1hja

LYS 18 VARIANT OF TURKEY OVOMUCOID INHIBITOR THIRD DOMAIN COMPLEXED WITH ALPHA-CHYMOTRYPSIN

Method: X-RAY DIFFRACTION Dmax: 59.3 Å Quality: GOOD

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

ALPHA-CHYMOTRYPSIN

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 OVOMUCOID INHIBITOR × 1 (P68390) X-RAY DIFFRACTION X-ray crystallization conditions:pH 6;0.1 M KH2PO4/K2HPO4 PH=6.0 10% PEG6000 Resolution 2.30 Å R-free 0.246

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 CTRB_BOVIN
Isoform
PDB entities 1, 2, 3
Chains and sequence ranges Author chain A; PDBConstruct 1–13; UniProt 1–13 Author chain B; PDBConstruct 1–131; UniProt 16–146 Author chain C; PDBConstruct 1–97; UniProt 149–245

OVOMUCOID INHIBITOR

Meleagris gallopavo

UniProt P68390

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 135–185 Fragment:THIRD DOMAIN, DELETION OF FIRST 5 RESIDUES FROM N-TERMINUS Mutation:DEL(1-5), L18K ALPHA-CHYMOTRYPSIN × 1 (P00766) ALPHA-CHYMOTRYPSIN × 1 (P00766) ALPHA-CHYMOTRYPSIN × 1 (P00766) X-RAY DIFFRACTION X-ray crystallization conditions:pH 6;0.1 M KH2PO4/K2HPO4 PH=6.0 10% PEG6000 Resolution 2.30 Å R-free 0.246

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.

36 other PDB entries and 38 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name IOVO_MELGA
Isoform
PDB entities 4
Chains and sequence ranges Author chain I; PDBConstruct 1–51; UniProt 135–185

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 1hja

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1hja
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1hja
Deposition date deposition_date1997-07-09
Structure title titleLYS 18 VARIANT OF TURKEY OVOMUCOID INHIBITOR THIRD DOMAIN COMPLEXED WITH ALPHA-CHYMOTRYPSIN
Keywords keywordsCOMPLEX (HYDROLASE-INHIBITOR), ALPHA-CHYMOTRYPSIN, PROTEIN INHIBITOR, COMPLEX (HYDROLASE-INHIBITOR) complex; COMPLEX (HYDROLASE/INHIBITOR)
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier18.99
Radius of gyration Rg (electron density) rg_electron17.91
Forward intensity I(0) i017142700.00
Molecular weight molecular_weight30568.0 kDa
Excluded volume excluded_volume37974 ų
Envelope volume envelope_volume42785 ų
Hydration-shell volume shell_volume19653 ų
Envelope diameter envelope_diameter60.1
Shell Rg shell_rg24.60
Envelope Rg envelope_rg18.13
Shape Rg shape_rg17.90
Total Rg total_rg18.90
Total atoms total_atoms2138
Residues n_residues289
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 dmax59.3
Rg (real space) rg_real18.87
Rg uncertainty (real space) rg_real_error0.28
I(0) (real space) i0_real1.7140e+07
I(0) uncertainty (real space) i0_real_error2.2040e+05
Rg (reciprocal space) rg_reciprocal18.89
I(0) (reciprocal space) i0_reciprocal17140000.0000
Solution quality estimate total_estimate0.8917
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary23.9
Skewness Skewness skewness0.177
Kurtosis Kurtosis kurtosis-0.372
Angular range angular_range— – 0.4200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4123000.0000
Real-space data points n_real_points73
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.891; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.991; Smooth: 0.925

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1hja.1
Class classb — All beta proteins
Fold Fold foldb.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamilyb.47.1 — Trypsin-like serine proteases
Family Family familyb.47.1.2 — Eukaryotic proteases
Domain ID domain_idd1hjai_
Class classg — Small proteins
Fold Fold foldg.68 — Kazal-type serine protease inhibitors
Superfamily Superfamily superfamilyg.68.1 — Kazal-type serine protease inhibitors
Family Family familyg.68.1.1 — Ovomucoid domain III-like

CATH v4.4 (3 domains)

Domain ID domain_id1hjaB00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id1hjaC00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id1hjaI00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology60 — Wheat Germ Agglutinin (Isolectin 2); domain 1
Homologous superfamily homologous superfamily30

8. Citations (2)

9. Files and Curves (10)