2ver

Structural model for the complex between the Dr adhesins and carcinoembryonic antigen (CEA)

Method: SOLUTION NMR

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

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 ARCINOEMBRYONIC ANTIGEN-RELATED CELL ADHESION MOLECULE 5 × 1 (P06731) S-[(1-oxyl-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-3-yl)methyl] methanesulfonothioate × 3 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name FMA3_ECOLX
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–123; UniProt 38–160

ARCINOEMBRYONIC ANTIGEN-RELATED CELL ADHESION MOLECULE 5

HOMO SAPIENS

UniProt P06731

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) S-[(1-oxyl-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-3-yl)methyl] methanesulfonothioate × 3 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name CEAM5_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain N; PDBConstruct 1–110; UniProt 35–144

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_id2ver
Deposition date deposition_date2007-10-26
Structure title titleStructural model for the complex between the Dr adhesins and carcinoembryonic antigen (CEA)
Keywords keywordsMEMBRANE, FIMBRIUM, GPI-ANCHOR, LIPOPROTEIN, IMMUNOGLOBULIN DOMAIN, CELL ADHESION, CELL PROJECTION; 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.

2ver__assembly_1__model_1

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

Download this curve (.dat)

2ver__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.

2ver__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)20.72 Å
Rg (electron density)20.04 Å
Total Rg20.84 Å
Atom count3942
Residues253
Excluded volume35382 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2ver__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 (3)

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd2vera1
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_idd2vera2
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_id2verA00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily1570 — Dr adhesin
Domain ID domain_id2verN00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

7. Citations (1)