1l3f

Thermolysin in the Absence of Substrate has an Open Conformation

Method: X-RAY DIFFRACTION Dmax: 67.3 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 E; UniProt 1–316 Not recorded CA CALCIUM ION × 4 ZN ZINC ION × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6;298 K;MES, dimethylsulfoxide, NaCl, Zn Acetate, pH 6.00, VAPOR DIFFUSION, SITTING DROP, temperature 298K Resolution 2.30 Å R-free 0.302

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 E; PDBConstruct 1–316; UniProt 1–316

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 1l3f

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1l3f
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id1l3f
Deposition date deposition_date2002-02-26
Structure title titleThermolysin in the Absence of Substrate has an Open Conformation
Keywords keywordshydrolase, Thermolysin, Matrix Metalloprotease, Zinc Metalloprotease, Hinge-bending; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier20.26
Radius of gyration Rg (electron density) rg_electron19.47
Forward intensity I(0) i021924100.00
Molecular weight molecular_weight34602.0 kDa
Excluded volume excluded_volume42608 ų
Envelope volume envelope_volume46010 ų
Hydration-shell volume shell_volume19963 ų
Envelope diameter envelope_diameter67.8
Shell Rg shell_rg25.70
Envelope Rg envelope_rg19.70
Shape Rg shape_rg19.47
Total Rg total_rg20.26
Total atoms total_atoms2434
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 dmax67.3
Rg (real space) rg_real20.23
Rg uncertainty (real space) rg_real_error0.44
I(0) (real space) i0_real2.1920e+07
I(0) uncertainty (real space) i0_real_error2.9090e+05
Rg (reciprocal space) rg_reciprocal20.24
I(0) (reciprocal space) i0_reciprocal21920000.0000
Solution quality estimate total_estimate0.8781
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.0
Skewness Skewness skewness0.348
Kurtosis Kurtosis kurtosis-0.263
Angular range angular_range— – 0.3900 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3973000.0000
Real-space data points n_real_points71
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.807; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.991

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1l3fe_
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_id1l3fE01
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology170 — Elastase; domain 1
Homologous superfamily homologous superfamily10
Domain ID domain_id1l3fE02
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)