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2rlf

Proton Channel M2 from Influenza A in complex with inhibitor rimantadine

Method: SOLUTION NMR
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Matrix protein 2

Influenza A virus (A/Udorn/307/1972(H3N2))

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 RIMANTADINE × 4 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_IAUDO
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_id2rlf
Deposition date deposition_date2007-07-11
Structure title titleProton Channel M2 from Influenza A in complex with inhibitor rimantadine
Keywords keywordsm2, proton channel, rimantadine, PROTON TRANSPORT; PROTON TRANSPORT
Experimental Method methodSOLUTION 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.

2rlf__assembly_1__model_3

Assembly 1 · Model 3 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2rlf__assembly_1__model_3 | I(q)

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

2rlf__assembly_1__model_3 | 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）19.95 Å
Rg (electron density)18.96 Å
Total Rg20.27 Å
Atom count2740
Residues152
Excluded volume24748 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2rlf__assembly_1__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 2rlf__assembly_1__model_2 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 2rlf__assembly_1__model_3 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 2rlf__assembly_1__model_4 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 2rlf__assembly_1__model_5 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 2rlf__assembly_1__model_6 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 2rlf__assembly_1__model_7 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 2rlf__assembly_1__model_8 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 2rlf__assembly_1__model_9 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 2rlf__assembly_1__model_10 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 2rlf__assembly_1__model_11 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 2rlf__assembly_1__model_12 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 2rlf__assembly_1__model_13 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 2rlf__assembly_1__model_14 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 2rlf__assembly_1__model_15 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 (2)

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6. Fold Classification (SCOP + CATH) 1 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2rlfa1
Class classj — Peptides
Fold Fold foldj.35 — Transmembrane helical fragments
Superfamily Superfamily superfamilyj.35.1 — Transmembrane helical fragments
Family Family familyj.35.1.1 — Transmembrane helical fragments
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7. Citations (1)