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8q4g

Thin filament from FIB milled relaxed left ventricular mouse myofibrils

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

Actin, alpha cardiac muscle 1

OrganismNot specified

UniProt P68033

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 9 Tropomyosin alpha-1 chain × 2 （P58771） Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
8q4g 8zbk 8zbn 8zip 8ziu 9e2e 9mo4 9mo5 9mo6 9mo7 9mo8 9mo9

26 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name ACTC_MOUSE
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–372； UniProt 6–377 Author chain B； PDBConstruct 1–372； UniProt 6–377 Author chain C； PDBConstruct 1–372； UniProt 6–377 Author chain D； PDBConstruct 1–372； UniProt 6–377 Author chain E； PDBConstruct 1–372； UniProt 6–377 Author chain F； PDBConstruct 1–372； UniProt 6–377 Author chain I； PDBConstruct 1–372； UniProt 6–377

Tropomyosin alpha-1 chain

OrganismNot specified

UniProt P58771

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 9 Actin, alpha cardiac muscle 1 × 7 （P68033） Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
7nep 8q4g 8zbk 8zbn 9e2e 9mo4 9mo5 9mo6 9mo7 9mo8 9mo9 9moa

25 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name TPM1_MOUSE
Isoform —
PDB entities 2
Chains and sequence ranges Author chain G； PDBConstruct 1–179； UniProt 92–270 Author chain H； PDBConstruct 1–179； UniProt 92–270

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_id8q4g
Deposition date deposition_date2023-08-06
Structure title titleThin filament from FIB milled relaxed left ventricular mouse myofibrils
Keywords keywordsmuscle sarcomere calcium-free cardiac thin-filament, 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.

8q4g__assembly_1__model_1

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

Download this curve (.dat)

8q4g__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.

8q4g__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）62.52 Å
Rg (electron density)64.15 Å
Total Rg63.87 Å
Atom count23265
Residues2962
Excluded volume414400 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 8q4g__assembly_1__model_1 nonameric （9） 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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7. Citations (1)