9q1v

Crystal Structure of de novo design FimH minibinder F7 complex

Method: X-RAY DIFFRACTION Dmax: 91.2 Å Quality: GOOD

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

Type 1 fimbrin D-mannose specific adhesin

Escherichia coli

UniProt P08191

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 22–181 Mutation:L34K FimH minibinder F7 × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7;293 K;0.2 M sodium malonate, pH 7.0, 20% w/v PEG3350 Resolution 1.75 Å R-free 0.263
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 22–181 Mutation:L34K FimH minibinder F7 × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7;293 K;0.2 M sodium malonate, pH 7.0, 20% w/v PEG3350 Resolution 1.75 Å R-free 0.263

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.

57 other PDB entries and 137 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FIMH_ECOLI
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–160; UniProt 22–181 Author chain D; PDBConstruct 1–160; UniProt 22–181

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 9q1v

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9q1v
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9q1v
Deposition date deposition_date2025-08-14
最后修订 last_revision2025-09-17
Structure title titleCrystal Structure of de novo design FimH minibinder F7 complex
Keywords keywordsde novo design, multidrug-resistant, bacterial infections, Bacterial Adhesins, Miniprotein Inhibitors, DE NOVO PROTEIN; DE NOVO PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier26.23
Radius of gyration Rg (electron density) rg_electron25.47
Forward intensity I(0) i039857800.00
Molecular weight molecular_weight48794.0 kDa
Excluded volume excluded_volume60997 ų
Envelope volume envelope_volume75239 ų
Hydration-shell volume shell_volume25375 ų
Envelope diameter envelope_diameter94.6
Shell Rg shell_rg31.64
Envelope Rg envelope_rg25.48
Shape Rg shape_rg25.45
Total Rg total_rg26.22
Total atoms total_atoms3448
Residues n_residues465
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 dmax91.2
Rg (real space) rg_real26.27
Rg uncertainty (real space) rg_real_error0.88
I(0) (real space) i0_real3.9860e+07
I(0) uncertainty (real space) i0_real_error5.2270e+05
Rg (reciprocal space) rg_reciprocal26.26
I(0) (reciprocal space) i0_reciprocal39860000.0000
Solution quality estimate total_estimate0.8684
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary33.4
Skewness Skewness skewness0.403
Kurtosis Kurtosis kurtosis-0.131
Angular range angular_range— – 0.3000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha9497000.0000
Real-space data points n_real_points61
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.796; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.922; Smooth: 0.978

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)