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3mfp

Atomic model of F-actin based on a 6.6 angstrom resolution cryoEM map

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

Actin, alpha skeletal muscle

OrganismNot specified

UniProt P68135

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 5 ADENOSINE-5'-DIPHOSPHATE × 5 Consistent with protein count
2 Protein monomer Monomer Protein 1 ADENOSINE-5'-DIPHOSPHATE × 1 Consistent with protein count
3 Protein monomer Monomer Protein 1 ADENOSINE-5'-DIPHOSPHATE × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1ijj 1ijj 1j6z 1nwk 1qz5 1s22 1wua 2asm 2aso 2asp 2fxu 2gwj

40 assemblies; showing the first 12

Homodimer
1lcu 1rdw 1rfq 1yxq 2a5x 2gwk 2hmp 2q1n 2q1n 2q31 2q31 2q36

14 assemblies; showing the first 12

Homotetramer
8dmx 8ru0 9fjo

3 assemblies

Other homooligomers
2y83 3b5u 3g37 3j8i 3j8j 3j8k 3mfp 4a7n 5mva 5mvy 5onv 5ooc

42 assemblies; showing the first 12

Heteromeric or nucleic-acid complex
1eqy 1esv 1kxp 1lot 1m8q 1ma9 1mvw 1o18 1o19 1o1a 1o1b 1o1c

255 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name ACTS_RABIT
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–375； UniProt 3–377

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_id3mfp
Deposition date deposition_date2010-04-03
Structure title titleAtomic model of F-actin based on a 6.6 angstrom resolution cryoEM map
Keywords keywordshelical filament, muscle protein, CONTRACTILE PROTEIN; CONTRACTILE 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.

3mfp__assembly_1__model_1

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

Download this curve (.dat)

3mfp__assembly_1__model_1 | I(q)

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

3mfp__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）47.32 Å
Rg (electron density)47.76 Å
Total Rg47.70 Å
Atom count14805
Residues1870
Excluded volume263070 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 3mfp__assembly_1__model_1 pentameric （5） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 3mfp__assembly_2__model_1 monomeric （1） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
3 1 3mfp__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 (2)

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7. Citations (1)