8tfl

Ricin in complex with Fab SylH3

Method: X-RAY DIFFRACTION Dmax: 138.9 Å Quality: REASONABLE

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 2 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 40–299 Chain B; UniProt 316–576 Not recorded SylH3 Fab light chain × 1 SylH3 Fab heavy chain × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-alpha-D-glucopyranose × 2 2PE NONAETHYLENE GLYCOL × 1 NDG 2-acetamido-2-deoxy-alpha-D-glucopyranose × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;295 K;1.5 M ammonium fluoride and 20% PEG 3,350 Resolution 2.89 Å R-free 0.287

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 3, 4
Chains and sequence ranges Author chain A; PDBConstruct 1–260; UniProt 40–299 Author chain B; PDBConstruct 1–261; UniProt 316–576

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 8tfl

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id8tfl
Deposition date deposition_date2023-07-11
Structure title titleRicin in complex with Fab SylH3
Keywords keywordsRicin toxin, monoclonal antibody, TOXIN; TOXIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier39.51
Radius of gyration Rg (electron density) rg_electron39.84
Forward intensity I(0) i0171092000.00
Molecular weight molecular_weight104800.0 kDa
Excluded volume excluded_volume130450 ų
Envelope volume envelope_volume173240 ų
Hydration-shell volume shell_volume38137 ų
Envelope diameter envelope_diameter139.0
Shell Rg shell_rg42.48
Envelope Rg envelope_rg39.84
Shape Rg shape_rg39.83
Total Rg total_rg40.05
Total atoms total_atoms7382
Residues n_residues938
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 dmax138.9
Rg (real space) rg_real40.07
Rg uncertainty (real space) rg_real_error1.46
I(0) (real space) i0_real1.7110e+08
I(0) uncertainty (real space) i0_real_error2.9380e+06
Rg (reciprocal space) rg_reciprocal39.73
I(0) (reciprocal space) i0_reciprocal171000000.0000
Solution quality estimate total_estimate0.7316
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary31.2
Skewness Skewness skewness0.522
Kurtosis Kurtosis kurtosis-0.502
Angular range angular_range— – 0.2000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha19870000.0000
Real-space data points n_real_points41
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.653; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.547; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

8. Citations (1)

9. Files and Curves (10)