8dj3

Caspase-7 bound to novel allosteric inhibitor

Method: X-RAY DIFFRACTION Dmax: 65.8 Å Quality: EXCELLENT

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

Caspase-7

Homo sapiens

UniProt P55210

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 2–303 Chain B; UniProt 2–303 Not recorded SE1 2-[(2-{[(3s,5s,7s)-adamantan-1-yl]sulfamoyl}phenyl)sulfanyl]benzoic acid × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 5.5;293 K;1.9 M sodium formate, 0.1 M sodium citrate, pH 5.0-5.7 Resolution 3.20 Å R-free 0.249

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.

46 other PDB entries and 54 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CASP7_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 4–305; UniProt 2–303 Author chain B; PDBConstruct 4–305; UniProt 2–303

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 8dj3

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8dj3
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8dj3
Deposition date deposition_date2022-06-29
Structure title titleCaspase-7 bound to novel allosteric inhibitor
Keywords keywordsallostery, inhibitor, ternary, APOPTOSIS-APOPTOSIS INHIBITOR complex; APOPTOSIS/APOPTOSIS INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.33
Radius of gyration Rg (electron density) rg_electron20.97
Forward intensity I(0) i032909600.00
Molecular weight molecular_weight43942.0 kDa
Excluded volume excluded_volume54737 ų
Envelope volume envelope_volume62911 ų
Hydration-shell volume shell_volume24671 ų
Envelope diameter envelope_diameter67.3
Shell Rg shell_rg27.97
Envelope Rg envelope_rg21.01
Shape Rg shape_rg20.98
Total Rg total_rg21.77
Total atoms total_atoms5901
Residues n_residues411
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 dmax65.8
Rg (real space) rg_real22.20
Rg uncertainty (real space) rg_real_error0.35
I(0) (real space) i0_real3.2910e+07
I(0) uncertainty (real space) i0_real_error4.0950e+05
Rg (reciprocal space) rg_reciprocal22.23
I(0) (reciprocal space) i0_reciprocal32910000.0000
Solution quality estimate total_estimate0.9157
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary28.9
Skewness Skewness skewness0.121
Kurtosis Kurtosis kurtosis-0.565
Angular range angular_range— – 0.3550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6474000.0000
Real-space data points n_real_points67
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.972; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.992

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

8. Citations (1)

9. Files and Curves (10)