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2l0j

Solid State NMR structure of the M2 proton channel from Influenza A Virus in hydrated lipid bilayer

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 4–44； UniProt 22–62 Author chain B； PDBConstruct 4–44； UniProt 22–62 Author chain C； PDBConstruct 4–44； UniProt 22–62 Author chain D； PDBConstruct 4–44； UniProt 22–62

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_id2l0j
Deposition date deposition_date2010-07-08
Structure title titleSolid State NMR structure of the M2 proton channel from Influenza A Virus in hydrated lipid bilayer
Keywords keywordsM2 Proton Channel, Lipid Bilayer, Solid State NMR, Influenza, Conductance Domain, Membrane domain, viral protein, TRANSPORT PROTEIN; TRANSPORT 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.

2l0j__assembly_1__model_1

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

Download this curve (.dat)

2l0j__assembly_1__model_1 | I(q)

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

2l0j__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）19.37 Å
Rg (electron density)17.89 Å
Total Rg19.22 Å
Atom count2766
Residues164
Excluded volume24821 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2l0j__assembly_1__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 2l0j__assembly_1__model_2 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 2l0j__assembly_1__model_3 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 2l0j__assembly_1__model_4 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 2l0j__assembly_1__model_5 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 2l0j__assembly_1__model_6 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 2l0j__assembly_1__model_7 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 2l0j__assembly_1__model_8 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_id2l0jA00
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_id2l0jB00
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_id2l0jC00
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_id2l0jD00
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)