4xo9

Crystal structure of a FimH*DsG complex from E.coli K12 in space group C2

Method: X-RAY DIFFRACTION Dmax: 90.3 Å Quality: GOOD

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

Protein FimH

Escherichia coli K-12

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 A; UniProt 22–300 Fragment:UNP residues 22-300 Minor component of type 1 fimbriae × 1 (C4ZT07) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5.5;278 K;25 % (w/v) polyethylene glycol (PEG) 3350, 0.2 M magnesium chloride, 0.1 M BisTris-HCl pH 5.5 Resolution 1.14 Å R-free 0.143

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 138 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FIMH_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–279; UniProt 22–300

Minor component of type 1 fimbriae

Escherichia coli K-12

UniProt C4ZT07

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 24–37 Fragment:UNP residues 24-37 Protein FimH × 1 (P08191) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5.5;278 K;25 % (w/v) polyethylene glycol (PEG) 3350, 0.2 M magnesium chloride, 0.1 M BisTris-HCl pH 5.5 Resolution 1.14 Å R-free 0.143

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.

1 other PDB entries and 4 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name C4ZT07_ECOBW
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–14; UniProt 24–37

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 4xo9

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4xo9
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4xo9
Deposition date deposition_date2015-01-16
Structure title titleCrystal structure of a FimH*DsG complex from E.coli K12 in space group C2
Keywords keywordstype I pilus, catch-bond, cell adhesion, lectin, UPEC, bacterial adhesin, UTI, mannose, isomerase; CELL ADHESION
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier25.88
Radius of gyration Rg (electron density) rg_electron25.27
Forward intensity I(0) i015755300.00
Molecular weight molecular_weight30337.0 kDa
Excluded volume excluded_volume38022 ų
Envelope volume envelope_volume45927 ų
Hydration-shell volume shell_volume17018 ų
Envelope diameter envelope_diameter93.6
Shell Rg shell_rg29.36
Envelope Rg envelope_rg25.46
Shape Rg shape_rg25.30
Total Rg total_rg25.72
Total atoms total_atoms4247
Residues n_residues292
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 dmax90.3
Rg (real space) rg_real26.22
Rg uncertainty (real space) rg_real_error1.11
I(0) (real space) i0_real1.5760e+07
I(0) uncertainty (real space) i0_real_error2.4560e+05
Rg (reciprocal space) rg_reciprocal26.11
I(0) (reciprocal space) i0_reciprocal15750000.0000
Solution quality estimate total_estimate0.7719
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary20.7
Skewness Skewness skewness0.549
Kurtosis Kurtosis kurtosis-0.435
Angular range angular_range— – 0.3050 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2772000.0000
Real-space data points n_real_points62
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.586; Stabil: 0.998; Sysdev: 1.000; Positv: 1.000; Valcen: 0.391; Smooth: 0.886

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd4xo9a1
Class classb — All beta proteins
Fold Fold foldb.2 — Common fold of diphtheria toxin/transcription factors/cytochrome f
Superfamily Superfamily superfamilyb.2.3 — Bacterial adhesins
Family Family familyb.2.3.2 — Pilus subunits
Domain ID domain_idd4xo9a2
Class classb — All beta proteins
Fold Fold foldb.2 — Common fold of diphtheria toxin/transcription factors/cytochrome f
Superfamily Superfamily superfamilyb.2.3 — Bacterial adhesins
Family Family familyb.2.3.2 — Pilus subunits

CATH v4.4 (2 domains)

Domain ID domain_id4xo9A01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily1090 — Fimbrial-type adhesion domain
Domain ID domain_id4xo9A02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily1090 — Fimbrial-type adhesion domain

8. Citations (1)

9. Files and Curves (10)