7y4k

Crystal structure of Ricin A chain bound with N2-(2-amino-4-oxo-3,4-dihydropteridine-7-carbonyl)glycyl-L-phenylalanyl-N6-((benzyloxy)carbonyl)-L-ornitine

Method: X-RAY DIFFRACTION Dmax: 63.1 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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 36–302 Not recorded JKU (2S)-2-[[(2S)-2-[2-[(2-azanyl-4-oxidanylidene-3H-pteridin-7-yl)carbonylamino]ethanoylamino]-3-phenyl-propanoyl]amino]-5-(phenylmethoxycarbonylamino)pentanoic acid × 1 SO4 SULFATE ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4;296 K;PEG 2000, Lithium sulfate, Sodium acetate Resolution 1.70 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.

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 7y4k

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7y4k
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7y4k
Deposition date deposition_date2022-06-15
Structure title titleCrystal structure of Ricin A chain bound with N2-(2-amino-4-oxo-3,4-dihydropteridine-7-carbonyl)glycyl-L-phenylalanyl-N6-((benzyloxy)carbonyl)-L-ornitine
Keywords keywordsHYDROLASE INHIBITOR, HYDROLASE, HYDROLASE-HYDROLASE INHIBITOR complex; HYDROLASE/HYDROLASE INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier19.35
Radius of gyration Rg (electron density) rg_electron18.02
Forward intensity I(0) i015372200.00
Molecular weight molecular_weight29063.0 kDa
Excluded volume excluded_volume36139 ų
Envelope volume envelope_volume41661 ų
Hydration-shell volume shell_volume19071 ų
Envelope diameter envelope_diameter66.2
Shell Rg shell_rg24.64
Envelope Rg envelope_rg18.47
Shape Rg shape_rg18.02
Total Rg total_rg18.96
Total atoms total_atoms2051
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 dmax63.1
Rg (real space) rg_real19.24
Rg uncertainty (real space) rg_real_error0.40
I(0) (real space) i0_real1.5370e+07
I(0) uncertainty (real space) i0_real_error1.8740e+05
Rg (reciprocal space) rg_reciprocal19.26
I(0) (reciprocal space) i0_reciprocal15370000.0000
Solution quality estimate total_estimate0.8008
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary24.9
Skewness Skewness skewness0.206
Kurtosis Kurtosis kurtosis-0.276
Angular range angular_range— – 0.4100 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3700000.0000
Real-space data points n_real_points72
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.803; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; 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)