3coa

Crystal Structure of FoxO1 DBD Bound to IRE DNA

Method: X-RAY DIFFRACTION Dmax: 87.9 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

Forkhead box protein O1

Homo sapiens

UniProt Q12778

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein–DNA Monomer Protein × 1 DNA 2 PDB declaration: trimeric(3) Consistent with all polymer counts Chain C; UniProt 151–266 Not recorded ;DNA (5'-D(*DTP*DGP*DGP*DTP*DTP*DTP*DGP*DTP*DTP*DTP*DTP*DGP*DCP*DTP*DTP*DG)-3') ; × 1 ;DNA (5'-D(*DCP*DAP*DAP*DGP*DCP*DAP*DAP*DAP*DAP*DCP*DAP*DAP*DAP*DCP*DCP*DA)-3') ; × 1 CA CALCIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.8;277 K;30% PEG 4000, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 2.20 Å R-free 0.250
2 Protein–DNA Monomer Protein × 1 DNA 2 PDB declaration: trimeric(3) Consistent with all polymer counts Chain F; UniProt 151–266 Not recorded ;DNA (5'-D(*DTP*DGP*DGP*DTP*DTP*DTP*DGP*DTP*DTP*DTP*DTP*DGP*DCP*DTP*DTP*DG)-3') ; × 1 ;DNA (5'-D(*DCP*DAP*DAP*DGP*DCP*DAP*DAP*DAP*DAP*DCP*DAP*DAP*DAP*DCP*DCP*DA)-3') ; × 1 CA CALCIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.8;277 K;30% PEG 4000, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 2.20 Å R-free 0.250

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

9 other PDB entries and 15 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FOXO1_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 2–117; UniProt 151–266 Author chain F; PDBConstruct 2–117; UniProt 151–266

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 3coa

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3coa
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3coa
Deposition date deposition_date2008-03-27
Structure title titleCrystal Structure of FoxO1 DBD Bound to IRE DNA
Keywords keywords;winged helix, forkhead domain, Chromosomal rearrangement, Cytoplasm, DNA-binding, Nucleus, Phosphoprotein, Proto-oncogene, Transcription, Transcription regulation, Transcription-DNA COMPLEX ;; Transcription/DNA
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier25.86
Radius of gyration Rg (electron density) rg_electron24.47
Forward intensity I(0) i044424000.00
Molecular weight molecular_weight39146.0 kDa
Excluded volume excluded_volume43435 ų
Envelope volume envelope_volume60460 ų
Hydration-shell volume shell_volume21894 ų
Envelope diameter envelope_diameter90.6
Shell Rg shell_rg30.22
Envelope Rg envelope_rg24.21
Shape Rg shape_rg24.37
Total Rg total_rg25.23
Total atoms total_atoms2680
Residues n_residues237
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax87.9
Rg (real space) rg_real25.99
Rg uncertainty (real space) rg_real_error0.94
I(0) (real space) i0_real4.4420e+07
I(0) uncertainty (real space) i0_real_error6.6170e+05
Rg (reciprocal space) rg_reciprocal25.95
I(0) (reciprocal space) i0_reciprocal44420000.0000
Solution quality estimate total_estimate0.8673
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.9
Skewness Skewness skewness0.434
Kurtosis Kurtosis kurtosis-0.356
Angular range angular_range— – 0.3050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2842000.0000
Real-space data points n_real_points62
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.837; Stabil: 0.996; Sysdev: 1.000; Positv: 1.000; Valcen: 0.853; Smooth: 0.917

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd3coac_
Class classa — All alpha proteins
Fold Fold folda.4 — DNA/RNA-binding 3-helical bundle
Superfamily Superfamily superfamilya.4.5 — 'Winged helix' DNA-binding domain
Family Family familya.4.5.14 — Forkhead DNA-binding domain
Domain ID domain_idd3coaf_
Class classa — All alpha proteins
Fold Fold folda.4 — DNA/RNA-binding 3-helical bundle
Superfamily Superfamily superfamilya.4.5 — 'Winged helix' DNA-binding domain
Family Family familya.4.5.14 — Forkhead DNA-binding domain

CATH v4.4 (2 domains)

Domain ID domain_id3coaC00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily10 — Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
Domain ID domain_id3coaF00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily10 — Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain

8. Citations (1)

9. Files and Curves (10)