2ixq

The solution structure of the invasive tip complex from Afa-Dr fibrils

Method: SOLUTION NMR

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

Protein AfaD

Escherichia coli

UniProt Q47038

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 Afimbrial adhesin AFA-III × 1 (Q57254) Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name AFAD_ECOLX
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–122; UniProt 26–147

Afimbrial adhesin AFA-III

Escherichia coli

UniProt Q57254

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 Protein AfaD × 1 (Q47038) Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name AFAE3_ECOLX
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–123; UniProt 38–160

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.

2. Structure Basics 2. Structure Basics

Entry ID entry_id2ixq
Deposition date deposition_date2006-07-10
Structure title titleThe solution structure of the invasive tip complex from Afa-Dr fibrils
Keywords keywordsIG-LIKE DOMAIN, AFIMBRIAL SHEATH, STRUCTURAL PROTEIN, DONOR STRAND COMPLEMENTED, CELL ADHESION, DAF, AFAE, UPEC, DAEC, FIMBRIA; CELL ADHESION
Experimental Method methodSOLUTION NMR

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.

2ixq__assembly_1__model_1

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

Download this curve (.dat)

2ixq__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

2ixq__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)28.32 Å
Rg (electron density)28.64 Å
Total Rg28.92 Å
Atom count4179
Residues285
Excluded volume37691 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2ixq__assembly_1__model_1 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download

4. Crystallography and Experiment 4. Crystallography & Experiment

5. Entities and Polymers Entities & Polymers (2)

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd2ixqa1
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_idd2ixqa2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd2ixqb1
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.2.3.6 — Dr-family adhesin
Domain ID domain_idd2ixqb2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (2 domains)

Domain ID domain_id2ixqA00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily1570 — Dr adhesin
Domain ID domain_id2ixqB00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily1570 — Dr adhesin

7. Citations (1)