1w9k

Dictyostelium discoideum Myosin II motor domain S456E with bound MgADP-BeFx

Method: X-RAY DIFFRACTION Dmax: 99.1 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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–759 Fragment:MOTOR DOMAIN, RESIDUES 1-759 Mutation:YES MG MAGNESIUM ION × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 EDO 1,2-ETHANEDIOL × 7 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7;10% PEG 8000, 50 MM HEPES PH 7, 100 MM NACL, 2 MM DTT, 2 MM NAN3 BY MICROSEEDING Resolution 2.05 Å R-free 0.232

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 1–759; UniProt 1–759

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 1w9k

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1w9k
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id1w9k
Deposition date deposition_date2004-10-13
Structure title titleDictyostelium discoideum Myosin II motor domain S456E with bound MgADP-BeFx
Keywords keywordsMOLECULAR MOTOR, MYOSIN, MUSCLE CONTRACTION, POWERSTROKE, MUTANT; MYOSIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier29.24
Radius of gyration Rg (electron density) rg_electron28.40
Forward intensity I(0) i0102489000.00
Molecular weight molecular_weight80090.0 kDa
Excluded volume excluded_volume100260 ų
Envelope volume envelope_volume125590 ų
Hydration-shell volume shell_volume36697 ų
Envelope diameter envelope_diameter105.9
Shell Rg shell_rg35.77
Envelope Rg envelope_rg28.96
Shape Rg shape_rg28.42
Total Rg total_rg29.06
Total atoms total_atoms5651
Residues n_residues719
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 dmax99.1
Rg (real space) rg_real29.26
Rg uncertainty (real space) rg_real_error0.77
I(0) (real space) i0_real1.0250e+08
I(0) uncertainty (real space) i0_real_error1.5230e+06
Rg (reciprocal space) rg_reciprocal29.25
I(0) (reciprocal space) i0_reciprocal102500000.0000
Solution quality estimate total_estimate0.8688
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary34.9
Skewness Skewness skewness0.435
Kurtosis Kurtosis kurtosis-0.101
Angular range angular_range— – 0.2700 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha16560000.0000
Real-space data points n_real_points55
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.784; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.940

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id1w9kA01
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_id1w9kA02
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)