3qiz

Crystal Structure of BoNT/A LC complexed with Hydroxamate-based Inhibitor PT-2

Method: X-RAY DIFFRACTION Dmax: 71.8 Å Quality: REASONABLE

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

Botulinum neurotoxin type A

Clostridium botulinum

UniProt A5HZZ9

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 3–424 Fragment:light chain (UNP residues 3-424) ZN ZINC ION × 1 QI2 (2S,4R)-2-(2-{[3-(4-fluoro-3-methylphenyl)propyl](methyl)amino}ethyl)-4-(4-fluorophenyl)-N-hydroxy-4-methoxybutanamide × 1 PEG DI(HYDROXYETHYL)ETHER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;293 K;15% PEG6000, 5% glycerol, VAPOR DIFFUSION, SITTING DROP, temperature 293K Resolution 2.00 Å R-free 0.223

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.

22 other PDB entries and 25 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name BXA1_CLOBH
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–424; UniProt 3–424

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 3qiz

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id3qiz
Deposition date deposition_date2011-01-28
Structure title titleCrystal Structure of BoNT/A LC complexed with Hydroxamate-based Inhibitor PT-2
Keywords keywordsBotulinum, BONT, Neurotoxin, Toxin, Hydroxamate, Inhibitor, metalloprotease, protease, HYDROLASE-HYDROLASE INHIBITOR complex; HYDROLASE/HYDROLASE INHIBITOR
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier22.47
Radius of gyration Rg (electron density) rg_electron21.32
Forward intensity I(0) i033401700.00
Molecular weight molecular_weight46250.0 kDa
Excluded volume excluded_volume58542 ų
Envelope volume envelope_volume67742 ų
Hydration-shell volume shell_volume25807 ų
Envelope diameter envelope_diameter72.8
Shell Rg shell_rg28.68
Envelope Rg envelope_rg21.68
Shape Rg shape_rg21.29
Total Rg total_rg22.32
Total atoms total_atoms3270
Residues n_residues399
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 dmax71.8
Rg (real space) rg_real22.37
Rg uncertainty (real space) rg_real_error0.37
I(0) (real space) i0_real3.3400e+07
I(0) uncertainty (real space) i0_real_error3.9550e+05
Rg (reciprocal space) rg_reciprocal22.39
I(0) (reciprocal space) i0_reciprocal33400000.0000
Solution quality estimate total_estimate0.7397
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary28.3
Skewness Skewness skewness0.227
Kurtosis Kurtosis kurtosis-0.358
Angular range angular_range— – 0.3550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha9203000.0000
Real-space data points n_real_points67
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.880; Stabil: 1.000; Sysdev: 0.328; Positv: 1.000; Valcen: 0.994; Smooth: 0.994

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd3qiza1
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.92.1.7 — Clostridium neurotoxins, catalytic domain
Domain ID domain_idd3qiza2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (1 domains)

Domain ID domain_id3qizA00
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology1240 — Zincin-like
Homologous superfamily homologous superfamily10 — Metalloproteases ("zincins"), catalytic domain like

8. Citations (1)

9. Files and Curves (10)