Biophysical characterization of the complex between the iron-responsive transcription factor Fep1 and DNA.

Miele AE, Cervoni L, Le Roy A, Cutone A, Musci G, Ebel C, Bonaccorsi di Patti MC
Eur Biophys J (2021 Jan 4)
PMID: 33398461
doi: 10.1007/s00249-020-01489-y
Submitted to SASBDB: 2020 Jul 24
Published in SASBDB:

SASDJ46 – Fep1-rec-GATA

GATA-type iron responsive transcription factor Fep1 reconstituted24-mer double strand DNA from the GATA promoter experimental SAS data
GATA-type iron responsive transcription factor Fep1 reconstituted 24-mer double strand DNA from the GATA promoter Kratky plot
Sample: GATA-type iron responsive transcription factor Fep1 reconstituted monomer, 22 kDa Komagataella pastoris protein
24-mer double strand DNA from the GATA promoter dimer, 14 kDa synthetic oligonucleotide DNA
Buffer: 50 mM MOPS, 50 mM NaCl, pH: 7
Experiment: SAXS data collected at BM29, ESRF on 2018 Dec 5
RgGuinier 3.5 nm
Dmax 13.1 nm
VolumePorod 73 nm3

SASDJ56 – Fep1-GATA

GATA-type iron responsive transcription factor Fep124-mer double strand DNA from the GATA promoter experimental SAS data
GATA-type iron responsive transcription factor Fep1 24-mer double strand DNA from the GATA promoter Kratky plot
Sample: GATA-type iron responsive transcription factor Fep1 monomer, 22 kDa Komagataella pastoris protein
24-mer double strand DNA from the GATA promoter dimer, 14 kDa synthetic oligonucleotide DNA
Buffer: 50 mM MOPS, 50 mM NaCl, pH: 7
Experiment: SAXS data collected at BM29, ESRF on 2018 Dec 5
RgGuinier 3.2 nm
Dmax 12.0 nm
VolumePorod 85 nm3

SASDJ66 – GATA double strand DNA

24-mer double strand DNA from the GATA promoter experimental SAS data
PDB (PROTEIN DATA BANK) model
Sample: 24-mer double strand DNA from the GATA promoter dimer, 14 kDa synthetic oligonucleotide DNA
Buffer: 50 mM MOPS, 50 mM NaCl, pH: 7
Experiment: SAXS data collected at BM29, ESRF on 2018 Dec 5
RgGuinier 2.1 nm
Dmax 7.4 nm
VolumePorod 10 nm3

SASDJ76 – Fep1 wild type with [2Fe2S] cluster reconstituted

GATA-type iron responsive transcription factor Fep1 reconstituted experimental SAS data
Fep1 wild type with [2Fe2S] cluster reconstituted Rg histogram
Sample: GATA-type iron responsive transcription factor Fep1 reconstituted monomer, 22 kDa Komagataella pastoris protein
Buffer: 50 mM MOPS, 50 mM NaCl, pH: 7
Experiment: SAXS data collected at BM29, ESRF on 2018 Dec 5
RgGuinier 3.8 nm
Dmax 16.5 nm
VolumePorod 53 nm3

SASDJ86 – Fep1 wild type

GATA-type iron responsive transcription factor Fep1 experimental SAS data
Fep1 wild type Rg histogram
Sample: GATA-type iron responsive transcription factor Fep1 monomer, 22 kDa Komagataella pastoris protein
Buffer: 50 mM MOPS, 50 mM NaCl, pH: 7
Experiment: SAXS data collected at BM29, ESRF on 2018 Dec 5
RgGuinier 3.5 nm
Dmax 11.8 nm
VolumePorod 41 nm3