9bkg

Crystal structure of selenomethionine labeled bovine trypsin mutant - S195A solved by Sulphur-SAD at 1.54A wavelength

Method: X-RAY DIFFRACTION Dmax: 52.1 Å Quality: EXCELLENT

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

Serine protease 1

Bos taurus

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 24–246 Mutation:S195A Non-standard monomer:Yes (specific site not provided by mmCIF) No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;298 K;0.1M Imidazole, pH 7.0 , 0.3M Ammonium Sulfate, 30% PEG8000 Resolution 1.57 Å R-free 0.204

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

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 9bkg

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9bkg
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9bkg
Deposition date deposition_date2024-04-27
Structure title titleCrystal structure of selenomethionine labeled bovine trypsin mutant - S195A solved by Sulphur-SAD at 1.54A wavelength
Keywords keywordsselenomethionine labeled, S195A, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier16.97
Radius of gyration Rg (electron density) rg_electron15.79
Forward intensity I(0) i08443000.00
Molecular weight molecular_weight20783.0 kDa
Excluded volume excluded_volume25725 ų
Envelope volume envelope_volume28974 ų
Hydration-shell volume shell_volume15306 ų
Envelope diameter envelope_diameter51.8
Shell Rg shell_rg21.87
Envelope Rg envelope_rg16.07
Shape Rg shape_rg15.79
Total Rg total_rg16.80
Total atoms total_atoms1447
Residues n_residues195
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 dmax52.1
Rg (real space) rg_real16.86
Rg uncertainty (real space) rg_real_error0.24
I(0) (real space) i0_real8.4430e+06
I(0) uncertainty (real space) i0_real_error9.1600e+04
Rg (reciprocal space) rg_reciprocal16.88
I(0) (reciprocal space) i0_reciprocal8443000.0000
Solution quality estimate total_estimate0.9038
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary21.9
Skewness Skewness skewness0.134
Kurtosis Kurtosis kurtosis-0.464
Angular range angular_range— – 0.4700 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2100000.0000
Real-space data points n_real_points77
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.920; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.992; Smooth: 0.995

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

8. Citations (1)

9. Files and Curves (10)