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2qu4

Model for Bacterial ParM Filament

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

Plasmid segregation protein parM

OrganismNot specified

UniProt P11904

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 10 No other associated polymer Consistent with protein count
2 Protein monomer Monomer Protein 1 No other associated polymer Consistent with protein count
3 Protein monomer Monomer Protein 1 No other associated polymer Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1mwk 1mwk 1mwm 1mwm 2qu4 2qu4 2zgy 2zgy 2zgz 2zgz 2zhc

11 assemblies

Homodimer
2zgy 2zgz 4a61

3 assemblies

Homotetramer

None

Other homooligomers
2qu4 3iku 3iky 4a6j 5aey 5ai7

6 assemblies

Heteromeric or nucleic-acid complex
4a62 4a62

2 assemblies

View Construct and Data Evidence
UniProt name PARM_ECOLI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–320； UniProt 1–320

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_id2qu4
Deposition date deposition_date2007-08-03
Structure title titleModel for Bacterial ParM Filament
Keywords keywordsfilament model, actin-like protein, helical polymer, Plasmid, Plasmid partition, Structural protein; STRUCTURAL PROTEIN
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.

2qu4__assembly_1__model_1

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

Download this curve (.dat)

2qu4__assembly_1__model_1 | I(q)

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

2qu4__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）74.85 Å
Rg (electron density)76.54 Å
Total Rg76.08 Å
Atom count25170
Residues3200
Excluded volume448020 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2qu4__assembly_1__model_1 decameric （10） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 2qu4__assembly_2__model_1 monomeric （1） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
3 1 2qu4__assembly_3__model_1 monomeric （1） 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 (1)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd2qu4a1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.55 — Ribonuclease H-like motif
Superfamily Superfamily superfamilyc.55.1 — Actin-like ATPase domain
Family Family familyc.55.1.1 — Actin/HSP70
Domain ID domain_idd2qu4a2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.55 — Ribonuclease H-like motif
Superfamily Superfamily superfamilyc.55.1 — Actin-like ATPase domain
Family Family familyc.55.1.1 — Actin/HSP70
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7. Citations (1)