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3dtp

Tarantula heavy meromyosin obtained by flexible docking to Tarantula muscle thick filament Cryo-EM 3D-MAP

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

Myosin-11,Myosin-7

Homo sapiens

UniProt P10587

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Insufficient information Heteromer Protein 216 Myosin light polypeptide 6 × 72 （P02607） Myosin II regulatory light chain × 72 （B4XT43） Consistent with protein count
2 Insufficient information Heteromer Protein 6 Myosin light polypeptide 6 × 2 （P02607） Myosin II regulatory light chain × 2 （B4XT43） Consistent with protein count
3 Insufficient information Heteromer Protein 6 Myosin light polypeptide 6 × 2 （P02607） Myosin II regulatory light chain × 2 （B4XT43） Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1br2 1br2 1br2 1br2 1br2 1br2 5m05

7 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1br1 1br1 1br1 1br1 1br4 1br4 1br4 1br4 1i84 3dtp 3dtp 3dtp

16 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name MYH11_CHICK
Isoform —
PDB entities 1, 2
Chains and sequence ranges Author chain A； PDBConstruct 2–851； UniProt 3–852 Author chain B； PDBConstruct 2–851； UniProt 3–852

Myosin-11,Myosin-7

Homo sapiens

UniProt P12883

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Insufficient information Heteromer Protein 216 Myosin light polypeptide 6 × 72 （P02607） Myosin II regulatory light chain × 72 （B4XT43） Consistent with protein count
2 Insufficient information Heteromer Protein 6 Myosin light polypeptide 6 × 2 （P02607） Myosin II regulatory light chain × 2 （B4XT43） Consistent with protein count
3 Insufficient information Heteromer Protein 6 Myosin light polypeptide 6 × 2 （P02607） Myosin II regulatory light chain × 2 （B4XT43） Consistent with protein count

Other States of the Same Protein in the Database

Monomer
4db1 4db1 9gz2 9gz3 9htf 9htg 9i8p

7 assemblies

Homodimer
2fxm 2fxo 2fxo 4db1

4 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
3dtp 3dtp 3dtp 4p7h 4p7h 4pa0 4pa0 4xa1 4xa1 4xa3 4xa4 4xa6

45 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name MYH7_HUMAN
Isoform —
PDB entities 1, 2
Chains and sequence ranges Author chain A； PDBConstruct 852–971； UniProt 842–961 Author chain B； PDBConstruct 852–973； UniProt 842–963

Myosin light polypeptide 6

Gallus gallus

UniProt P02607

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Insufficient information Heteromer Protein 216 Myosin-11,Myosin-7 × 36 （P10587,P12883） Myosin-11,Myosin-7 × 36 （P10587,P12883） Myosin II regulatory light chain × 72 （B4XT43） Consistent with protein count
2 Insufficient information Heteromer Protein 6 Myosin-11,Myosin-7 × 1 （P10587,P12883） Myosin-11,Myosin-7 × 1 （P10587,P12883） Myosin II regulatory light chain × 2 （B4XT43） Consistent with protein count
3 Insufficient information Heteromer Protein 6 Myosin-11,Myosin-7 × 1 （P10587,P12883） Myosin-11,Myosin-7 × 1 （P10587,P12883） Myosin II regulatory light chain × 2 （B4XT43） 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
1br1 1br1 1br1 1br1 1br4 1br4 1br4 1br4 3dtp 3dtp 3dtp 3j04

16 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name MYL6_CHICK
Isoform —
PDB entities 3
Chains and sequence ranges Author chain C； PDBConstruct 1–150； UniProt 2–151 Author chain D； PDBConstruct 1–150； UniProt 2–151

Myosin II regulatory light chain

OrganismNot specified

UniProt B4XT43

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Insufficient information Heteromer Protein 216 Myosin-11,Myosin-7 × 36 （P10587,P12883） Myosin-11,Myosin-7 × 36 （P10587,P12883） Myosin light polypeptide 6 × 72 （P02607） Consistent with protein count
2 Insufficient information Heteromer Protein 6 Myosin-11,Myosin-7 × 1 （P10587,P12883） Myosin-11,Myosin-7 × 1 （P10587,P12883） Myosin light polypeptide 6 × 2 （P02607） Consistent with protein count
3 Insufficient information Heteromer Protein 6 Myosin-11,Myosin-7 × 1 （P10587,P12883） Myosin-11,Myosin-7 × 1 （P10587,P12883） Myosin light polypeptide 6 × 2 （P02607） 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
3dtp 3dtp 3dtp

3 assemblies

View Construct and Data Evidence
UniProt name B4XT43_9ARAC
Isoform —
PDB entities 4
Chains and sequence ranges Author chain E； PDBConstruct 1–196； UniProt 1–196 Author chain F； PDBConstruct 1–196； UniProt 1–196

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_id3dtp
Deposition date deposition_date2008-07-15
Structure title titleTarantula heavy meromyosin obtained by flexible docking to Tarantula muscle thick filament Cryo-EM 3D-MAP
Keywords keywords;MUSCLE PROTEIN, SMOOTH MUSCLE, MYOSIN SUBFRAGMENT 2, HEAVY MEROMYOSIN, ESSENTIAL LIGHT CHAIN, REGULATORY LIGHT CHAIN, MOTOR PROTEIN, COILED-COIL, 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.

3dtp__assembly_1__model_1

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

Download this curve (.dat)

3dtp__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 109 1010 1011 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

3dtp__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）0.00 Å
Rg (electron density)399.70 Å
Total Rg399.60 Å
Atom count910548
Residues92376
Excluded volume13196000 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 3dtp__assembly_1__model_1 216-meric （216） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 3dtp__assembly_2__model_1 hexameric （6） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
3 1 3dtp__assembly_3__model_1 hexameric （6） 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 (4)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd3dtpc1
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_idd3dtpd1
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
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7. Citations (4)