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6ilj

Cryo-EM structure of Echovirus 6 complexed with its attachment receptor CD55 at PH 5.5

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

Complement decay-accelerating factor

Homo sapiens

UniProt P08174

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 300 Capsid protein VP1 × 60 Capsid protein VP2 × 60 Capsid protein VP3 × 60 Capsid protein VP4 × 60 SPHINGOSINE × 60 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 5 Capsid protein VP1 × 1 Capsid protein VP2 × 1 Capsid protein VP3 × 1 Capsid protein VP4 × 1 SPHINGOSINE × 1 Consistent with protein count
3 Protein heterocomplex Heteromer Protein 25 Capsid protein VP1 × 5 Capsid protein VP2 × 5 Capsid protein VP3 × 5 Capsid protein VP4 × 5 SPHINGOSINE × 5 Consistent with protein count
4 Protein heterocomplex Heteromer Protein 30 Capsid protein VP1 × 6 Capsid protein VP2 × 6 Capsid protein VP3 × 6 Capsid protein VP4 × 6 SPHINGOSINE × 6 Consistent with protein count
5 Protein heterocomplex Heteromer Protein 5 Capsid protein VP1 × 1 Capsid protein VP2 × 1 Capsid protein VP3 × 1 Capsid protein VP4 × 1 SPHINGOSINE × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1h03 1h03 1h04 1h2p 1h2q 1nwv 1uot 2qzd 2qzf 2qzh 3j24 3j24

12 assemblies

Homodimer
1ojv 1ojw 1ojy 1ojy 1ok1 1ok2 1ok3 1ok9

8 assemblies

Homotetramer

None

Other homooligomers
3j24 3j24 3j24

3 assemblies

Heteromeric or nucleic-acid complex
1m11 1m11 1m11 1m11 1m11 1upn 1upn 1upn 1upn 1upn 2c8i 2c8i

57 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name DAF_HUMAN
Isoform —
PDB entities 5
Chains and sequence ranges Author chain E； PDBConstruct 1–192； UniProt 94–285

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_id6ilj
Deposition date deposition_date2018-10-18
Structure title titleCryo-EM structure of Echovirus 6 complexed with its attachment receptor CD55 at PH 5.5
Keywords keywordsEchovirus 6, CD55, Cryo-EM, virus-receptor complex, VIRUS; VIRUS
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.

6ilj__assembly_1__model_1

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

Download this curve (.dat)

6ilj__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 109 1010 1011 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

6ilj__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）0.00 Å
Rg (electron density)139.60 Å
Total Rg139.60 Å
Atom count481500
Residues61140
Excluded volume8505800 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 6ilj__assembly_1__model_1 300-meric （300） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 6ilj__assembly_2__model_1 pentameric （5） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
3 1 6ilj__assembly_3__model_1 25-meric （25） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
4 1 6ilj__assembly_4__model_1 30-meric （30） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
5 1 6ilj__assembly_5__model_1 pentameric （5） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (6)

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6. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

Domain ID domain_id6iljA00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily20 —
Domain ID domain_id6iljB00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily20 —
Domain ID domain_id6iljC00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily20 —
Domain ID domain_id6iljE01
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology70 — Complement Module; domain 1
Homologous superfamily homologous superfamily10 — Complement Module, domain 1
Domain ID domain_id6iljE02
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology70 — Complement Module; domain 1
Homologous superfamily homologous superfamily10 — Complement Module, domain 1
Domain ID domain_id6iljE03
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology70 — Complement Module; domain 1
Homologous superfamily homologous superfamily10 — Complement Module, domain 1
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7. Citations (1)