2aka

Structure of the nucleotide-free myosin II motor domain from Dictyostelium discoideum fused to the GTPase domain of dynamin 1 from Rattus norvegicus

Method: X-RAY DIFFRACTION Dmax: 148.3 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

myosin II heavy chain

Dictyostelium discoideum

UniProt P08799

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 2–765 Not recorded LINKER × 1 Dynamin-1 × 1 (P21575) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8;277 K;Tris, PEG 8000, MPD, DTT, magnesium chloride, pH 8.00, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 1.90 Å R-free 0.224

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

48 other PDB entries and 52 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MYS2_DICDI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 13–776; UniProt 2–765

Dynamin-1

Rattus norvegicus

UniProt P21575

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain B; UniProt 6–304 Not recorded myosin II heavy chain × 1 (P08799) LINKER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8;277 K;Tris, PEG 8000, MPD, DTT, magnesium chloride, pH 8.00, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 1.90 Å R-free 0.224

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

1 other PDB entries and 1 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name DYN1_RAT
Isoform
PDB entities 3
Chains and sequence ranges Author chain B; PDBConstruct 1–299; UniProt 6–304

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.

SAXS scattering curve SAXS Profile

SAXS profile for 2aka

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2aka
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id2aka
Deposition date deposition_date2005-08-03
Structure title titleStructure of the nucleotide-free myosin II motor domain from Dictyostelium discoideum fused to the GTPase domain of dynamin 1 from Rattus norvegicus
Keywords keywordsfusion protein, GTPase domain, dynamin, myosin, CONTRACTILE PROTEIN; CONTRACTILE PROTEIN
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier41.73
Radius of gyration Rg (electron density) rg_electron42.19
Forward intensity I(0) i0217554000.00
Molecular weight molecular_weight120820.0 kDa
Excluded volume excluded_volume151720 ų
Envelope volume envelope_volume204420 ų
Hydration-shell volume shell_volume44790 ų
Envelope diameter envelope_diameter154.5
Shell Rg shell_rg41.90
Envelope Rg envelope_rg42.29
Shape Rg shape_rg42.14
Total Rg total_rg42.33
Total atoms total_atoms8519
Residues n_residues1069
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax148.3
Rg (real space) rg_real42.30
Rg uncertainty (real space) rg_real_error1.83
I(0) (real space) i0_real2.1760e+08
I(0) uncertainty (real space) i0_real_error4.5370e+06
Rg (reciprocal space) rg_reciprocal41.73
I(0) (reciprocal space) i0_reciprocal217400000.0000
Solution quality estimate total_estimate0.7552
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary35.1
Skewness Skewness skewness0.670
Kurtosis Kurtosis kurtosis-0.222
Angular range angular_range— – 0.1900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha53560000.0000
Real-space data points n_real_points39
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.506; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.652; Smooth: 0.644

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2akab1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family familyc.37.1.8 — G proteins

CATH v4.4 (3 domains)

Domain ID domain_id2akaA01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1
Homologous superfamily homologous superfamily530
Domain ID domain_id2akaA02
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1
Homologous superfamily homologous superfamily60
Domain ID domain_id2akaB00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases

8. Citations (2)

9. Files and Curves (10)