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2n70

Two-fold symmetric structure of the 18-60 construct of S31N M2 from Influenza A in lipid bilayers

Method: SOLID-STATE NMR
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Matrix protein 2

Influenza A virus

UniProt P63231

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 4 No other associated polymer Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer
2kih 2kwx 2l0j 2n70 2rlf

5 assemblies

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name M2_I72A2
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–43； UniProt 18–60 Author chain B； PDBConstruct 1–43； UniProt 18–60 Author chain C； PDBConstruct 1–43； UniProt 18–60 Author chain D； PDBConstruct 1–43； UniProt 18–60

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_id2n70
Deposition date deposition_date2015-09-01
Structure title titleTwo-fold symmetric structure of the 18-60 construct of S31N M2 from Influenza A in lipid bilayers
Keywords keywordsM2, S31N, Influenza, VIRAL PROTEIN; VIRAL PROTEIN
Experimental Method methodSOLID-STATE NMR
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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.

2n70__assembly_1__model_2

Assembly 1 · Model 2 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2n70__assembly_1__model_2 | I(q)

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

2n70__assembly_1__model_2 | 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）24.22 Å
Rg (electron density)22.65 Å
Total Rg23.75 Å
Atom count2912
Residues172
Excluded volume26065 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2n70__assembly_1__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 2n70__assembly_1__model_2 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 2n70__assembly_1__model_3 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 2n70__assembly_1__model_4 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 2n70__assembly_1__model_5 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 2n70__assembly_1__model_6 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 2n70__assembly_1__model_7 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 2n70__assembly_1__model_8 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 2n70__assembly_1__model_9 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 2n70__assembly_1__model_10 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 2n70__assembly_1__model_11 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 2n70__assembly_1__model_12 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 2n70__assembly_1__model_13 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 2n70__assembly_1__model_14 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 2n70__assembly_1__model_15 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 16 2n70__assembly_1__model_16 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 17 2n70__assembly_1__model_17 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 18 2n70__assembly_1__model_18 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 19 2n70__assembly_1__model_19 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 20 2n70__assembly_1__model_20 tetrameric （4） 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 (1)

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6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id2n70A00
Class class6 — Special
Architecture architecture10 — Helix non-globular
Topology topology250 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily1640 —
Domain ID domain_id2n70B00
Class class6 — Special
Architecture architecture10 — Helix non-globular
Topology topology250 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily1640 —
Domain ID domain_id2n70C00
Class class6 — Special
Architecture architecture10 — Helix non-globular
Topology topology250 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily1640 —
Domain ID domain_id2n70D00
Class class6 — Special
Architecture architecture10 — Helix non-globular
Topology topology250 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily1640 —
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7. Citations (1)