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9bog

Structural basis for adhesin secretion by the outer-membrane usher in type 1 pili

Method: ELECTRON MICROSCOPY
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Outer membrane usher protein FimD

Escherichia coli

UniProt P30130

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 4 Protein FimF × 1 （P08189） Type 1 fimbria chaperone FimC × 1 （Q643I0） Type 1 fimbrin D-mannose specific adhesin × 1 （P08191） Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1zdv 1zdx

2 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1ze3 3bwu 4j3o 7b0x 9bog 9fw9 9fwb 9fwz 9fx8 9fxb 9fxs 9fy9

12 assemblies

View Construct and Data Evidence
UniProt name FIMD_ECOLI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain D； PDBConstruct 1–833； UniProt 46–878

Protein FimF

Escherichia coli

UniProt P08189

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 4 Outer membrane usher protein FimD × 1 （P30130） Type 1 fimbria chaperone FimC × 1 （Q643I0） Type 1 fimbrin D-mannose specific adhesin × 1 （P08191） Consistent with protein count

Other States of the Same Protein in the Database

Monomer
2jmr

1 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
3bfq 3bfw 3bfw 3bwu 3jwn 3jwn 4j3o 5iqm 5iqm 5iqn 5iqn 5iqo

18 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name FIMF_ECOLI
Isoform —
PDB entities 2
Chains and sequence ranges Author chain F； PDBConstruct 1–154； UniProt 23–176

Type 1 fimbria chaperone FimC

Escherichia coli

UniProt Q643I0

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 4 Outer membrane usher protein FimD × 1 （P30130） Protein FimF × 1 （P08189） Type 1 fimbrin D-mannose specific adhesin × 1 （P08191） Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
9bog

1 assemblies

View Construct and Data Evidence
UniProt name Q643I0_ECOLX
Isoform —
PDB entities 3
Chains and sequence ranges Author chain C； PDBConstruct 1–205； UniProt 37–241

Type 1 fimbrin D-mannose specific adhesin

Escherichia coli

UniProt P08191

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 4 Outer membrane usher protein FimD × 1 （P30130） Protein FimF × 1 （P08189） Type 1 fimbria chaperone FimC × 1 （Q643I0） Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1tr7 1tr7 1uwf 3zl1 3zl1 3zl2 4css 4cst 4lov 4x50 4x50 4x5p

66 assemblies; showing the first 12

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1kiu 1kiu 1kiu 1kiu 1kiu 1kiu 1kiu 1kiu 1kiu 1kiu 1kiu 1klf

73 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name FIMH_ECOLI
Isoform —
PDB entities 4
Chains and sequence ranges Author chain H； PDBConstruct 1–279； UniProt 22–300

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.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id9bog
Deposition date deposition_date2024-05-03
Structure title titleStructural basis for adhesin secretion by the outer-membrane usher in type 1 pili
Keywords keywordsOuter membrane usher, FimD, FimH, adhesin, type 1 pilus, TRANSPORT PROTEIN; TRANSPORT PROTEIN
Experimental Method methodELECTRON MICROSCOPY
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

9bog__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

9bog__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

9bog__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg（Guinier）39.93 Å
Rg (electron density)39.33 Å
Total Rg39.32 Å
Atom count9370
Residues1438
Excluded volume161510 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 9bog__assembly_1__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (4)

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7. Citations (1)