5odg

Crystal structure of Smad3-MH1 bound to the GGCT site.

Method: X-RAY DIFFRACTION Dmax: 86.7 Å Quality: GOOD

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

Mothers against decapentaplegic homolog 3

Homo sapiens

UniProt P84022

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 Homooligomer Protein × 2 DNA 2 PDB declaration: tetrameric(4) Consistent with all polymer counts Chain A; UniProt 11–135 Chain B; UniProt 11–135 Fragment:MH1 domain, UNP residues 11-135 ;DNA (5'-D(P*CP*AP*GP*GP*CP*TP*AP*GP*CP*CP*TP*GP*CP*A)-3') ; × 2 ZN ZINC ION × 2 CL CHLORIDE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;277 K;0.02 M sodium potassium phosphate, 0.1 M BisTris propane pH 6.5, 20% PEG 3350 Resolution 2.12 Å R-free 0.242
2 Protein–DNA Homooligomer Protein × 2 DNA 2 PDB declaration: tetrameric(4) Consistent with all polymer counts Chain A; UniProt 11–135 Chain B; UniProt 11–135 Fragment:MH1 domain, UNP residues 11-135 ;DNA (5'-D(P*CP*AP*GP*GP*CP*TP*AP*GP*CP*CP*TP*GP*CP*A)-3') ; × 2 ZN ZINC ION × 2 CL CHLORIDE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;277 K;0.02 M sodium potassium phosphate, 0.1 M BisTris propane pH 6.5, 20% PEG 3350 Resolution 2.12 Å R-free 0.242

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.

10 other PDB entries and 11 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name SMAD3_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 4–128; UniProt 11–135 Author chain B; PDBConstruct 4–128; UniProt 11–135

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 5odg

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5odg
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5odg
Deposition date deposition_date2017-07-05
Structure title titleCrystal structure of Smad3-MH1 bound to the GGCT site.
Keywords keywordsSmads, transcription factor, DNA complex, transcription; TRANSCRIPTION
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier24.95
Radius of gyration Rg (electron density) rg_electron24.10
Forward intensity I(0) i031073800.00
Molecular weight molecular_weight37094.0 kDa
Excluded volume excluded_volume43964 ų
Envelope volume envelope_volume58646 ų
Hydration-shell volume shell_volume21412 ų
Envelope diameter envelope_diameter89.9
Shell Rg shell_rg29.90
Envelope Rg envelope_rg23.95
Shape Rg shape_rg23.99
Total Rg total_rg25.01
Total atoms total_atoms2562
Residues n_residues277
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 dmax86.7
Rg (real space) rg_real25.09
Rg uncertainty (real space) rg_real_error0.88
I(0) (real space) i0_real3.1070e+07
I(0) uncertainty (real space) i0_real_error5.1040e+05
Rg (reciprocal space) rg_reciprocal25.06
I(0) (reciprocal space) i0_reciprocal31070000.0000
Solution quality estimate total_estimate0.7863
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary26.2
Skewness Skewness skewness0.445
Kurtosis Kurtosis kurtosis-0.325
Angular range angular_range— – 0.3200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2595000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.810; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.789; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id5odgA00
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology520 — Smad3; Chain A
Homologous superfamily homologous superfamily10 — SMAD MH1 domain
Domain ID domain_id5odgB00
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology520 — Smad3; Chain A
Homologous superfamily homologous superfamily10 — SMAD MH1 domain

8. Citations (1)

9. Files and Curves (10)