8tfh

Ricin in complex with Fab JB4

Method: X-RAY DIFFRACTION Dmax: 138.3 Å Quality: GOOD

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

Ricin A chain

OrganismNot specified

UniProt P02879

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Other combination Heteromer Protein × 4 其他Polymer 3 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 39–298 Chain B; UniProt 315–576 Not recorded JB4 monoclonal antibody heavy chain × 1 JB4 monoclonal antibody light chain × 1 alpha-L-fucopyranose-(1-3)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)]2-acetamido-2-deoxy-beta-D-glucopyranose × 1 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 EDO 1,2-ETHANEDIOL × 3 CL CHLORIDE ION × 3 SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;295 K;1.5 M ammonium sulfate and 25% glycerol Resolution 3.29 Å R-free 0.334

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.

100 other PDB entries and 126 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RICI_RICCO
Isoform
PDB entities 1, 2
Chains and sequence ranges Author chain A; PDBConstruct 1–260; UniProt 39–298 Author chain B; PDBConstruct 1–262; UniProt 315–576

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 8tfh

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id8tfh
Deposition date deposition_date2023-07-11
Structure title titleRicin in complex with Fab JB4
Keywords keywordsRicin toxin, Fab, TOXIN, TOXIN-IMMUNE SYSTEM complex; TOXIN/IMMUNE SYSTEM
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier39.80
Radius of gyration Rg (electron density) rg_electron40.11
Forward intensity I(0) i0181780000.00
Molecular weight molecular_weight107600.0 kDa
Excluded volume excluded_volume133800 ų
Envelope volume envelope_volume179650 ų
Hydration-shell volume shell_volume39500 ų
Envelope diameter envelope_diameter137.7
Shell Rg shell_rg42.51
Envelope Rg envelope_rg39.98
Shape Rg shape_rg40.10
Total Rg total_rg40.28
Total atoms total_atoms7569
Residues n_residues955
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 dmax138.3
Rg (real space) rg_real40.36
Rg uncertainty (real space) rg_real_error1.41
I(0) (real space) i0_real1.8180e+08
I(0) uncertainty (real space) i0_real_error3.4080e+06
Rg (reciprocal space) rg_reciprocal40.02
I(0) (reciprocal space) i0_reciprocal181700000.0000
Solution quality estimate total_estimate0.7965
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary34.6
Skewness Skewness skewness0.515
Kurtosis Kurtosis kurtosis-0.517
Angular range angular_range— – 0.2000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha24270000.0000
Real-space data points n_real_points41
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.676; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.587; Smooth: 0.736

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (10)

8. Citations (1)

9. Files and Curves (10)