2f31

Crystal structure of the autoinhibitory switch in Formin mDia1; the DID/DAD complex

Method: X-RAY DIFFRACTION Dmax: 65.7 Å Quality: REASONABLE

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

Diaphanous protein homolog 1

Mus musculus

UniProt O08808

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 135–367 Chain B; UniProt 1177–1196 Not recorded No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6;293 K;0.1 M sodium citrate, 200 mM ammonium sulfate, 25% PEG 4000, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.10 Å R-free 0.312
2 Protein homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 135–367 Chain B; UniProt 1177–1196 Not recorded No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6;293 K;0.1 M sodium citrate, 200 mM ammonium sulfate, 25% PEG 4000, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.10 Å R-free 0.312

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.

12 other PDB entries and 17 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name DIAP1_MOUSE
Isoform
PDB entities 1, 2
Chains and sequence ranges Author chain A; PDBConstruct 1–233; UniProt 135–367 Author chain B; PDBConstruct 1–20; UniProt 1177–1196

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 2f31

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2f31
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2f31
Deposition date deposition_date2005-11-18
Structure title titleCrystal structure of the autoinhibitory switch in Formin mDia1; the DID/DAD complex
Keywords keywordsformin, mDia1, protein-protein complex, armadillo repeats, STRUCTURAL PROTEIN; STRUCTURAL PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier19.77
Radius of gyration Rg (electron density) rg_electron18.53
Forward intensity I(0) i014511300.00
Molecular weight molecular_weight28118.0 kDa
Excluded volume excluded_volume35080 ų
Envelope volume envelope_volume41276 ų
Hydration-shell volume shell_volume18735 ų
Envelope diameter envelope_diameter65.7
Shell Rg shell_rg24.63
Envelope Rg envelope_rg18.85
Shape Rg shape_rg18.57
Total Rg total_rg19.31
Total atoms total_atoms1962
Residues n_residues248
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 dmax65.7
Rg (real space) rg_real19.70
Rg uncertainty (real space) rg_real_error0.34
I(0) (real space) i0_real1.4510e+07
I(0) uncertainty (real space) i0_real_error1.7280e+05
Rg (reciprocal space) rg_reciprocal19.71
I(0) (reciprocal space) i0_reciprocal14510000.0000
Solution quality estimate total_estimate0.6986
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary23.1
Skewness Skewness skewness0.289
Kurtosis Kurtosis kurtosis-0.323
Angular range angular_range— – 0.4000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3545000.0000
Real-space data points n_real_points72
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.825; Stabil: 1.000; Sysdev: 0.210; Positv: 1.000; Valcen: 0.994; Smooth: 0.979

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id2f31A00
Class class1 — Mainly Alpha
Architecture architecture25 — Alpha Horseshoe
Topology topology10 — Leucine-rich Repeat Variant
Homologous superfamily homologous superfamily10 — Leucine-rich Repeat Variant

8. Citations (1)

9. Files and Curves (10)