3mjx

Crystal structure of myosin-2 motor domain in complex with ADP-Metavanadate and blebbistatin

Method: X-RAY DIFFRACTION Dmax: 93.8 Å Quality: GOOD

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

Myosin-2 heavy chain

OrganismNot specified

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 2–761 Not recorded AD9 ADP METAVANADATE × 1 MG MAGNESIUM ION × 1 BIT (-)-1-PHENYL-1,2,3,4-TETRAHYDRO-4-HYDROXYPYRROLO[2,3-B]-7-METHYLQUINOLIN-4-ONE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 7.4;277 K;50 MM HEPES PH 7.4, 140 MM NACL, 11% W/V PEG8000, 2% (V/V) MPD, 5 MM MGCL2, 5 MM DTT, 1 MM EGTA, 4mM ADP, 4mM meta-vanadate, 0.2 mM blebbistatin., VAPOR DIFFUSION, temperature 277K Resolution 2.20 Å R-free 0.226

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 13–772; UniProt 2–761

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 3mjx

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3mjx
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3mjx
Deposition date deposition_date2010-04-13
Structure title titleCrystal structure of myosin-2 motor domain in complex with ADP-Metavanadate and blebbistatin
Keywords keywords;CONTRACTILE PROTEIN, ALLOSTERIC, METHYLATION, ATP-BINDING, MOTOR PROTEIN, ACTIN-BINDING, PHOSPHOPROTEIN, ADP-METAVANADATE, CALMODULIN-BINDING, NUCLEOTIDE-BINDING, BLEBBISTATIN, MYOSIN, STRUCTURAL PROTEIN ;; STRUCTURAL PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier28.65
Radius of gyration Rg (electron density) rg_electron27.78
Forward intensity I(0) i0100018000.00
Molecular weight molecular_weight79273.0 kDa
Excluded volume excluded_volume99393 ų
Envelope volume envelope_volume123740 ų
Hydration-shell volume shell_volume36622 ų
Envelope diameter envelope_diameter99.2
Shell Rg shell_rg35.53
Envelope Rg envelope_rg28.33
Shape Rg shape_rg27.77
Total Rg total_rg28.55
Total atoms total_atoms5589
Residues n_residues690
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 dmax93.8
Rg (real space) rg_real28.65
Rg uncertainty (real space) rg_real_error0.55
I(0) (real space) i0_real1.0000e+08
I(0) uncertainty (real space) i0_real_error1.3790e+06
Rg (reciprocal space) rg_reciprocal28.65
I(0) (reciprocal space) i0_reciprocal100000000.0000
Solution quality estimate total_estimate0.8814
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary32.4
Skewness Skewness skewness0.395
Kurtosis Kurtosis kurtosis-0.189
Angular range angular_range— – 0.2750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha19150000.0000
Real-space data points n_real_points56
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.852; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.994; Smooth: 0.906

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id3mjxA02
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology30 — SH3 type barrels.
Homologous superfamily homologous superfamily360 — Myosin S1 fragment, N-terminal
Domain ID domain_id3mjxA03
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1
Homologous superfamily homologous superfamily530

8. Citations (1)

9. Files and Curves (10)