7jrx

Crystal structure of the R64F mutant of Bauhinia Bauhinioides complexed with Bovine Chymotrypsin

Method: X-RAY DIFFRACTION Dmax: 131.3 Å Quality: GOOD

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

Chymotrypsin A chain A

OrganismNot specified

UniProt P00766

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 1–13 Chain B; UniProt 16–146 Chain C; UniProt 149–245 Not recorded Kunitz-type inihibitor × 1 (Q6VEQ7) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;293 K;25% PEG3350, 0.2M Ammonium Acetate at pH 6.5 Resolution 1.77 Å R-free 0.208
2 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain a; UniProt 1–13 Chain b; UniProt 16–146 Chain c; UniProt 149–245 Not recorded Kunitz-type inihibitor × 1 (Q6VEQ7) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;293 K;25% PEG3350, 0.2M Ammonium Acetate at pH 6.5 Resolution 1.77 Å R-free 0.208

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.

91 other PDB entries and 176 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CTRA_BOVIN
Isoform
PDB entities 1, 2, 3
Chains and sequence ranges Author chain A; PDBConstruct 1–13; UniProt 1–13 Author chain a; PDBConstruct 1–13; UniProt 1–13 Author chain B; PDBConstruct 1–131; UniProt 16–146 Author chain b; PDBConstruct 1–131; UniProt 16–146 Author chain C; PDBConstruct 1–97; UniProt 149–245 Author chain c; PDBConstruct 1–97; UniProt 149–245

Kunitz-type inihibitor

Bauhinia bauhinioides

UniProt Q6VEQ7

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 I; UniProt 19–183 Mutation:R64F Chymotrypsin A chain A × 1 (P00766) Chymotrypsin A chain B × 1 (P00766) Chymotrypsin A chain C × 1 (P00766) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;293 K;25% PEG3350, 0.2M Ammonium Acetate at pH 6.5 Resolution 1.77 Å R-free 0.208
2 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain i; UniProt 19–183 Mutation:R64F Chymotrypsin A chain A × 1 (P00766) Chymotrypsin A chain B × 1 (P00766) Chymotrypsin A chain C × 1 (P00766) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;293 K;25% PEG3350, 0.2M Ammonium Acetate at pH 6.5 Resolution 1.77 Å R-free 0.208

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.

13 other PDB entries and 79 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name Q6VEQ7_BAUBA
Isoform
PDB entities 4
Chains and sequence ranges Author chain I; PDBConstruct 2–166; UniProt 19–183 Author chain i; PDBConstruct 2–166; UniProt 19–183

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 7jrx

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id7jrx
Deposition date deposition_date2020-08-13
Structure title titleCrystal structure of the R64F mutant of Bauhinia Bauhinioides complexed with Bovine Chymotrypsin
Keywords keywordsBovine Chymotrypsin, R64F, Bauhinia Bauhinioides Kallikrein Inhibitor, STRUCTURAL PROTEIN, HYDROLASE-INHIBITOR complex; HYDROLASE/INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier36.94
Radius of gyration Rg (electron density) rg_electron36.95
Forward intensity I(0) i0112014000.00
Molecular weight molecular_weight85822.0 kDa
Excluded volume excluded_volume107750 ų
Envelope volume envelope_volume139270 ų
Hydration-shell volume shell_volume33159 ų
Envelope diameter envelope_diameter138.7
Shell Rg shell_rg39.96
Envelope Rg envelope_rg37.00
Shape Rg shape_rg36.99
Total Rg total_rg37.03
Total atoms total_atoms6041
Residues n_residues807
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 dmax131.3
Rg (real space) rg_real37.36
Rg uncertainty (real space) rg_real_error1.54
I(0) (real space) i0_real1.1200e+08
I(0) uncertainty (real space) i0_real_error2.0680e+06
Rg (reciprocal space) rg_reciprocal37.11
I(0) (reciprocal space) i0_reciprocal112000000.0000
Solution quality estimate total_estimate0.7579
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary27.5
Skewness Skewness skewness0.502
Kurtosis Kurtosis kurtosis-0.389
Angular range angular_range— – 0.2150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha83930000.0000
Real-space data points n_real_points44
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.568; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.366; Smooth: 0.778

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

8. Citations (1)

9. Files and Curves (10)