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9fx0

Cryo-EM structure of the type 1 pilus tip-to-rod transition

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

Type-1 fimbrial protein, A chain

Escherichia coli

UniProt P04128

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 7 Protein FimF × 1 （P08189） Consistent with protein count

Other States of the Same Protein in the Database

Monomer
2jty 2m5g 5nkt 6r74

4 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers
5oh0 6c53 6y7s 8psv 8ptu 9ftt 9fxa 9vkv 9x67

9 assemblies

Heteromeric or nucleic-acid complex
3sqb 3sqb 3sqb 3sqb 4dwh 4dwh 6swh 6swh 9fw9 9fwb 9fwz 9fx0

13 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name FIMA1_ECOLI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 2–160； UniProt 24–182 Author chain B； PDBConstruct 2–160； UniProt 24–182 Author chain C； PDBConstruct 2–160； UniProt 24–182 Author chain D； PDBConstruct 2–160； UniProt 24–182 Author chain E； PDBConstruct 2–160； UniProt 24–182 Author chain G； PDBConstruct 2–160； UniProt 24–182

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 7 Type-1 fimbrial protein, A chain × 6 （P04128） 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

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_id9fx0
Deposition date deposition_date2024-07-01
Structure title titleCryo-EM structure of the type 1 pilus tip-to-rod transition
Keywords keywordsrod, tip, usher, pilus, CELL ADHESION; CELL ADHESION
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.

9fx0__assembly_1__model_1

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

Download this curve (.dat)

9fx0__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.

9fx0__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）32.16 Å
Rg (electron density)31.19 Å
Total Rg31.90 Å
Atom count7673
Residues1088
Excluded volume134250 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 9fx0__assembly_1__model_1 heptameric （7） 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 (2)

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7. Citations (1)