3n21

Crystal structure of Thermolysin in complex with S-1,2-Propandiol

Method: X-RAY DIFFRACTION Dmax: 68.2 Å Quality: GOOD

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

Thermolysin

OrganismNot specified

UniProt P00800

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 233–548 Not recorded ZN ZINC ION × 1 CA CALCIUM ION × 4 PGO S-1,2-PROPANEDIOL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 7.5;288 K;50 mM Tris/HCl, 50 % DMSO, 1.8 M CsCl, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 288K Resolution 1.87 Å R-free 0.232

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.

204 other PDB entries and 206 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name THER_BACTH
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–316; UniProt 233–548

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 3n21

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3n21
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3n21
Deposition date deposition_date2010-05-17
Structure title titleCrystal structure of Thermolysin in complex with S-1,2-Propandiol
Keywords keywords;PROTEASE, HYDROLASE, Fragment soaking, METALLOPROTEASE, Metal-binding, Secreted, Zymogen, S-1, 2-Propandiol, Fragment based lead discovery ;; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier20.36
Radius of gyration Rg (electron density) rg_electron19.53
Forward intensity I(0) i021510100.00
Molecular weight molecular_weight34389.0 kDa
Excluded volume excluded_volume42446 ų
Envelope volume envelope_volume46945 ų
Hydration-shell volume shell_volume20239 ų
Envelope diameter envelope_diameter68.0
Shell Rg shell_rg25.84
Envelope Rg envelope_rg19.82
Shape Rg shape_rg19.52
Total Rg total_rg20.36
Total atoms total_atoms2426
Residues n_residues316
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 dmax68.2
Rg (real space) rg_real20.33
Rg uncertainty (real space) rg_real_error0.38
I(0) (real space) i0_real2.1510e+07
I(0) uncertainty (real space) i0_real_error3.0260e+05
Rg (reciprocal space) rg_reciprocal20.34
I(0) (reciprocal space) i0_reciprocal21510000.0000
Solution quality estimate total_estimate0.8750
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary24.4
Skewness Skewness skewness0.353
Kurtosis Kurtosis kurtosis-0.247
Angular range angular_range— – 0.3900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4353000.0000
Real-space data points n_real_points71
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.796; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.985

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd3n21a_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.92 — Zincin-like
Superfamily Superfamily superfamilyd.92.1 — Metalloproteases ('zincins'), catalytic domain
Family Family familyd.92.1.2 — Thermolysin-like

CATH v4.4 (2 domains)

Domain ID domain_id3n21A01
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology170 — Elastase; domain 1
Homologous superfamily homologous superfamily10
Domain ID domain_id3n21A02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology390 — Neutral Protease; domain 2
Homologous superfamily homologous superfamily10 — Neutral Protease Domain 2

8. Citations (1)

9. Files and Curves (10)