6z7u

Myosin-II motor domain complexed with blebbistatin in a new ADP-release conformation

Method: X-RAY DIFFRACTION Dmax: 101.1 Å Quality: GOOD

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

Myosin-2 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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 2–761 Not recorded EDO 1,2-ETHANEDIOL × 9 ADP ADENOSINE-5'-DIPHOSPHATE × 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, SITTING DROP;pH 7.5;277 K;0.1 M HEPES, pH7.5, 10% PEG8000, 8% ethylene glycol Resolution 2.58 Å R-free 0.231

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 6z7u

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6z7u
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6z7u
Deposition date deposition_date2020-06-01
Structure title titleMyosin-II motor domain complexed with blebbistatin in a new ADP-release conformation
Keywords keywordsmyosin, motorprotein, blebbistatin, ADP-release, inhibitor, complex, hydrolase, MOTOR PROTEIN; MOTOR PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier29.83
Radius of gyration Rg (electron density) rg_electron29.04
Forward intensity I(0) i0116999000.00
Molecular weight molecular_weight85441.0 kDa
Excluded volume excluded_volume106790 ų
Envelope volume envelope_volume132490 ų
Hydration-shell volume shell_volume38068 ų
Envelope diameter envelope_diameter109.0
Shell Rg shell_rg36.21
Envelope Rg envelope_rg29.34
Shape Rg shape_rg29.04
Total Rg total_rg29.68
Total atoms total_atoms11875
Residues n_residues752
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 dmax101.1
Rg (real space) rg_real29.87
Rg uncertainty (real space) rg_real_error0.71
I(0) (real space) i0_real1.1700e+08
I(0) uncertainty (real space) i0_real_error1.7780e+06
Rg (reciprocal space) rg_reciprocal29.86
I(0) (reciprocal space) i0_reciprocal117000000.0000
Solution quality estimate total_estimate0.8670
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary34.3
Skewness Skewness skewness0.461
Kurtosis Kurtosis kurtosis-0.083
Angular range angular_range— – 0.2650 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha25170000.0000
Real-space data points n_real_points54
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.788; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.992; Smooth: 0.910

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_id6z7uA01
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_id6z7uA02
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1
Homologous superfamily homologous superfamily60

8. Citations (1)

9. Files and Curves (10)