8i7p

Crystal structure of Ricin A chain bound with N2-(2-amino-4-oxo-3,4-dihydropteridine-7-carbonyl)glycyl-L-tyrosine

Method: X-RAY DIFFRACTION Dmax: 61.8 Å Quality: GOOD

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

Ricin A chain

Ricinus communis

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 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 36–302 Not recorded 6-(2-ethyl-4-hydroxyphenyl)-1H-indazole-3-carboxamide × 1 SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4;296 K;PEG2000, Lithium sulfate, Sodium acetate Resolution 1.60 Å R-free 0.232

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
Chains and sequence ranges Author chain A; PDBConstruct 8–274; UniProt 36–302

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 8i7p

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8i7p
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8i7p
Deposition date deposition_date2023-02-01
Structure title titleCrystal structure of Ricin A chain bound with N2-(2-amino-4-oxo-3,4-dihydropteridine-7-carbonyl)glycyl-L-tyrosine
Keywords keywordsToxin, Inhibitor, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier19.20
Radius of gyration Rg (electron density) rg_electron17.91
Forward intensity I(0) i015697400.00
Molecular weight molecular_weight29401.0 kDa
Excluded volume excluded_volume36565 ų
Envelope volume envelope_volume41664 ų
Hydration-shell volume shell_volume19181 ų
Envelope diameter envelope_diameter62.5
Shell Rg shell_rg24.40
Envelope Rg envelope_rg18.25
Shape Rg shape_rg17.91
Total Rg total_rg18.83
Total atoms total_atoms2075
Residues n_residues261
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 dmax61.8
Rg (real space) rg_real19.07
Rg uncertainty (real space) rg_real_error0.39
I(0) (real space) i0_real1.5700e+07
I(0) uncertainty (real space) i0_real_error2.0520e+05
Rg (reciprocal space) rg_reciprocal19.09
I(0) (reciprocal space) i0_reciprocal15700000.0000
Solution quality estimate total_estimate0.8086
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.9
Skewness Skewness skewness0.168
Kurtosis Kurtosis kurtosis-0.340
Angular range angular_range— – 0.4150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3715000.0000
Real-space data points n_real_points73
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.838; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.996; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

8. Citations (1)

9. Files and Curves (10)