6qf2

X-Ray structure of Thermolysin crystallized on a silicon chip

Method: X-RAY DIFFRACTION Dmax: 69.8 Å Quality: REASONABLE

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 × 2 CA CALCIUM ION × 4 LEU LEUCINE × 1 LYS LYSINE × 1 NA SODIUM ION × 1 EDO 1,2-ETHANEDIOL × 8 PE5 3,6,9,12,15,18,21,24-OCTAOXAHEXACOSAN-1-OL × 1 PEG DI(HYDROXYETHYL)ETHER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.5;295 K;0.1M MES-NaOH pH 6.5, 10mM calcium chloride, 25% PEG 2000 Resolution 1.73 Å R-free 0.161

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 6qf2

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6qf2
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6qf2
Deposition date deposition_date2019-01-09
Structure title titleX-Ray structure of Thermolysin crystallized on a silicon chip
Keywords keywordsThermolysin, on-chip crystallization, in-situ crystallization, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier20.54
Radius of gyration Rg (electron density) rg_electron19.80
Forward intensity I(0) i022999600.00
Molecular weight molecular_weight35898.0 kDa
Excluded volume excluded_volume44481 ų
Envelope volume envelope_volume49338 ų
Hydration-shell volume shell_volume20872 ų
Envelope diameter envelope_diameter71.3
Shell Rg shell_rg26.26
Envelope Rg envelope_rg20.30
Shape Rg shape_rg19.78
Total Rg total_rg20.70
Total atoms total_atoms4913
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 dmax69.8
Rg (real space) rg_real20.51
Rg uncertainty (real space) rg_real_error0.47
I(0) (real space) i0_real2.3000e+07
I(0) uncertainty (real space) i0_real_error3.2390e+05
Rg (reciprocal space) rg_reciprocal20.52
I(0) (reciprocal space) i0_reciprocal23000000.0000
Solution quality estimate total_estimate0.6923
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.3
Skewness Skewness skewness0.368
Kurtosis Kurtosis kurtosis-0.215
Angular range angular_range— – 0.3850 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4895000.0000
Real-space data points n_real_points70
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.765; Stabil: 1.000; Sysdev: 0.242; Positv: 1.000; Valcen: 0.993; Smooth: 0.980

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (10)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd6qf2a_
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_id6qf2A01
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology170 — Elastase; domain 1
Homologous superfamily homologous superfamily10
Domain ID domain_id6qf2A02
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)