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3gn4

Myosin lever arm

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

Myosin-VI

Sus scrofa

UniProt Q29122

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 3 Calmodulin × 2 （P62152） CALCIUM ION × 4 MAGNESIUM ION × 4 water × 3 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 3 Calmodulin × 2 （P62152） CALCIUM ION × 4 MAGNESIUM ION × 4 water × 3 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
2v26

1 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
2bkh 2bki 2vas 2vb6 2x51 3gn4 3gn4 3l9i 4anj

9 assemblies

View Construct and Data Evidence
UniProt name MYO6_PIG
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–148； UniProt 771–918 Author chain E； PDBConstruct 1–148； UniProt 771–918

Calmodulin

Drosophila melanogaster

UniProt P62152

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 3 Myosin-VI × 1 （Q29122） CALCIUM ION × 4 MAGNESIUM ION × 4 water × 3 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 3 Myosin-VI × 1 （Q29122） CALCIUM ION × 4 MAGNESIUM ION × 4 water × 3 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
4cln

1 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1mxe 1mxe 2bbm 2bbn 2bkh 2vas 2x51 3gn4 3gn4 3l9i 4anj 4dbp

15 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name CALM_DROME
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B； PDBConstruct 1–149； UniProt 1–149 Author chain D； PDBConstruct 1–149； UniProt 1–149 Author chain F； PDBConstruct 1–149； UniProt 1–149 Author chain H； PDBConstruct 1–149； UniProt 1–149

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_id3gn4
Deposition date deposition_date2009-03-16
Structure title titleMyosin lever arm
Keywords keywords;unconventional myosin, motility, lever arm, 3-helix bundle, Actin-binding, ATP-binding, Calmodulin-binding, Coiled coil, Cytoplasm, Endocytosis, Golgi apparatus, Hearing, Membrane, Motor protein, Myosin, Nucleotide-binding, Nucleus, Phosphoprotein, Protein transport, Transport, Acetylation, Calcium, MOTOR PROTEIN-METAL BINDING PROTEIN COMPLEX ;; MOTOR 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.

3gn4__assembly_1__model_1

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

Download this curve (.dat)

3gn4__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.

3gn4__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）30.33 Å
Rg (electron density)30.56 Å
Total Rg30.59 Å
Atom count3177
Residues419
Excluded volume56093 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 3gn4__assembly_1__model_1 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 3gn4__assembly_2__model_1 trimeric （3） 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 (5)

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd3gn4b_
Class classa — All alpha proteins
Fold Fold folda.39 — EF Hand-like
Superfamily Superfamily superfamilya.39.1 — EF-hand
Family Family familya.39.1.5 — Calmodulin-like
Domain ID domain_idd3gn4d_
Class classa — All alpha proteins
Fold Fold folda.39 — EF Hand-like
Superfamily Superfamily superfamilya.39.1 — EF-hand
Family Family familya.39.1.5 — Calmodulin-like
Domain ID domain_idd3gn4f_
Class classa — All alpha proteins
Fold Fold folda.39 — EF Hand-like
Superfamily Superfamily superfamilya.39.1 — EF-hand
Family Family familya.39.1.5 — Calmodulin-like
Domain ID domain_idd3gn4h_
Class classa — All alpha proteins
Fold Fold folda.39 — EF Hand-like
Superfamily Superfamily superfamilya.39.1 — EF-hand
Family Family familya.39.1.5 — Calmodulin-like

CATH v4.4 (2 domains)

Domain ID domain_id3gn4A00
Class class6 — Special
Architecture architecture10 — Helix non-globular
Topology topology220 — Helical scaffold and wing domains of SecA
Homologous superfamily homologous superfamily10 —
Domain ID domain_id3gn4E00
Class class6 — Special
Architecture architecture10 — Helix non-globular
Topology topology220 — Helical scaffold and wing domains of SecA
Homologous superfamily homologous superfamily10 —
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7. Citations (1)