8wk1

Bovine trypsin in complex with Durio zibethinus trypsin inhibitor DzTI-4

Method: X-RAY DIFFRACTION Dmax: 98.6 Å Quality: EXCELLENT

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

Cationic trypsin

OrganismNot specified

UniProt P00760

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 24–246 Chain C; UniProt 24–246 Not recorded 21 kDa seed protein-like × 2 (A0A6P5Y0F4) SO4 SULFATE ION × 4 GOL GLYCEROL × 11 ACT ACETATE ION × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.5;289 K;100 mM sodium acetate, 200 mM ammonium sulfate, 25% PEG 4,000 Resolution 2.00 Å R-free 0.224

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.

608 other PDB entries and 770 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TRY1_BOVIN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–223; UniProt 24–246 Author chain C; PDBConstruct 1–223; UniProt 24–246

21 kDa seed protein-like

Durio zibethinus

UniProt A0A6P5Y0F4

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 × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain B; UniProt 27–220 Chain D; UniProt 27–220 Not recorded Cationic trypsin × 2 (P00760) SO4 SULFATE ION × 4 GOL GLYCEROL × 11 ACT ACETATE ION × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 4.5;289 K;100 mM sodium acetate, 200 mM ammonium sulfate, 25% PEG 4,000 Resolution 2.00 Å R-free 0.224

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.

1 other PDB entries and 1 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A6P5Y0F4_DURZI
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–194; UniProt 27–220 Author chain D; PDBConstruct 1–194; UniProt 27–220

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 8wk1

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8wk1
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8wk1
Deposition date deposition_date2023-09-26
Structure title titleBovine trypsin in complex with Durio zibethinus trypsin inhibitor DzTI-4
Keywords keywordsKunitz-type trypsin inhibitor, seed protein, Durio zibethinus, bovine trypsin, PLANT PROTEIN; PLANT PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier31.02
Radius of gyration Rg (electron density) rg_electron30.28
Forward intensity I(0) i0133197000.00
Molecular weight molecular_weight89002.0 kDa
Excluded volume excluded_volume110290 ų
Envelope volume envelope_volume136520 ų
Hydration-shell volume shell_volume37350 ų
Envelope diameter envelope_diameter97.0
Shell Rg shell_rg37.74
Envelope Rg envelope_rg29.88
Shape Rg shape_rg30.22
Total Rg total_rg31.13
Total atoms total_atoms6234
Residues n_residues811
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 dmax98.6
Rg (real space) rg_real30.95
Rg uncertainty (real space) rg_real_error0.66
I(0) (real space) i0_real1.3320e+08
I(0) uncertainty (real space) i0_real_error1.9510e+06
Rg (reciprocal space) rg_reciprocal30.99
I(0) (reciprocal space) i0_reciprocal133200000.0000
Solution quality estimate total_estimate0.9053
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary34.8
Skewness Skewness skewness0.209
Kurtosis Kurtosis kurtosis-0.615
Angular range angular_range— – 0.2550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha56060000.0000
Real-space data points n_real_points52
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.941; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.986; Smooth: 0.957

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

8. Citations (1)

9. Files and Curves (10)