2zwh

Model for the F-actin structure

Method: FIBER DIFFRACTION Dmax: 73.6 Å Quality: GOOD

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

Actin, alpha skeletal muscle

OrganismNot specified

UniProt P68135

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 3–377 Non-standard monomer:Yes (specific site not provided by mmCIF) ADP ADENOSINE-5'-DIPHOSPHATE × 1 CA CALCIUM ION × 1 FIBER DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 3.30 Å

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.

293 other PDB entries and 353 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ACTS_RABIT
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–375; UniProt 3–377

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 2zwh

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2zwh
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2zwh
Deposition date deposition_date2008-12-05
Structure title titleModel for the F-actin structure
Keywords keywords;F-actin, G-actin, cytoskelton, CONTRACTILE PROTEIN, ATP-binding, Cytoskeleton, Methylation, Muscle protein, Nucleotide-binding, Phosphoprotein ;; CONTRACTILE PROTEIN
Experimental Method methodFIBER DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.64
Radius of gyration Rg (electron density) rg_electron21.75
Forward intensity I(0) i031015700.00
Molecular weight molecular_weight42269.0 kDa
Excluded volume excluded_volume52651 ų
Envelope volume envelope_volume61992 ų
Hydration-shell volume shell_volume23787 ų
Envelope diameter envelope_diameter78.5
Shell Rg shell_rg28.57
Envelope Rg envelope_rg22.05
Shape Rg shape_rg21.76
Total Rg total_rg22.56
Total atoms total_atoms2961
Residues n_residues374
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 dmax73.6
Rg (real space) rg_real22.58
Rg uncertainty (real space) rg_real_error0.34
I(0) (real space) i0_real3.1020e+07
I(0) uncertainty (real space) i0_real_error3.9380e+05
Rg (reciprocal space) rg_reciprocal22.60
I(0) (reciprocal space) i0_reciprocal31020000.0000
Solution quality estimate total_estimate0.8972
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.6
Skewness Skewness skewness0.262
Kurtosis Kurtosis kurtosis-0.423
Angular range angular_range— – 0.3500 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha7916000.0000
Real-space data points n_real_points67
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.890; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.991

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id2zwhA01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily40 — ATPase, nucleotide binding domain
Domain ID domain_id2zwhA02
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology36 — Actin; Chain A, domain 2
Homologous superfamily homologous superfamily70 — Actin; Chain A, domain 2
Domain ID domain_id2zwhA03
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily40 — ATPase, nucleotide binding domain
Domain ID domain_id2zwhA04
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology640 — Actin; Chain A, domain 4
Homologous superfamily homologous superfamily10 — ATPase, substrate binding domain, subdomain 4

8. Citations (1)

9. Files and Curves (10)