5cgb

Crystal structure of FimH in complex with heptyl alpha-D-septanoside

Method: X-RAY DIFFRACTION Dmax: 73.4 Å Quality: EXCELLENT

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 22–179 Not recorded 51C (6R)-1,6-anhydro-2-O-heptyl-6-(hydroxymethyl)-D-galactitol × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5.5;277 K;1.5 M NH4SO4, 0.1 M BisTris pH 5.5 Resolution 1.60 Å R-free 0.179
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 22–179 Not recorded 51C (6R)-1,6-anhydro-2-O-heptyl-6-(hydroxymethyl)-D-galactitol × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5.5;277 K;1.5 M NH4SO4, 0.1 M BisTris pH 5.5 Resolution 1.60 Å R-free 0.179

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 1
Chains and sequence ranges Author chain A; PDBConstruct 1–158; UniProt 22–179 Author chain B; PDBConstruct 1–158; UniProt 22–179

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 5cgb

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id5cgb
Deposition date deposition_date2015-07-09
Structure title titleCrystal structure of FimH in complex with heptyl alpha-D-septanoside
Keywords keywordsUTI, lectin, urinary tract infection, type 1 fimbriae, pilus, inhibitor, sugar binding protein; SUGAR BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.97
Radius of gyration Rg (electron density) rg_electron22.13
Forward intensity I(0) i019822800.00
Molecular weight molecular_weight34591.0 kDa
Excluded volume excluded_volume43452 ų
Envelope volume envelope_volume52062 ų
Hydration-shell volume shell_volume19947 ų
Envelope diameter envelope_diameter75.3
Shell Rg shell_rg28.39
Envelope Rg envelope_rg21.95
Shape Rg shape_rg22.11
Total Rg total_rg22.97
Total atoms total_atoms4826
Residues n_residues316
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 dmax73.4
Rg (real space) rg_real22.90
Rg uncertainty (real space) rg_real_error0.48
I(0) (real space) i0_real1.9820e+07
I(0) uncertainty (real space) i0_real_error2.8100e+05
Rg (reciprocal space) rg_reciprocal22.92
I(0) (reciprocal space) i0_reciprocal19820000.0000
Solution quality estimate total_estimate0.9061
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary30.5
Skewness Skewness skewness0.155
Kurtosis Kurtosis kurtosis-0.627
Angular range angular_range— – 0.3450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4014000.0000
Real-space data points n_real_points66
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.932; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.988; Smooth: 0.992

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd5cgba_
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_idd5cgbb_
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_id5cgbA00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily1090 — Fimbrial-type adhesion domain
Domain ID domain_id5cgbB00
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)