3nkv

Crystal structure of Rab1b covalently modified with AMP at Y77

Method: X-RAY DIFFRACTION Dmax: 75.4 Å Quality: GOOD

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

Ras-related protein Rab-1B

Homo sapiens

UniProt Q9H0U4

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 3–174 Fragment:Rab1b-AMP GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 MG MAGNESIUM ION × 1 BA BARIUM ION × 1 AMP ADENOSINE MONOPHOSPHATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6;298 K;15% (v/v) isopropanol, 15% (w/v) PEG4000, 0.1 M imidazole, 10 mM BaCl2, pH 6.0, vapor diffusion, hanging drop, temperature 298K Resolution 1.70 Å R-free 0.187
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 3–174 Fragment:Rab1b-AMP GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 1 MG MAGNESIUM ION × 1 BA BARIUM ION × 1 AMP ADENOSINE MONOPHOSPHATE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 6;298 K;15% (v/v) isopropanol, 15% (w/v) PEG4000, 0.1 M imidazole, 10 mM BaCl2, pH 6.0, vapor diffusion, hanging drop, temperature 298K Resolution 1.70 Å R-free 0.187

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.

8 other PDB entries and 20 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RAB1B_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 4–175; UniProt 3–174 Author chain B; PDBConstruct 4–175; UniProt 3–174

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 3nkv

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3nkv
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3nkv
Deposition date deposition_date2010-06-21
Structure title titleCrystal structure of Rab1b covalently modified with AMP at Y77
Keywords keywordsposttranslational modification, AMPylation, adenylylation, Rab1b, vesicular transport, PROTEIN TRANSPORT; PROTEIN TRANSPORT
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier23.38
Radius of gyration Rg (electron density) rg_electron22.45
Forward intensity I(0) i029206100.00
Molecular weight molecular_weight40360.0 kDa
Excluded volume excluded_volume49969 ų
Envelope volume envelope_volume59498 ų
Hydration-shell volume shell_volume22523 ų
Envelope diameter envelope_diameter78.0
Shell Rg shell_rg28.78
Envelope Rg envelope_rg22.52
Shape Rg shape_rg22.43
Total Rg total_rg23.29
Total atoms total_atoms2813
Residues n_residues339
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 dmax75.4
Rg (real space) rg_real23.41
Rg uncertainty (real space) rg_real_error0.49
I(0) (real space) i0_real2.9210e+07
I(0) uncertainty (real space) i0_real_error3.9410e+05
Rg (reciprocal space) rg_reciprocal23.40
I(0) (reciprocal space) i0_reciprocal29210000.0000
Solution quality estimate total_estimate0.8939
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.5
Skewness Skewness skewness0.364
Kurtosis Kurtosis kurtosis-0.452
Angular range angular_range— – 0.3400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4924000.0000
Real-space data points n_real_points66
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.882; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.983; Smooth: 0.989

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd3nkva_
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_idd3nkvb_
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

CATH v4.4 (2 domains)

Domain ID domain_id3nkvA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
Domain ID domain_id3nkvB00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases

8. Citations (1)

9. Files and Curves (10)