6whe

Structure of phosphomimetic Rab8a GTPase (T72E) in the GTP-bound state

Method: X-RAY DIFFRACTION Dmax: 74.8 Å Quality: GOOD

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

Ras-related protein Rab-8A

Homo sapiens

UniProt P61006

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 Mutation:Q67L/T72E GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 7;289 K;20% PEG3350, 0.1M Hepes pH 7 Resolution 1.73 Å R-free 0.230
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–181 Mutation:Q67L/T72E GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 GOL GLYCEROL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION;pH 7;289 K;20% PEG3350, 0.1M Hepes pH 7 Resolution 1.73 Å R-free 0.230

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.

19 other PDB entries and 41 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RAB8A_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 4–184; UniProt 1–181 Author chain B; PDBConstruct 4–184; 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 6whe

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id6whe
Deposition date deposition_date2020-04-08
Structure title titleStructure of phosphomimetic Rab8a GTPase (T72E) in the GTP-bound state
Keywords keywords;Rab GTPase, membrane trafficking, Leucine-rich repeat kinase 2 (LRRK2), switch 2 phosphorylation, effector recruitment, Golgi membranes, ciliogenesis, Parkinson's disease, Rab-interacting lysosomal protein-like 2 (RILPL2), SIGNALING PROTEIN, HYDROLASE ;; SIGNALING PROTEIN, HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.66
Radius of gyration Rg (electron density) rg_electron21.98
Forward intensity I(0) i029423500.00
Molecular weight molecular_weight41137.0 kDa
Excluded volume excluded_volume51355 ų
Envelope volume envelope_volume60981 ų
Hydration-shell volume shell_volume23173 ų
Envelope diameter envelope_diameter77.8
Shell Rg shell_rg28.75
Envelope Rg envelope_rg22.28
Shape Rg shape_rg21.99
Total Rg total_rg22.79
Total atoms total_atoms2882
Residues n_residues347
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 dmax74.8
Rg (real space) rg_real22.64
Rg uncertainty (real space) rg_real_error0.45
I(0) (real space) i0_real2.9420e+07
I(0) uncertainty (real space) i0_real_error3.8870e+05
Rg (reciprocal space) rg_reciprocal22.64
I(0) (reciprocal space) i0_reciprocal29420000.0000
Solution quality estimate total_estimate0.8906
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary26.1
Skewness Skewness skewness0.319
Kurtosis Kurtosis kurtosis-0.411
Angular range angular_range— – 0.3500 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha5641000.0000
Real-space data points n_real_points67
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.861; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.995; Smooth: 0.996

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd6whea_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family familyc.37.1.8 — G proteins
Domain ID domain_idd6wheb_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family familyc.37.1.8 — G proteins

8. Citations (1)

9. Files and Curves (10)