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1z8y

Mapping the E2 Glycoprotein of Alphaviruses

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

Spike glycoprotein E1

OrganismNot specified

UniProt P03316

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 1200 Spike glycoprotein E2 × 240 （P11259） Consistent with protein count
2 Protein heterocomplex Heteromer Protein 20 Spike glycoprotein E2 × 4 （P11259） Consistent with protein count
3 Protein heterocomplex Heteromer Protein 100 Spike glycoprotein E2 × 20 （P11259） Consistent with protein count
4 Protein heterocomplex Heteromer Protein 120 Spike glycoprotein E2 × 24 （P11259） Consistent with protein count
5 Protein heterocomplex Heteromer Protein 20 Spike glycoprotein E2 × 4 （P11259） Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1kxa 1kxb 1kxc 1kxd 1kxe 1kxf 2snv

7 assemblies

Homodimer
1svp 2snw

2 assemblies

Homotetramer

None

Other homooligomers
3j0f 3j0f 3j0f 3j0f 3j0f 3muw 3muw 3muw 3muw 3muw

10 assemblies

Heteromeric or nucleic-acid complex
1ld4 1ld4 1ld4 1ld4 1ld4 1z8y 1z8y 1z8y 1z8y 1z8y 3muu 3muu

12 assemblies

View Construct and Data Evidence
UniProt name POLS_SINDV
Isoform —
PDB entities 1, 2, 3, 5
Chains and sequence ranges Author chain A； PDBConstruct 1–290； UniProt 807–1096 Author chain C； PDBConstruct 1–290； UniProt 807–1096 Author chain E； PDBConstruct 1–290； UniProt 807–1096 Author chain G； PDBConstruct 1–290； UniProt 807–1096 Author chain B； PDBConstruct 1–89； UniProt 1101–1189 Author chain D； PDBConstruct 1–89； UniProt 1101–1189 Author chain F； PDBConstruct 1–89； UniProt 1101–1189 Author chain H； PDBConstruct 1–89； UniProt 1101–1189 Author chain I； PDBConstruct 1–31； UniProt 1215–1245 Author chain K； PDBConstruct 1–31； UniProt 1215–1245 Author chain M； PDBConstruct 1–31； UniProt 1215–1245 Author chain O； PDBConstruct 1–31； UniProt 1215–1245 Author chain Q； PDBConstruct 1–151； UniProt 114–264 Author chain R； PDBConstruct 1–151； UniProt 114–264 Author chain S； PDBConstruct 1–151； UniProt 114–264 Author chain T； PDBConstruct 1–151； UniProt 114–264

Spike glycoprotein E2

OrganismNot specified

UniProt P11259

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 1200 Spike glycoprotein E1 × 240 （P03316） Spike glycoprotein E1 × 240 （P03316） Spike glycoprotein E1 × 240 （P03316） Capsid protein C × 240 （P03316） Consistent with protein count
2 Protein heterocomplex Heteromer Protein 20 Spike glycoprotein E1 × 4 （P03316） Spike glycoprotein E1 × 4 （P03316） Spike glycoprotein E1 × 4 （P03316） Capsid protein C × 4 （P03316） Consistent with protein count
3 Protein heterocomplex Heteromer Protein 100 Spike glycoprotein E1 × 20 （P03316） Spike glycoprotein E1 × 20 （P03316） Spike glycoprotein E1 × 20 （P03316） Capsid protein C × 20 （P03316） Consistent with protein count
4 Protein heterocomplex Heteromer Protein 120 Spike glycoprotein E1 × 24 （P03316） Spike glycoprotein E1 × 24 （P03316） Spike glycoprotein E1 × 24 （P03316） Capsid protein C × 24 （P03316） Consistent with protein count
5 Protein heterocomplex Heteromer Protein 20 Spike glycoprotein E1 × 4 （P03316） Spike glycoprotein E1 × 4 （P03316） Spike glycoprotein E1 × 4 （P03316） Capsid protein C × 4 （P03316） 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
1z8y 1z8y 1z8y 1z8y 1z8y

5 assemblies

View Construct and Data Evidence
UniProt name POLS_SINDW
Isoform —
PDB entities 4
Chains and sequence ranges Author chain J； PDBConstruct 1–36； UniProt 363–398 Author chain L； PDBConstruct 1–36； UniProt 363–398 Author chain N； PDBConstruct 1–36； UniProt 363–398 Author chain P； PDBConstruct 1–36； UniProt 363–398

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_id1z8y
Deposition date deposition_date2005-03-31
Structure title titleMapping the E2 Glycoprotein of Alphaviruses
Keywords keywordsicosahedral enveloped virus, Icosahedral virus, 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.

1z8y__assembly_1__model_1

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

Download this curve (.dat)

1z8y__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 108 109 1010 1011 1012 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1z8y__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)260.50 Å
Total Rg260.70 Å
Atom count1084200
Residues143220
Excluded volume19356000 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1z8y__assembly_1__model_1 complete icosahedral assembly （1200） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 1z8y__assembly_2__model_1 eicosameric （20） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
3 1 1z8y__assembly_3__model_1 100-meric （100） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
4 1 1z8y__assembly_4__model_1 120-meric （120） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
5 1 1z8y__assembly_5__model_1 eicosameric （20） 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 (5)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd1z8yq1
Class classb — All beta proteins
Fold Fold foldb.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamilyb.47.1 — Trypsin-like serine proteases
Family Family familyb.47.1.3 — Viral proteases
Domain ID domain_idd1z8yr1
Class classb — All beta proteins
Fold Fold foldb.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamilyb.47.1 — Trypsin-like serine proteases
Family Family familyb.47.1.3 — Viral proteases
Domain ID domain_idd1z8ys1
Class classb — All beta proteins
Fold Fold foldb.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamilyb.47.1 — Trypsin-like serine proteases
Family Family familyb.47.1.3 — Viral proteases
Domain ID domain_idd1z8yt1
Class classb — All beta proteins
Fold Fold foldb.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamilyb.47.1 — Trypsin-like serine proteases
Family Family familyb.47.1.3 — Viral proteases
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7. Citations (1)