'-DEOXYCYTIDINE-5'-MONOPHOSPHATE 1 ± 0.2 mM; THYMIDINE-5'-MONOPHOSPHATE 1 ± 0.2 mM; 2'-DEOXYADENOSINE-5'-MONOPHOSPHATE 1 ± 0.2 mM; Aflatoxin B1 Formamidopyrimidine 1 ± 0.2 mM; 2'-DEOXYGUANOSINE-5'-MONOPHOSPHATE 1 ± 0.2 mM; H2O 90%; D2O 10%; Sodium Phosphate 0.02 M; NaCl 0.1 M; NaN3 10 uM; Na2EDTA 50 uM; DNA_(5'-D(*DTP*DGP*DAP*DAP*DTP*DCP*DAP*DTP*DAP*DG)-3')_ 1 mM

sample_conditions_1: ionic strength: 0.1 M; pH: 8.7; pressure: 1 atm; temperature: 280 K

Experiments:

NameSampleSample stateSample conditions
1H-1H NOESYsample_1isotropicsample_conditions_1
1H-1H COSYsample_1isotropicsample_conditions_1
1H-1H NOESYsample_2isotropicsample_conditions_1
1H-31P COSYsample_1isotropicsample_conditions_1

Software:

AMBER v9, Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, ... and Kollm - refinement

SPARKY, Goddard - chemical shift assignment, data analysis

TOPSPIN, Bruker Biospin - processing

MARDIGRAS, Borgias, B.A. & James, T.L. - restraint generation

CORMA, James T.L. - structure validation

CURVES, Lavery, R. and Sklenar, H - data analysis

NMR spectrometers:

  • Bruker Avance 800 MHz
  • Bruker Avance 600 MHz