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1aa7

INFLUENZA VIRUS MATRIX PROTEIN CRYSTAL STRUCTURE AT PH 4.0

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

INFLUENZA VIRUS MATRIX PROTEIN

OrganismNot specified

UniProt P03485

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1ea3 1ea3

2 assemblies

Homodimer
1aa7 5cqe

2 assemblies

Homotetramer

None

Other homooligomers
6z5l

1 assemblies

Heteromeric or nucleic-acid complex
1hhi 1hhi 3vdx 4d9j 4d9j 4iq4 4itv 4ivj 4qes 4qf0 4qff 5euo

13 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name VMT1_IAPUE
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–158； UniProt 1–158 Author chain B； PDBConstruct 1–158； UniProt 1–158

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_id1aa7
Deposition date deposition_date1997-01-24
Structure title titleINFLUENZA VIRUS MATRIX PROTEIN CRYSTAL STRUCTURE AT PH 4.0
Keywords keywordsVIRAL ASSEMBLY, VIRION BUDDING, TRANSCRIPTION REPRESSOR, MATRIX PROTEIN; MATRIX PROTEIN
Experimental Method methodX-RAY DIFFRACTION
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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.

1aa7__assembly_1__model_1

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

Download this curve (.dat)

1aa7__assembly_1__model_1 | I(q)

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

1aa7__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）21.19 Å
Rg (electron density)20.54 Å
Total Rg21.29 Å
Atom count2980
Residues315
Excluded volume43778 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1aa7__assembly_1__model_1 dimeric （2） 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) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1aa7a_
Class classa — All alpha proteins
Fold Fold folda.95 — Influenza virus matrix protein M1
Superfamily Superfamily superfamilya.95.1 — Influenza virus matrix protein M1
Family Family familya.95.1.1 — Influenza virus matrix protein M1
Domain ID domain_idd1aa7b_
Class classa — All alpha proteins
Fold Fold folda.95 — Influenza virus matrix protein M1
Superfamily Superfamily superfamilya.95.1 — Influenza virus matrix protein M1
Family Family familya.95.1.1 — Influenza virus matrix protein M1

CATH v4.4 (4 domains)

Domain ID domain_id1aa7A01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology91 — Influenza Virus Matrix Protein; Chain A, domain 1
Homologous superfamily homologous superfamily10 — Influenza matrix M1, N-terminal subdomain 1
Domain ID domain_id1aa7A02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily180 — Influenza matrix protein M1, N-terminal subdomain 2
Domain ID domain_id1aa7B01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology91 — Influenza Virus Matrix Protein; Chain A, domain 1
Homologous superfamily homologous superfamily10 — Influenza matrix M1, N-terminal subdomain 1
Domain ID domain_id1aa7B02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily180 — Influenza matrix protein M1, N-terminal subdomain 2
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7. Citations (1)