5j4s

alpha-chymotrypsin from bovine pancreas in complex with a modified Bowman-Birk inhibitor from soybean

Method: X-RAY DIFFRACTION Dmax: 80.4 Å Quality: GOOD

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

Chymotrypsinogen 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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–245 Not recorded Bowman-Birk type proteinase inhibitor × 1 (P01055) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;291 K;10mM nickel chloride, 0.1M Tris-HCl, pH8.5, 20% (w/v) PEG MME 2000 Resolution 2.10 Å R-free 0.241

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 177 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CTRA_BOVIN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–245; UniProt 1–245

Bowman-Birk type proteinase inhibitor

OrganismNot specified

UniProt P01055

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 B; UniProt 40–110 Fragment:UNP residues 40-110 Mutation:M27L,A22T,L42F,Y45I,A47P Chymotrypsinogen A × 1 (P00766) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;291 K;10mM nickel chloride, 0.1M Tris-HCl, pH8.5, 20% (w/v) PEG MME 2000 Resolution 2.10 Å R-free 0.241

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.

5 other PDB entries and 5 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name IBB1_SOYBN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–71; UniProt 40–110

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 5j4s

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5j4s
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5j4s
Deposition date deposition_date2016-04-01
Structure title titlealpha-chymotrypsin from bovine pancreas in complex with a modified Bowman-Birk inhibitor from soybean
Keywords keywordsbifunctional protease inhibitor, serine protease, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier20.68
Radius of gyration Rg (electron density) rg_electron19.70
Forward intensity I(0) i019228400.00
Molecular weight molecular_weight31999.0 kDa
Excluded volume excluded_volume39515 ų
Envelope volume envelope_volume47150 ų
Hydration-shell volume shell_volume20201 ų
Envelope diameter envelope_diameter82.1
Shell Rg shell_rg25.98
Envelope Rg envelope_rg21.09
Shape Rg shape_rg19.69
Total Rg total_rg20.58
Total atoms total_atoms4384
Residues n_residues301
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 dmax80.4
Rg (real space) rg_real20.77
Rg uncertainty (real space) rg_real_error0.76
I(0) (real space) i0_real1.9230e+07
I(0) uncertainty (real space) i0_real_error2.4540e+05
Rg (reciprocal space) rg_reciprocal20.76
I(0) (reciprocal space) i0_reciprocal19230000.0000
Solution quality estimate total_estimate0.7763
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary23.3
Skewness Skewness skewness0.625
Kurtosis Kurtosis kurtosis0.438
Angular range angular_range— – 0.3850 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha6097000.0000
Real-space data points n_real_points70
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.441; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.783; Smooth: 0.980

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

Domain ID domain_id5j4sA01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id5j4sA02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id5j4sB00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology69 — Cysteine Protease (Bromelain) Inhibitor, subunit H
Homologous superfamily homologous superfamily10 — Cysteine Protease (Bromelain) Inhibitor, subunit H

8. Citations (1)

9. Files and Curves (10)