8rtt

Structure of the formin Cdc12 bound to the barbed end of phalloidin-stabilized F-actin.

Method: ELECTRON MICROSCOPY Dmax: 170.2 Å Quality: REASONABLE

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

Actin, cytoplasmic 1, N-terminally processed

Homo sapiens

UniProt P60709

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 × 9 PDB declaration: nonameric(9) Consistent with protein copy count Chain A; UniProt 1–375 Chain B; UniProt 1–375 Chain C; UniProt 1–375 Chain D; UniProt 1–375 Mutation:C272A Non-standard monomer:Yes (specific site not provided by mmCIF) Cell division control protein 12 × 2 (Q10059) Phalloidin × 3 ADP ADENOSINE-5'-DIPHOSPHATE × 4 MG MAGNESIUM ION × 4 PO4 PHOSPHATE ION × 3 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.1;1xKMEH (10 mM HEPES pH 7.1, 100 mM KCl, 2 mM MgCl2, 1 mM EGTA, 0.5 mM TCEP) cryo-EM vitrification conditions:Cryogen ETHANE-PROPANE;3 seconds, force 0. Resolution 3.56 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.

72 other PDB entries and 83 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ACTB_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–375; UniProt 1–375 Author chain B; PDBConstruct 1–375; UniProt 1–375 Author chain C; PDBConstruct 1–375; UniProt 1–375 Author chain D; PDBConstruct 1–375; UniProt 1–375

Cell division control protein 12

Schizosaccharomyces pombe

UniProt Q10059

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 × 9 PDB declaration: nonameric(9) Consistent with protein copy count Chain E; UniProt 972–1390 Chain F; UniProt 972–1390 Not recorded Actin, cytoplasmic 1, N-terminally processed × 4 (P60709) Phalloidin × 3 ADP ADENOSINE-5'-DIPHOSPHATE × 4 MG MAGNESIUM ION × 4 PO4 PHOSPHATE ION × 3 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.1;1xKMEH (10 mM HEPES pH 7.1, 100 mM KCl, 2 mM MgCl2, 1 mM EGTA, 0.5 mM TCEP) cryo-EM vitrification conditions:Cryogen ETHANE-PROPANE;3 seconds, force 0. Resolution 3.56 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.

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

View Construct and Data Evidence
UniProt name CDC12_SCHPO
Isoform
PDB entities 2
Chains and sequence ranges Author chain E; PDBConstruct 1–419; UniProt 972–1390 Author chain F; PDBConstruct 1–419; UniProt 972–1390

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 8rtt

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8rtt
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8rtt
Deposition date deposition_date2024-01-29
Structure title titleStructure of the formin Cdc12 bound to the barbed end of phalloidin-stabilized F-actin.
Keywords keywordsactin, formin, Cdc12, actin assembly., STRUCTURAL PROTEIN; STRUCTURAL PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier49.55
Radius of gyration Rg (electron density) rg_electron49.51
Forward intensity I(0) i0990030000.00
Molecular weight molecular_weight258830.0 kDa
Excluded volume excluded_volume323040 ų
Envelope volume envelope_volume458130 ų
Hydration-shell volume shell_volume79528 ų
Envelope diameter envelope_diameter178.3
Shell Rg shell_rg51.09
Envelope Rg envelope_rg48.81
Shape Rg shape_rg49.54
Total Rg total_rg49.48
Total atoms total_atoms18155
Residues n_residues2264
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 dmax170.2
Rg (real space) rg_real49.67
Rg uncertainty (real space) rg_real_error1.79
I(0) (real space) i0_real9.9000e+08
I(0) uncertainty (real space) i0_real_error2.1550e+07
Rg (reciprocal space) rg_reciprocal49.55
I(0) (reciprocal space) i0_reciprocal989900000.0000
Solution quality estimate total_estimate0.6605
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary58.5
Skewness Skewness skewness0.381
Kurtosis Kurtosis kurtosis-0.317
Angular range angular_range— – 0.1600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha69220000.0000
Real-space data points n_real_points33
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.854; Stabil: 1.000; Sysdev: 0.087; Positv: 1.000; Valcen: 0.991; Smooth: 0.767

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

8. Citations (1)

9. Files and Curves (10)