9n4a

Wild-type RhoA GTPase bound to GppNHp

Method: X-RAY DIFFRACTION Dmax: 78.1 Å Quality: GOOD

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

Transforming protein RhoA

Homo sapiens

UniProt P61586

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 1–181 Not recorded DIO 1,4-DIETHYLENE DIOXIDE × 1 MG MAGNESIUM ION × 2 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;291.18 K;2 uL protein (10 mg/mL RhoA-GppNHp, 25 mM Tris-HCl pH 8.0, 2 mM MgCl2, 10 mM BME) + 2 uL of crystallization solution over 500 uL reservoir of crystallization solution. Crystallization solution: 25% dioxane, 17% PEG 8000, and 100 mM HEPES pH 6.9 Resolution 1.95 Å R-free 0.221
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–181 Not recorded DIO 1,4-DIETHYLENE DIOXIDE × 1 MG MAGNESIUM ION × 2 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;291.18 K;2 uL protein (10 mg/mL RhoA-GppNHp, 25 mM Tris-HCl pH 8.0, 2 mM MgCl2, 10 mM BME) + 2 uL of crystallization solution over 500 uL reservoir of crystallization solution. Crystallization solution: 25% dioxane, 17% PEG 8000, and 100 mM HEPES pH 6.9 Resolution 1.95 Å R-free 0.221

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.

129 other PDB entries and 164 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RHOA_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–181; UniProt 1–181 Author chain B; PDBConstruct 1–181; UniProt 1–181

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 9n4a

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9n4a
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9n4a
Deposition date deposition_date2025-02-02
Structure title titleWild-type RhoA GTPase bound to GppNHp
Keywords keywordssmall GTPase, Rho GTPase, GTP analog, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier24.44
Radius of gyration Rg (electron density) rg_electron23.90
Forward intensity I(0) i029437600.00
Molecular weight molecular_weight40741.0 kDa
Excluded volume excluded_volume50557 ų
Envelope volume envelope_volume61503 ų
Hydration-shell volume shell_volume21997 ų
Envelope diameter envelope_diameter78.9
Shell Rg shell_rg30.15
Envelope Rg envelope_rg23.87
Shape Rg shape_rg23.92
Total Rg total_rg24.58
Total atoms total_atoms2848
Residues n_residues359
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 dmax78.1
Rg (real space) rg_real24.48
Rg uncertainty (real space) rg_real_error0.51
I(0) (real space) i0_real2.9440e+07
I(0) uncertainty (real space) i0_real_error3.7380e+05
Rg (reciprocal space) rg_reciprocal24.47
I(0) (reciprocal space) i0_reciprocal29440000.0000
Solution quality estimate total_estimate0.8919
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary23.6
Skewness Skewness skewness0.300
Kurtosis Kurtosis kurtosis-0.660
Angular range angular_range— – 0.3250 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha7008000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.895; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.922; Smooth: 0.983

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

8. Citations (1)

9. Files and Curves (10)